jannik/c3lingo-interpreter-unit
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c3lingo-interpreter-unit/schematics/mixer/c3lingo-interpreter-unit.sch
Jannik Beyerstedt d8e0d7cb9f Main: Summing design flaw fixed; better headphone vol. range 
- Multiple R and C value adaptions
- Line Input: No relevant difference between INA134 and own circuit -> LM833 chosen
- Signal busses/ summing module inputs fixed
- TODO: On-Air Button
- TODO: Update PCB layout
2020-12-13 22:02:02 +01:00

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title "c3lingo interpeter unit"
Date "2020-12-06"
Rev "v0.2"
Comp "Jannik Beyerstedt"
Comment1 "Prototyping Modules Rev2"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:XLR3_Ground J2
U 1 1 5F81A769
P 900 1900
F 0 "J2" H 900 2265 50 0000 C CNN
F 1 "Mic 1" H 900 2174 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 900 1900 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/nc3fd-lx.pdf" H 900 1900 50 0001 C CNN
F 4 "XLR (female)" H 900 1900 50 0001 C CNN "Model"
1 900 1900
1 0 0 -1
$EndComp
$Comp
L Connector:XLR3_AudioJack3_Combo_Ground J4
U 2 1 5F81B01C
P 850 8850
F 0 "J4" H 850 9215 50 0000 C CNN
F 1 "Stage Line-In" H 850 9124 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 850 8850 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/ncj6fa-h.pdf" H 850 8850 50 0001 C CNN
F 4 "Combo XLR + 6.3 mm Jack" H 850 8850 50 0001 C CNN "Model"
2 850 8850
1 0 0 -1
$EndComp
$Comp
L Connector:AudioJack3_Ground J1
U 1 1 5F821533
P 15750 1950
F 0 "J1" H 15750 2300 50 0000 R CNN
F 1 "Headphone 1" H 15950 2200 50 0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 15750 1950 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/nj3fp6c.pdf" H 15750 1950 50 0001 C CNN
F 4 "6.3 mm Jack (female)" H 15750 1950 50 0001 C CNN "Model"
1 15750 1950
-1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR08
U 1 1 5F830544
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F 0 "#PWR08" H 700 2050 50 0001 C CNN
F 1 "GNDREF" H 705 2127 50 0000 C CNN
F 2 "" H 700 2300 50 0001 C CNN
F 3 "" H 700 2300 50 0001 C CNN
1 700 2300
1 0 0 -1
$EndComp
$Comp
L Device:R R1
U 1 1 5F83A5E0
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F 1 "1K 1%" V 1634 1500 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 1680 1500 50 0001 C CNN
F 3 "~" H 1750 1500 50 0001 C CNN
1 1750 1500
0 1 1 0
$EndComp
$Comp
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U 1 1 5F83C638
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F 0 "R6" V 5043 2000 50 0000 C CNN
F 1 "1.5K" V 5134 2000 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5180 2000 50 0001 C CNN
F 3 "~" H 5250 2000 50 0001 C CNN
1 5250 2000
0 1 1 0
$EndComp
$Comp
L Device:R R11
U 1 1 5F83D91E
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F 0 "R11" V 2993 2500 50 0000 C CNN
F 1 "330K 1%" V 3084 2500 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3130 2500 50 0001 C CNN
F 3 "~" H 3200 2500 50 0001 C CNN
1 3200 2500
0 1 1 0
$EndComp
$Comp
L Device:R R5
U 1 1 5F83F337
P 2000 2000
F 0 "R5" H 2070 2046 50 0000 L CNN
F 1 "27K 1%" H 2070 1955 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 1930 2000 50 0001 C CNN
F 3 "~" H 2000 2000 50 0001 C CNN
1 2000 2000
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR01
U 1 1 5F84163B
P 2400 3000
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F 1 "+15V" H 2415 3173 50 0000 C CNN
F 2 "" H 2400 3000 50 0001 C CNN
F 3 "" H 2400 3000 50 0001 C CNN
1 2400 3000
1 0 0 -1
$EndComp
$Comp
L Device:R R2
U 1 1 5F84960A
P 3200 1500
F 0 "R2" V 2993 1500 50 0000 C CNN
F 1 "330K 1%" V 3084 1500 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3130 1500 50 0001 C CNN
F 3 "~" H 3200 1500 50 0001 C CNN
1 3200 1500
0 1 1 0
$EndComp
Wire Wire Line
3050 2000 3600 2000
Wire Wire Line
3600 2000 3600 1500
Wire Wire Line
3600 1500 3350 1500
Wire Wire Line
3050 1500 2400 1500
Wire Wire Line
3050 2500 2400 2500
Wire Wire Line
2000 1850 2000 1800
Wire Wire Line
2000 1800 2400 1800
Wire Wire Line
2400 1800 2400 1900
Wire Wire Line
2400 1900 2450 1900
Wire Wire Line
2450 2100 2400 2100
Wire Wire Line
2400 2100 2400 2200
Wire Wire Line
2400 2200 2000 2200
Wire Wire Line
2000 2200 2000 2150
Wire Wire Line
2400 1800 2400 1500
Connection ~ 2400 1800
Connection ~ 2400 1500
Wire Wire Line
2400 1500 1900 1500
Wire Wire Line
2400 2200 2400 2500
Connection ~ 2400 2200
Connection ~ 2400 2500
Wire Wire Line
2400 2500 1900 2500
Wire Wire Line
3350 2500 3600 2500
Wire Wire Line
3600 2500 3600 2600
Wire Wire Line
2650 3000 2800 3000
$Comp
L Device:CP C9
U 1 1 5F8514CB
P 3250 3300
F 0 "C9" V 2995 3300 50 0000 C CNN
F 1 "100uF" V 3086 3300 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 3288 3150 50 0001 C CNN
F 3 "~" H 3250 3300 50 0001 C CNN
F 4 "25V" H 3250 3300 50 0001 C CNN "Model"
1 3250 3300
0 -1 1 0
$EndComp
$Comp
L Device:C C8
U 1 1 5F8504A1
P 2950 3000
F 0 "C8" V 2698 3000 50 0000 C CNN
F 1 "100nF" V 2789 3000 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 2988 2850 50 0001 C CNN
F 3 "~" H 2950 3000 50 0001 C CNN
1 2950 3000
0 -1 1 0
$EndComp
$Comp
L power:GNDREF #PWR012
U 1 1 5F84F240
P 3700 3200
F 0 "#PWR012" H 3700 2950 50 0001 C CNN
F 1 "GNDREF" H 3705 3027 50 0000 C CNN
F 2 "" H 3700 3200 50 0001 C CNN
F 3 "" H 3700 3200 50 0001 C CNN
1 3700 3200
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR09
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P 3600 2600
F 0 "#PWR09" H 3600 2350 50 0001 C CNN
F 1 "GNDREF" H 3605 2427 50 0000 C CNN
F 2 "" H 3600 2600 50 0001 C CNN
F 3 "" H 3600 2600 50 0001 C CNN
1 3600 2600
1 0 0 -1
$EndComp
$Comp
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F 1 "-15V" H 2415 973 50 0000 C CNN
F 2 "" H 2400 800 50 0001 C CNN
F 3 "" H 2400 800 50 0001 C CNN
1 2400 800
1 0 0 -1
$EndComp
$Comp
L Device:C C2
U 1 1 5F862FE2
P 2950 1100
F 0 "C2" V 2698 1100 50 0000 C CNN
F 1 "100nF" V 2789 1100 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 2988 950 50 0001 C CNN
F 3 "~" H 2950 1100 50 0001 C CNN
1 2950 1100
0 1 1 0
$EndComp
$Comp
L power:GNDREF #PWR04
U 1 1 5F8640B0
P 3700 1000
F 0 "#PWR04" H 3700 750 50 0001 C CNN
F 1 "GNDREF" H 3705 827 50 0000 C CNN
F 2 "" H 3700 1000 50 0001 C CNN
F 3 "" H 3700 1000 50 0001 C CNN
1 3700 1000
1 0 0 -1
$EndComp
$Comp
L Device:CP C6
U 1 1 5F864500
P 3850 2000
F 0 "C6" V 4105 2000 50 0000 C CNN
F 1 "1uF" V 4014 2000 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.00mm" H 3888 1850 50 0001 C CNN
F 3 "~" H 3850 2000 50 0001 C CNN
F 4 "16V low ESR electrolytic // plastic film" H 3850 2000 50 0001 C CNN "Model"
1 3850 2000
0 -1 -1 0
$EndComp
$Comp
L Device:R R7
U 1 1 5F86655E
P 4100 2250
F 0 "R7" H 4030 2204 50 0000 R CNN
F 1 "470R" H 4030 2295 50 0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4030 2250 50 0001 C CNN
F 3 "~" H 4100 2250 50 0001 C CNN
1 4100 2250
-1 0 0 1
$EndComp
Wire Wire Line
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Connection ~ 3600 2000
Wire Wire Line
4100 2000 4100 2100
Wire Wire Line
4100 2400 4100 2500
Wire Wire Line
4100 2500 3600 2500
Connection ~ 3600 2500
Wire Wire Line
1500 1900 1500 1500
Wire Wire Line
1500 1500 1600 1500
Wire Wire Line
2650 2300 2650 3000
Wire Wire Line
2650 1100 2800 1100
Wire Wire Line
2650 800 3100 800
Wire Wire Line
3400 800 3500 800
Wire Wire Line
3500 1100 3100 1100
Wire Wire Line
2650 3000 2650 3150
Wire Wire Line
2650 3300 3100 3300
Connection ~ 2650 3000
Wire Wire Line
3400 3300 3500 3300
Wire Wire Line
3500 3300 3500 3150
Wire Wire Line
3100 3000 3500 3000
Wire Wire Line
2650 3150 2400 3150
Wire Wire Line
2400 3150 2400 3000
Connection ~ 2650 3150
Wire Wire Line
2650 3150 2650 3300
Wire Wire Line
3500 3150 3700 3150
Wire Wire Line
3700 3150 3700 3200
Connection ~ 3500 3150
Wire Wire Line
3500 3150 3500 3000
Wire Wire Line
3500 800 3500 950
Wire Wire Line
3500 950 3700 950
Wire Wire Line
3700 950 3700 1000
Connection ~ 3500 950
Wire Wire Line
3500 950 3500 1100
$Comp
L Device:CP C1
U 1 1 5F863B13
P 3250 800
F 0 "C1" V 3505 800 50 0000 C CNN
F 1 "100uF" V 3414 800 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 3288 650 50 0001 C CNN
F 3 "~" H 3250 800 50 0001 C CNN
F 4 "25V" H 3250 800 50 0001 C CNN "Model"
1 3250 800
0 1 -1 0
$EndComp
Text Notes 1500 3000 0 50 ~ 10
Mic Preamp\nGain: 50 dB
$Comp
L power:GNDREF #PWR019
U 1 1 5F8EECF1
P 1400 9350
F 0 "#PWR019" H 1400 9100 50 0001 C CNN
F 1 "GNDREF" H 1405 9177 50 0000 C CNN
F 2 "" H 1400 9350 50 0001 C CNN
F 3 "" H 1400 9350 50 0001 C CNN
1 1400 9350
1 0 0 -1
$EndComp
Wire Wire Line
1300 9150 1400 9150
Wire Wire Line
1200 8950 1200 8350
Wire Wire Line
1200 8350 1900 8350
Wire Wire Line
1600 9150 1600 9250
Wire Wire Line
1100 9250 1100 8850
Connection ~ 1400 9150
Wire Wire Line
1400 9150 1500 9150
Wire Wire Line
15550 1850 15500 1850
$Comp
L power:GNDREF #PWR07
U 1 1 5F923283
P 15750 2400
F 0 "#PWR07" H 15750 2150 50 0001 C CNN
F 1 "GNDREF" H 15755 2227 50 0000 C CNN
F 2 "" H 15750 2400 50 0001 C CNN
F 3 "" H 15750 2400 50 0001 C CNN
1 15750 2400
1 0 0 -1
$EndComp
Text Notes 5000 3000 0 50 ~ 10
Adjustable Input Gain\nGain: -15 to 30 dB
$Comp
L Amplifier_Operational:NE5534 U2
U 1 1 5F80D909
P 2750 2000
F 0 "U2" H 3094 2046 50 0000 L CNN
F 1 "NE5534" H 3094 1955 50 0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 2800 2050 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/ne5534.pdf" H 2800 2150 50 0001 C CNN
1 2750 2000
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:LM358 U4
U 1 1 5F810C7D
P 3900 9000
F 0 "U4" H 3900 8633 50 0000 C CNN
F 1 "LM833N" H 3900 8724 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 3900 9000 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 3900 9000 50 0001 C CNN
1 3900 9000
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:LM358 U4
U 2 1 5F926E3F
P 6500 9200
F 0 "U4" H 6500 8833 50 0000 C CNN
F 1 "LM833N" H 6500 8924 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 6500 9200 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 6500 9200 50 0001 C CNN
2 6500 9200
1 0 0 1
$EndComp
Text Notes 4500 10150 0 50 ~ 10
Input Module\nGain: -6 to +8 dB\nGain = (R_pot + R_22k) / R_47k\nLP_filter(R_pot): 130 - 22 kHz
$Comp
L Device:C C14
U 1 1 5FA035F7
P 5350 8500
F 0 "C14" V 5098 8500 50 0000 C CNN
F 1 "47pF" V 5189 8500 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 5388 8350 50 0001 C CNN
F 3 "~" H 5350 8500 50 0001 C CNN
1 5350 8500
0 1 1 0
$EndComp
$Comp
L Device:R R18
U 1 1 5FA03CB6
P 3250 8750
F 0 "R18" V 3043 8750 50 0000 C CNN
F 1 "10K" V 3134 8750 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3180 8750 50 0001 C CNN
F 3 "~" H 3250 8750 50 0001 C CNN
1 3250 8750
0 1 1 0
$EndComp
$Comp
L Device:R R21
U 1 1 5FA17C1B
P 3250 9250
F 0 "R21" V 3365 9250 50 0000 C CNN
F 1 "10K" V 3456 9250 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3180 9250 50 0001 C CNN
F 3 "~" H 3250 9250 50 0001 C CNN
1 3250 9250
0 1 1 0
$EndComp
$Comp
L Device:R R17
U 1 1 5FA193EC
P 3950 8450
F 0 "R17" V 3743 8450 50 0000 C CNN
F 1 "10K" V 3834 8450 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3880 8450 50 0001 C CNN
F 3 "~" H 3950 8450 50 0001 C CNN
1 3950 8450
0 1 1 0
$EndComp
$Comp
L Device:R R23
U 1 1 5FA1F9D1
P 3500 9450
F 0 "R23" H 3570 9496 50 0000 L CNN
F 1 "10K" H 3570 9405 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 3430 9450 50 0001 C CNN
F 3 "~" H 3500 9450 50 0001 C CNN
1 3500 9450
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR022
U 1 1 5FA228C1
P 3500 9600
F 0 "#PWR022" H 3500 9350 50 0001 C CNN
F 1 "GNDREF" H 3505 9427 50 0000 C CNN
F 2 "" H 3500 9600 50 0001 C CNN
F 3 "" H 3500 9600 50 0001 C CNN
1 3500 9600
1 0 0 -1
$EndComp
Wire Wire Line
3400 9250 3500 9250
Wire Wire Line
3500 9100 3600 9100
Wire Wire Line
3400 8750 3500 8750
Wire Wire Line
3500 8900 3600 8900
Wire Wire Line
3500 8450 3800 8450
Wire Wire Line
4100 8450 4300 8450
Wire Wire Line
4300 8450 4300 9000
Wire Wire Line
4300 9000 4200 9000
Wire Wire Line
1400 9150 1400 9350
$Comp
L Device:R R10
U 1 1 5F84095A
P 1750 2500
F 0 "R10" V 1543 2500 50 0000 C CNN
F 1 "1K 1%" V 1634 2500 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 1680 2500 50 0001 C CNN
F 3 "~" H 1750 2500 50 0001 C CNN
1 1750 2500
0 1 1 0
$EndComp
Wire Wire Line
1500 2500 1600 2500
Wire Wire Line
900 2200 900 2300
Wire Wire Line
1500 2300 1500 2500
$Comp
L Device:R R20
U 1 1 5FAA4C23
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F 0 "R20" V 4543 9000 50 0000 C CNN
F 1 "47K" V 4634 9000 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4680 9000 50 0001 C CNN
F 3 "~" H 4750 9000 50 0001 C CNN
1 4750 9000
0 1 1 0
$EndComp
Wire Wire Line
1200 1900 1500 1900
Wire Wire Line
900 2300 1500 2300
$Comp
L Device:R R19
U 1 1 5FAC6B3E
P 5350 8900
F 0 "R19" V 5143 8900 50 0000 C CNN
F 1 "22K" V 5234 8900 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5280 8900 50 0001 C CNN
F 3 "~" H 5350 8900 50 0001 C CNN
1 5350 8900
0 1 1 0
$EndComp
$Comp
L Device:R_POT RV1
U 1 1 5FAC97E9
P 5750 8900
F 0 "RV1" V 5635 8900 50 0000 C CNN
F 1 "100K" V 5544 8900 50 0000 C CNN
F 2 "Potentiometer_THT:Potentiometer_Vishay_T73XX_Horizontal" H 5750 8900 50 0001 C CNN
F 3 "https://www.vishay.com/docs/57028/64.pdf" H 5750 8900 50 0001 C CNN
F 4 "Vishay M64{Y,Z}104" H 5750 8900 50 0001 C CNN "Model"
1 5750 8900
0 -1 -1 0
$EndComp
Wire Wire Line
5100 8900 5200 8900
Wire Wire Line
5100 8900 5100 8500
Wire Wire Line
5100 8500 5200 8500
Connection ~ 5100 8900
Wire Wire Line
5750 8750 5750 8650
Wire Wire Line
5750 8650 5850 8650
Wire Wire Line
5850 8650 5850 8500
Wire Wire Line
5850 8500 5500 8500
Wire Wire Line
5500 8900 5600 8900
$Comp
L power:GNDREF #PWR020
U 1 1 5FAF156D
P 6100 9500
F 0 "#PWR020" H 6100 9250 50 0001 C CNN
F 1 "GNDREF" H 6105 9327 50 0000 C CNN
F 2 "" H 6100 9500 50 0001 C CNN
F 3 "" H 6100 9500 50 0001 C CNN
1 6100 9500
1 0 0 -1
$EndComp
Wire Wire Line
6900 8650 6900 9000
Wire Wire Line
6900 9200 6800 9200
Wire Wire Line
6200 9300 6100 9300
Wire Wire Line
6100 9300 6100 9500
Wire Wire Line
6000 9100 6000 9200
Connection ~ 5850 8650
Wire Wire Line
5100 8900 5100 9000
Connection ~ 4300 9000
Connection ~ 6900 9000
Wire Wire Line
6900 9000 6900 9200
Text GLabel 7250 9000 2 50 Output ~ 0
Stage
Text GLabel 8000 2000 2 50 Output ~ 0
Mic1
Wire Wire Line
6000 9100 6200 9100
Wire Wire Line
5850 8650 6900 8650
$Comp
L power:GNDREF #PWR06
U 1 1 5FFAA880
P 7800 3300
F 0 "#PWR06" H 7800 3050 50 0001 C CNN
F 1 "GNDREF" H 7805 3127 50 0000 C CNN
F 2 "" H 7800 3300 50 0001 C CNN
F 3 "" H 7800 3300 50 0001 C CNN
1 7800 3300
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR05
U 1 1 5FFAA886
P 7000 3300
F 0 "#PWR05" H 7000 3050 50 0001 C CNN
F 1 "GNDREF" H 7005 3127 50 0000 C CNN
F 2 "" H 7000 3300 50 0001 C CNN
F 3 "" H 7000 3300 50 0001 C CNN
1 7000 3300
1 0 0 -1
$EndComp
$Comp
L Device:C C4
U 1 1 5FFAA88C
P 7000 3150
F 0 "C4" H 6885 3104 50 0000 R CNN
F 1 "100nF" H 6885 3195 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 7038 3000 50 0001 C CNN
F 3 "~" H 7000 3150 50 0001 C CNN
1 7000 3150
-1 0 0 1
$EndComp
$Comp
L Device:C C5
U 1 1 5FFAA892
P 7800 3150
F 0 "C5" H 7685 3104 50 0000 R CNN
F 1 "100nF" H 7685 3195 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 7838 3000 50 0001 C CNN
F 3 "~" H 7800 3150 50 0001 C CNN
1 7800 3150
-1 0 0 1
$EndComp
Connection ~ 7800 2900
Wire Wire Line
7800 2900 7800 3000
Wire Wire Line
7800 2900 7800 2800
Wire Wire Line
7700 2900 7800 2900
$Comp
L power:+15V #PWR03
U 1 1 5FFAA8A0
P 7800 2800
F 0 "#PWR03" H 7800 2650 50 0001 C CNN
F 1 "+15V" H 7815 2973 50 0000 C CNN
F 2 "" H 7800 2800 50 0001 C CNN
F 3 "" H 7800 2800 50 0001 C CNN
1 7800 2800
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR02
U 1 1 5FFAA8A6
P 7000 2800
F 0 "#PWR02" H 7000 2900 50 0001 C CNN
F 1 "-15V" H 7015 2973 50 0000 C CNN
F 2 "" H 7000 2800 50 0001 C CNN
F 3 "" H 7000 2800 50 0001 C CNN
1 7000 2800
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U1
U 3 1 5FFAA8AC
P 7400 3000
F 0 "U1" V 7075 3000 50 0000 C CNN
F 1 "LM833N" V 7166 3000 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 7400 3000 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 7400 3000 50 0001 C CNN
3 7400 3000
0 1 1 0
$EndComp
Text Notes 13500 3000 0 50 ~ 10
Headphone driver\nGain: 26 dB (20)
$Comp
L Device:CP C7
U 1 1 5FFF6761
P 13250 2650
F 0 "C7" V 13505 2650 50 0000 C CNN
F 1 "1uF" V 13414 2650 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.00mm" H 13288 2500 50 0001 C CNN
F 3 "~" H 13250 2650 50 0001 C CNN
F 4 "16V low ESR electrolytic // plastic film" H 13250 2650 50 0001 C CNN "Model"
1 13250 2650
0 -1 -1 0
$EndComp
Wire Wire Line
1050 8950 1200 8950
Wire Wire Line
1050 8750 1300 8750
Wire Wire Line
1100 8850 1050 8850
$Comp
L Connector:XLR3_AudioJack3_Combo_Ground J4
U 1 1 5F81E1F3
P 1600 8850
F 0 "J4" H 1600 9215 50 0000 C CNN
F 1 "Stage Line-In" H 1600 9124 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 1600 8850 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/ncj6fa-h.pdf" H 1600 8850 50 0001 C CNN
F 4 "Combo XLR + 6.3 mm Jack" H 1600 8850 50 0001 C CNN "Model"
1 1600 8850
1 0 0 -1
$EndComp
Wire Wire Line
1300 8750 1300 8850
Connection ~ 1300 8850
Wire Wire Line
1300 8850 1300 9150
$Comp
L Connector:Conn_01x03_Male J5
U 1 1 602993B3
P 1450 10750
F 0 "J5" H 1558 11031 50 0000 C CNN
F 1 "PowerSupply" H 1558 10940 50 0000 C CNN
F 2 "TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type073_RT02603HBLU_1x03_P5.08mm_Horizontal" H 1450 10750 50 0001 C CNN
F 3 "" H 1450 10750 50 0001 C CNN
1 1450 10750
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR028
U 1 1 602A0CDE
P 2150 10850
F 0 "#PWR028" H 2150 10600 50 0001 C CNN
F 1 "GNDREF" H 2155 10677 50 0000 C CNN
F 2 "" H 2150 10850 50 0001 C CNN
F 3 "" H 2150 10850 50 0001 C CNN
1 2150 10850
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR027
U 1 1 602B7044
P 1850 10550
F 0 "#PWR027" H 1850 10400 50 0001 C CNN
F 1 "+15V" H 1865 10723 50 0000 C CNN
F 2 "" H 1850 10550 50 0001 C CNN
F 3 "" H 1850 10550 50 0001 C CNN
1 1850 10550
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR029
U 1 1 602B7D59
P 1850 10950
F 0 "#PWR029" H 1850 11050 50 0001 C CNN
F 1 "-15V" H 1865 11123 50 0000 C CNN
F 2 "" H 1850 10950 50 0001 C CNN
F 3 "" H 1850 10950 50 0001 C CNN
1 1850 10950
-1 0 0 1
$EndComp
Wire Wire Line
1650 10850 1850 10850
Wire Wire Line
1850 10850 1850 10950
Wire Wire Line
1650 10650 1850 10650
Wire Wire Line
1850 10650 1850 10550
Wire Wire Line
2150 10750 2150 10850
NoConn ~ 5900 8900
NoConn ~ 2750 2300
NoConn ~ 2750 1700
Wire Wire Line
1650 10750 2150 10750
$Comp
L power:GNDREF #PWR035
U 1 1 609E4DD0
P 14800 2700
F 0 "#PWR035" H 14800 2450 50 0001 C CNN
F 1 "GNDREF" H 14805 2527 50 0000 C CNN
F 2 "" H 14800 2700 50 0001 C CNN
F 3 "" H 14800 2700 50 0001 C CNN
1 14800 2700
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U1
U 1 1 60A8F329
P 5900 2250
F 0 "U1" H 5900 1883 50 0000 C CNN
F 1 "LM833N" H 5900 1974 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 5900 2250 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 5900 2250 50 0001 C CNN
1 5900 2250
1 0 0 1
$EndComp
$Comp
L power:GNDREF #PWR0111
U 1 1 60BBC462
P 5500 2550
F 0 "#PWR0111" H 5500 2300 50 0001 C CNN
F 1 "GNDREF" H 5505 2377 50 0000 C CNN
F 2 "" H 5500 2550 50 0001 C CNN
F 3 "" H 5500 2550 50 0001 C CNN
1 5500 2550
1 0 0 -1
$EndComp
Wire Wire Line
5500 2150 5600 2150
Wire Wire Line
5600 2350 5500 2350
Wire Wire Line
5500 2350 5500 2550
Wire Wire Line
5500 2000 5500 2150
$Comp
L Switch:SW_SPST_LED SW2
U 1 1 60D16A9A
P 7000 1050
F 0 "SW2" H 7000 1385 50 0000 C CNN
F 1 "OnAir_1" H 7000 1294 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 7000 1350 50 0001 C CNN
F 3 "https://sten-eswitch-13110800-production.s3.amazonaws.com/system/asset/product_line/data_sheet/38/LP11.pdf" H 7000 1350 50 0001 C CNN
F 4 "E-Switch TODO" H 7000 1050 50 0001 C CNN "Model"
1 7000 1050
1 0 0 -1
$EndComp
Connection ~ 5500 2000
Wire Wire Line
6400 2250 6200 2250
NoConn ~ 6300 1550
$Comp
L Switch:SW_Push SW1
U 1 1 60D151FD
P 5950 750
F 0 "SW1" H 5950 965 50 0000 C CNN
F 1 "Mute_1" H 5950 874 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 5950 950 50 0001 C CNN
F 3 "~" H 5950 950 50 0001 C CNN
1 5950 750
1 0 0 -1
$EndComp
Wire Wire Line
5500 1550 5500 2000
Wire Wire Line
6150 1150 6150 1300
Wire Wire Line
5900 1150 6150 1150
Wire Wire Line
5900 1550 6000 1550
Connection ~ 5500 1550
Wire Wire Line
5500 1150 5500 1550
Wire Wire Line
5500 1150 5600 1150
Wire Wire Line
5600 1550 5500 1550
$Comp
L Device:R_POT RV11
U 1 1 60B0D55A
P 6150 1550
F 0 "RV11" V 6035 1550 50 0000 C CNN
F 1 "50K log." V 5944 1550 50 0000 C CNN
F 2 "JBeyerstedt-Library:Potentiometer_Alps_RK11K_Single_Horizontal" V 6080 1550 50 0001 C CNN
F 3 "https://tech.alpsalpine.com/prod/e/pdf/potentiometer/rotarypotentiometers/rk11k11/rk11k11.pdf" H 6150 1550 50 0001 C CNN
F 4 "Alps RK11K1120-A503" H 6150 1550 50 0001 C CNN "Model"
1 6150 1550
0 -1 -1 0
$EndComp
$Comp
L Device:R R26
U 1 1 60AAAB08
P 5750 1550
F 0 "R26" V 5543 1550 50 0000 C CNN
F 1 "270R" V 5634 1550 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 5680 1550 50 0001 C CNN
F 3 "~" H 5750 1550 50 0001 C CNN
1 5750 1550
0 1 1 0
$EndComp
$Comp
L Device:C C25
U 1 1 60AA92C3
P 5750 1150
F 0 "C25" V 5498 1150 50 0000 C CNN
F 1 "100nF" V 5589 1150 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 5788 1000 50 0001 C CNN
F 3 "~" H 5750 1150 50 0001 C CNN
1 5750 1150
0 1 1 0
$EndComp
Text Notes 6600 1450 0 50 ~ 0
TODO: On-Air button LEDs\n(actually one rd, one gn,\nwith common anode)
Wire Wire Line
6400 750 6150 750
Wire Wire Line
5750 750 5500 750
Wire Wire Line
5500 750 5500 1150
Connection ~ 5500 1150
Wire Wire Line
6400 750 6400 1300
Wire Wire Line
6150 1300 6400 1300
Connection ~ 6150 1300
Wire Wire Line
6150 1300 6150 1400
Connection ~ 6400 1300
Wire Wire Line
6400 1300 6400 2250
Connection ~ 1900 8850
Wire Wire Line
2000 8850 1900 8850
Connection ~ 1600 9250
NoConn ~ 2850 1700
Wire Wire Line
7000 2800 7000 2900
Wire Wire Line
7100 2900 7000 2900
Connection ~ 7000 2900
Wire Wire Line
7000 2900 7000 3000
Wire Wire Line
2650 1700 2650 1100
Connection ~ 2650 1100
Wire Wire Line
2650 800 2650 950
Wire Wire Line
2400 800 2400 950
Wire Wire Line
2400 950 2650 950
Connection ~ 2650 950
Wire Wire Line
2650 950 2650 1100
Wire Wire Line
600 2250 700 2250
Wire Wire Line
700 2250 700 2300
Wire Wire Line
800 2200 800 2250
Wire Wire Line
800 2250 700 2250
Connection ~ 700 2250
Wire Wire Line
600 2250 600 1900
Text Notes 3750 1650 0 50 ~ 0
HP Filter 350 Hz\nf_c = 1/(2*PI*R*C)
Wire Wire Line
5400 2000 5500 2000
$Comp
L Device:C C26
U 1 1 5FB69AC8
P 14800 2250
F 0 "C26" H 14915 2296 50 0000 L CNN
F 1 "47nF" H 14915 2205 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 14838 2100 50 0001 C CNN
F 3 "~" H 14800 2250 50 0001 C CNN
1 14800 2250
1 0 0 -1
$EndComp
$Comp
L Device:CP C24
U 1 1 5FB6C2ED
P 15050 2000
F 0 "C24" V 15305 2000 50 0000 C CNN
F 1 "220uF" V 15214 2000 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" H 15088 1850 50 0001 C CNN
F 3 "~" H 15050 2000 50 0001 C CNN
F 4 "16V low ESR" H 15050 2000 50 0001 C CNN "Model"
1 15050 2000
0 -1 -1 0
$EndComp
$Comp
L Device:R R25
U 1 1 5FB6DC67
P 14800 2550
F 0 "R25" H 14870 2596 50 0000 L CNN
F 1 "12R" H 14870 2505 50 0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 14730 2550 50 0001 C CNN
F 3 "~" H 14800 2550 50 0001 C CNN
1 14800 2550
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR0112
U 1 1 5FB9C332
P 13900 700
F 0 "#PWR0112" H 13900 550 50 0001 C CNN
F 1 "+15V" H 13915 873 50 0000 C CNN
F 2 "" H 13900 700 50 0001 C CNN
F 3 "" H 13900 700 50 0001 C CNN
1 13900 700
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR0113
U 1 1 5FB9DA2E
P 13900 2500
F 0 "#PWR0113" H 13900 2250 50 0001 C CNN
F 1 "GNDREF" H 13905 2327 50 0000 C CNN
F 2 "" H 13900 2500 50 0001 C CNN
F 3 "" H 13900 2500 50 0001 C CNN
1 13900 2500
1 0 0 -1
$EndComp
$Comp
L Device:R_POT RV19
U 1 1 5FBA2B4E
P 12850 2650
F 0 "RV19" H 12781 2604 50 0000 R CNN
F 1 "50K log." H 12781 2695 50 0000 R CNN
F 2 "JBeyerstedt-Library:Potentiometer_Alps_RK11K_Single_Horizontal" H 12850 2650 50 0001 C CNN
F 3 "https://tech.alpsalpine.com/prod/e/pdf/potentiometer/rotarypotentiometers/rk11k11/rk11k11.pdf" H 12850 2650 50 0001 C CNN
F 4 "Alps RK11K1120-A503" H 12850 2650 50 0001 C CNN "Model"
1 12850 2650
1 0 0 1
$EndComp
Wire Wire Line
12850 2400 12850 2500
$Comp
L power:GNDREF #PWR0114
U 1 1 5FBBA57F
P 12850 3300
F 0 "#PWR0114" H 12850 3050 50 0001 C CNN
F 1 "GNDREF" H 12855 3127 50 0000 C CNN
F 2 "" H 12850 3300 50 0001 C CNN
F 3 "" H 12850 3300 50 0001 C CNN
1 12850 3300
1 0 0 -1
$EndComp
Wire Wire Line
12850 2800 12850 2900
Wire Wire Line
13900 2300 13900 2400
Wire Wire Line
13700 1900 13500 1900
Wire Wire Line
13700 2100 13700 2400
Wire Wire Line
13700 2400 13900 2400
Connection ~ 13900 2400
Wire Wire Line
13900 2400 13900 2500
Wire Wire Line
14900 2000 14800 2000
Wire Wire Line
14800 2000 14800 2100
Wire Wire Line
14800 2000 14300 2000
Connection ~ 14800 2000
$Comp
L Device:CP C23
U 1 1 5FD130B1
P 14150 1550
F 0 "C23" V 14405 1550 50 0000 C CNN
F 1 "100uF" V 14314 1550 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 14188 1400 50 0001 C CNN
F 3 "~" H 14150 1550 50 0001 C CNN
F 4 "25V" H 14150 1550 50 0001 C CNN "Model"
1 14150 1550
0 -1 -1 0
$EndComp
Wire Wire Line
8000 2000 7950 2000
Wire Wire Line
7700 2000 7700 2250
Connection ~ 6400 2250
$Comp
L Device:R R24
U 1 1 5FE4A41D
P 12850 2250
F 0 "R24" H 12780 2296 50 0000 R CNN
F 1 "330K" H 12780 2205 50 0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 12780 2250 50 0001 C CNN
F 3 "~" H 12850 2250 50 0001 C CNN
1 12850 2250
-1 0 0 -1
$EndComp
Wire Wire Line
12850 2000 12850 2100
$Comp
L Device:C C22
U 1 1 5FF934F9
P 14150 1100
F 0 "C22" V 13898 1100 50 0000 C CNN
F 1 "100nF" V 13989 1100 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 14188 950 50 0001 C CNN
F 3 "~" H 14150 1100 50 0001 C CNN
1 14150 1100
0 1 1 0
$EndComp
$Comp
L Device:CP C21
U 1 1 60184128
P 14450 800
F 0 "C21" V 14195 800 50 0000 C CNN
F 1 "100uF" V 14286 800 50 0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 14488 650 50 0001 C CNN
F 3 "~" H 14450 800 50 0001 C CNN
F 4 "25V" H 14450 800 50 0001 C CNN "Model"
1 14450 800
0 -1 1 0
$EndComp
Wire Wire Line
13900 700 13900 800
Wire Wire Line
13900 800 14300 800
Wire Wire Line
13900 800 13900 1100
Wire Wire Line
13900 1100 14000 1100
Connection ~ 13900 800
Connection ~ 13900 1100
Wire Wire Line
14300 1100 14700 1100
Wire Wire Line
14700 1100 14700 950
Wire Wire Line
14700 800 14600 800
$Comp
L power:GNDREF #PWR0115
U 1 1 60200022
P 14900 1000
F 0 "#PWR0115" H 14900 750 50 0001 C CNN
F 1 "GNDREF" H 14905 827 50 0000 C CNN
F 2 "" H 14900 1000 50 0001 C CNN
F 3 "" H 14900 1000 50 0001 C CNN
1 14900 1000
1 0 0 -1
$EndComp
Wire Wire Line
14900 950 14900 1000
Wire Wire Line
14700 950 14900 950
Connection ~ 14700 950
Wire Wire Line
14700 950 14700 800
Wire Wire Line
13900 1100 13900 1700
$Comp
L power:GNDREF #PWR0116
U 1 1 5FCF788F
P 14300 1600
F 0 "#PWR0116" H 14300 1350 50 0001 C CNN
F 1 "GNDREF" H 14305 1427 50 0000 C CNN
F 2 "" H 14300 1600 50 0001 C CNN
F 3 "" H 14300 1600 50 0001 C CNN
1 14300 1600
1 0 0 -1
$EndComp
$Comp
L Amplifier_Audio:LM386 U7
U 1 1 5FB67AE3
P 14000 2000
F 0 "U7" H 14344 2046 50 0000 L CNN
F 1 "LM386N-4" H 14344 1955 50 0000 L CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 14100 2100 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm386.pdf" H 14200 2200 50 0001 C CNN
1 14000 2000
1 0 0 -1
$EndComp
Wire Wire Line
14300 1550 14300 1600
Wire Wire Line
14000 1550 14000 1700
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 602E81BB
P 1050 10650
F 0 "#FLG0101" H 1050 10725 50 0001 C CNN
F 1 "PWR_FLAG" H 1050 10823 50 0000 C CNN
F 2 "" H 1050 10650 50 0001 C CNN
F 3 "~" H 1050 10650 50 0001 C CNN
1 1050 10650
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 602E98DE
P 1050 10750
F 0 "#FLG0102" H 1050 10825 50 0001 C CNN
F 1 "PWR_FLAG" V 1050 10877 50 0000 L CNN
F 2 "" H 1050 10750 50 0001 C CNN
F 3 "~" H 1050 10750 50 0001 C CNN
1 1050 10750
0 -1 -1 0
$EndComp
$Comp
L power:PWR_FLAG #FLG0103
U 1 1 602EA47B
P 1050 10850
F 0 "#FLG0103" H 1050 10925 50 0001 C CNN
F 1 "PWR_FLAG" H 1050 11023 50 0000 C CNN
F 2 "" H 1050 10850 50 0001 C CNN
F 3 "~" H 1050 10850 50 0001 C CNN
1 1050 10850
-1 0 0 1
$EndComp
Wire Wire Line
1050 10650 1650 10650
Connection ~ 1650 10650
Wire Wire Line
1050 10750 1650 10750
Connection ~ 1650 10750
Wire Wire Line
1050 10850 1650 10850
Connection ~ 1650 10850
NoConn ~ 14000 2300
NoConn ~ 14100 2300
$Comp
L Connector:TestPoint TP1
U 1 1 5FAE2168
P 7950 2000
F 0 "TP1" H 7950 2325 50 0000 C CNN
F 1 "Mic1" H 7950 2234 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 8150 2000 50 0001 C CNN
F 3 "~" H 8150 2000 50 0001 C CNN
1 7950 2000
1 0 0 -1
$EndComp
Wire Wire Line
6400 2250 7700 2250
Connection ~ 7950 2000
$Comp
L Connector:TestPoint TP8
U 1 1 5FC8BE08
P 7200 9000
F 0 "TP8" H 7200 9325 50 0000 C CNN
F 1 "Stage" H 7200 9234 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 7400 9000 50 0001 C CNN
F 3 "~" H 7400 9000 50 0001 C CNN
1 7200 9000
1 0 0 -1
$EndComp
Connection ~ 7200 9000
Wire Wire Line
7200 9000 7250 9000
Wire Wire Line
13000 2650 13100 2650
Wire Wire Line
13400 2650 13500 2650
Text Notes 2250 10100 0 50 ~ 10
Balanced Line Input Converter\nGain: 1\n220pF for HF rolloff (20 kHz)
Wire Wire Line
4000 2000 4100 2000
$Comp
L Device:R R3
U 1 1 601CC821
P 2750 8750
F 0 "R3" V 2957 8750 50 0000 C CNN
F 1 "10K" V 2866 8750 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2680 8750 50 0001 C CNN
F 3 "~" H 2750 8750 50 0001 C CNN
1 2750 8750
0 -1 -1 0
$EndComp
$Comp
L Device:C C27
U 1 1 601CD9A5
P 3000 9000
F 0 "C27" H 3115 9046 50 0000 L CNN
F 1 "220pF" H 3115 8955 50 0000 L CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 3038 8850 50 0001 C CNN
F 3 "~" H 3000 9000 50 0001 C CNN
1 3000 9000
1 0 0 -1
$EndComp
$Comp
L Device:R R8
U 1 1 601CF7CB
P 2750 9250
F 0 "R8" V 2957 9250 50 0000 C CNN
F 1 "10K" V 2866 9250 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2680 9250 50 0001 C CNN
F 3 "~" H 2750 9250 50 0001 C CNN
1 2750 9250
0 -1 -1 0
$EndComp
$Comp
L Device:R R4
U 1 1 601D068B
P 2400 9000
F 0 "R4" H 2330 8954 50 0000 R CNN
F 1 "3.3K" H 2330 9045 50 0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2330 9000 50 0001 C CNN
F 3 "~" H 2400 9000 50 0001 C CNN
1 2400 9000
-1 0 0 1
$EndComp
Connection ~ 3500 8750
Wire Wire Line
3500 8750 3500 8450
Wire Wire Line
3500 8750 3500 8900
Connection ~ 3500 9250
Wire Wire Line
3500 9250 3500 9300
Wire Wire Line
3500 9100 3500 9250
Wire Wire Line
2400 8750 2400 8850
Wire Wire Line
2400 8750 2600 8750
Wire Wire Line
2400 9150 2400 9250
Wire Wire Line
2400 9250 2600 9250
Wire Wire Line
2900 9250 3000 9250
Wire Wire Line
3000 9250 3000 9150
Wire Wire Line
2900 8750 3000 8750
Wire Wire Line
3000 8750 3000 8850
Wire Wire Line
3000 8750 3100 8750
Connection ~ 3000 8750
Wire Wire Line
3000 9250 3100 9250
Connection ~ 3000 9250
Wire Wire Line
5100 9200 6000 9200
Wire Wire Line
4900 9000 5100 9000
Connection ~ 5100 9000
Wire Wire Line
5100 9000 5100 9200
Wire Wire Line
4100 2000 5100 2000
Connection ~ 4100 2000
Wire Wire Line
13500 1900 13500 2650
Wire Wire Line
7700 2000 7950 2000
Text Notes 14400 1500 0 50 ~ 0
TODO: C at pin 7 has\nno audible effect
$Comp
L Device:R R27
U 1 1 5FF18A7E
P 12850 3050
F 0 "R27" H 12780 3096 50 0000 R CNN
F 1 "2.2K" H 12780 3005 50 0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 12780 3050 50 0001 C CNN
F 3 "~" H 12850 3050 50 0001 C CNN
1 12850 3050
-1 0 0 -1
$EndComp
Wire Wire Line
12850 3200 12850 3300
Text Notes 650 1050 0 50 ~ 0
TODO: Add 15 V phantom power\nfor Superlux headset
Wire Wire Line
1100 9250 1600 9250
Wire Wire Line
1900 8350 1900 8850
Wire Wire Line
2000 8750 2400 8750
Wire Wire Line
2000 8750 2000 8850
Connection ~ 4250 10550
Wire Wire Line
4250 10550 4250 10650
Wire Wire Line
4250 10550 4250 10450
Wire Wire Line
4150 10550 4250 10550
$Comp
L Amplifier_Operational:LM358 U4
U 3 1 5F92849F
P 3850 10650
F 0 "U4" V 3525 10650 50 0000 C CNN
F 1 "LM833N" V 3616 10650 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 3850 10650 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 3850 10650 50 0001 C CNN
3 3850 10650
0 1 1 0
$EndComp
$Comp
L power:-15V #PWR023
U 1 1 5F938A79
P 3450 10450
F 0 "#PWR023" H 3450 10550 50 0001 C CNN
F 1 "-15V" H 3465 10623 50 0000 C CNN
F 2 "" H 3450 10450 50 0001 C CNN
F 3 "" H 3450 10450 50 0001 C CNN
1 3450 10450
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR024
U 1 1 5F939835
P 4250 10450
F 0 "#PWR024" H 4250 10300 50 0001 C CNN
F 1 "+15V" H 4265 10623 50 0000 C CNN
F 2 "" H 4250 10450 50 0001 C CNN
F 3 "" H 4250 10450 50 0001 C CNN
1 4250 10450
1 0 0 -1
$EndComp
Wire Wire Line
3450 10550 3450 10650
Wire Wire Line
3450 10450 3450 10550
Connection ~ 3450 10550
Wire Wire Line
3450 10550 3550 10550
$Comp
L Device:C C16
U 1 1 5F93AE68
P 4250 10800
F 0 "C16" H 4135 10754 50 0000 R CNN
F 1 "100nF" H 4135 10845 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 4288 10650 50 0001 C CNN
F 3 "~" H 4250 10800 50 0001 C CNN
1 4250 10800
-1 0 0 1
$EndComp
$Comp
L Device:C C15
U 1 1 5F93A49E
P 3450 10800
F 0 "C15" H 3335 10754 50 0000 R CNN
F 1 "100nF" H 3335 10845 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 3488 10650 50 0001 C CNN
F 3 "~" H 3450 10800 50 0001 C CNN
1 3450 10800
-1 0 0 1
$EndComp
$Comp
L power:GNDREF #PWR025
U 1 1 5F9381DA
P 3450 10950
F 0 "#PWR025" H 3450 10700 50 0001 C CNN
F 1 "GNDREF" H 3455 10777 50 0000 C CNN
F 2 "" H 3450 10950 50 0001 C CNN
F 3 "" H 3450 10950 50 0001 C CNN
1 3450 10950
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR026
U 1 1 5F93633D
P 4250 10950
F 0 "#PWR026" H 4250 10700 50 0001 C CNN
F 1 "GNDREF" H 4255 10777 50 0000 C CNN
F 2 "" H 4250 10950 50 0001 C CNN
F 3 "" H 4250 10950 50 0001 C CNN
1 4250 10950
1 0 0 -1
$EndComp
Connection ~ 2400 9250
Wire Wire Line
1600 9250 2400 9250
Connection ~ 2400 8750
Wire Wire Line
12350 2000 12850 2000
Wire Wire Line
11200 1900 11200 2600
Connection ~ 11200 1900
Wire Wire Line
10200 850 10650 850
Wire Wire Line
10200 1600 10650 1600
Wire Wire Line
10200 2850 10650 2850
Wire Wire Line
10200 2350 10650 2350
Wire Wire Line
10650 3250 11300 3250
Wire Wire Line
11300 3250 11300 3300
Connection ~ 11300 3250
Wire Wire Line
10650 2750 11300 2750
Wire Wire Line
11150 3100 11200 3100
Wire Wire Line
11200 2600 11200 3100
Connection ~ 11200 2600
Wire Wire Line
11150 2600 11200 2600
Wire Wire Line
11150 1100 11200 1100
Wire Wire Line
10800 1850 10850 1850
Wire Wire Line
10800 1100 10850 1100
Wire Wire Line
11150 1850 11200 1850
$Comp
L Device:R R31
U 1 1 6021952F
P 11000 3100
F 0 "R31" V 10793 3100 50 0000 C CNN
F 1 "22K" V 10884 3100 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 10930 3100 50 0001 C CNN
F 3 "~" H 11000 3100 50 0001 C CNN
1 11000 3100
0 1 1 0
$EndComp
$Comp
L Device:R R30
U 1 1 60218A82
P 11000 2600
F 0 "R30" V 10793 2600 50 0000 C CNN
F 1 "22K" V 10884 2600 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 10930 2600 50 0001 C CNN
F 3 "~" H 11000 2600 50 0001 C CNN
1 11000 2600
0 1 1 0
$EndComp
Wire Wire Line
11300 2750 11300 3250
$Comp
L Device:R R29
U 1 1 601F3758
P 11000 1850
F 0 "R29" V 10793 1850 50 0000 C CNN
F 1 "22K" V 10884 1850 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 10930 1850 50 0001 C CNN
F 3 "~" H 11000 1850 50 0001 C CNN
1 11000 1850
0 1 1 0
$EndComp
Connection ~ 11550 1900
$Comp
L Device:R R28
U 1 1 5FFA3C32
P 11000 1100
F 0 "R28" V 10793 1100 50 0000 C CNN
F 1 "22K" V 10884 1100 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 10930 1100 50 0001 C CNN
F 3 "~" H 11000 1100 50 0001 C CNN
1 11000 1100
0 1 1 0
$EndComp
$Comp
L Device:R_POT RV14
U 1 1 6016D9DA
P 10650 1850
F 0 "RV14" H 10581 1804 50 0000 R CNN
F 1 "50K log." H 10581 1895 50 0000 R CNN
F 2 "JBeyerstedt-Library:Potentiometer_Alps_RK11K_Single_Horizontal" V 10580 1850 50 0001 C CNN
F 3 "https://tech.alpsalpine.com/prod/e/pdf/potentiometer/rotarypotentiometers/rk11k11/rk11k11.pdf" H 10650 1850 50 0001 C CNN
F 4 "Alps RK11K1120-A503" H 10650 1850 50 0001 C CNN "Model"
1 10650 1850
1 0 0 1
$EndComp
Wire Wire Line
11550 1300 11550 1900
Wire Wire Line
12350 1300 12350 2000
Wire Wire Line
11200 1900 11550 1900
Connection ~ 10200 850
$Comp
L Connector:TestPoint TP2
U 1 1 5FC8AC2C
P 10200 850
F 0 "TP2" H 10200 1083 50 0000 C CNN
F 1 "Stage" H 10200 1174 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 10400 850 50 0001 C CNN
F 3 "~" H 10400 850 50 0001 C CNN
1 10200 850
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP5
U 1 1 5FC8A1ED
P 10200 2850
F 0 "TP5" H 10200 3175 50 0000 C CNN
F 1 "Mic3" H 10200 3084 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 10400 2850 50 0001 C CNN
F 3 "~" H 10400 2850 50 0001 C CNN
1 10200 2850
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP4
U 1 1 5FC89B55
P 10200 2350
F 0 "TP4" H 10200 2675 50 0000 C CNN
F 1 "Mic2" H 10200 2584 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 10400 2350 50 0001 C CNN
F 3 "~" H 10400 2350 50 0001 C CNN
1 10200 2350
1 0 0 -1
$EndComp
Connection ~ 10200 1600
$Comp
L Connector:TestPoint TP3
U 1 1 5FC89275
P 10200 1600
F 0 "TP3" H 10200 1925 50 0000 C CNN
F 1 "Mic1" H 10200 1834 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 10400 1600 50 0001 C CNN
F 3 "~" H 10400 1600 50 0001 C CNN
1 10200 1600
1 0 0 -1
$EndComp
Text Notes 9950 2850 0 50 ~ 0
Mic3
Text Notes 9950 2350 0 50 ~ 0
Mic2
Wire Wire Line
11200 1100 11200 1850
Wire Wire Line
11200 1850 11200 1900
Connection ~ 11200 1850
Wire Wire Line
10650 2350 10650 2450
Wire Wire Line
10650 2850 10650 2950
$Comp
L Device:R_POT_Dual RV15
U 1 1 5FD69197
P 10750 2850
F 0 "RV15" V 10550 2650 50 0000 R CNN
F 1 "50K log. st." V 10450 2650 50 0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Alps_RK09L_Double_Horizontal" H 11000 2775 50 0001 C CNN
F 3 "https://tech.alpsalpine.com/prod/e/pdf/potentiometer/rotarypotentiometers/rk14k12/rk14k12.pdf" H 11000 2775 50 0001 C CNN
F 4 "Alps RK14K12B0A0R / RK09L1220" H 10750 2850 50 0001 C CNN "Model"
1 10750 2850
0 1 -1 0
$EndComp
$Comp
L power:GNDREF #PWR0118
U 1 1 5FD303BF
P 11300 3300
F 0 "#PWR0118" H 11300 3050 50 0001 C CNN
F 1 "GNDREF" H 11305 3127 50 0000 C CNN
F 2 "" H 11300 3300 50 0001 C CNN
F 3 "" H 11300 3300 50 0001 C CNN
1 11300 3300
1 0 0 -1
$EndComp
Wire Wire Line
10150 850 10200 850
Wire Wire Line
10650 850 10650 950
$Comp
L power:GNDREF #PWR0117
U 1 1 5FCA62EC
P 10650 1250
F 0 "#PWR0117" H 10650 1000 50 0001 C CNN
F 1 "GNDREF" H 10655 1077 50 0000 C CNN
F 2 "" H 10650 1250 50 0001 C CNN
F 3 "" H 10650 1250 50 0001 C CNN
1 10650 1250
1 0 0 -1
$EndComp
Connection ~ 12350 1300
Wire Wire Line
12250 1300 12350 1300
Connection ~ 12350 2000
Wire Wire Line
12350 950 12350 1300
Wire Wire Line
11950 950 12350 950
Wire Wire Line
12250 2000 12350 2000
$Comp
L power:GNDREF #PWR036
U 1 1 5FF79FFE
P 10650 2000
F 0 "#PWR036" H 10650 1750 50 0001 C CNN
F 1 "GNDREF" H 10655 1827 50 0000 C CNN
F 2 "" H 10650 2000 50 0001 C CNN
F 3 "" H 10650 2000 50 0001 C CNN
1 10650 2000
1 0 0 -1
$EndComp
Wire Wire Line
10150 1600 10200 1600
Wire Wire Line
10650 1600 10650 1700
Wire Wire Line
11550 1900 11650 1900
Wire Wire Line
11550 2100 11550 2300
Wire Wire Line
11650 2100 11550 2100
Connection ~ 11550 1300
Wire Wire Line
11550 950 11650 950
Wire Wire Line
11550 1300 11550 950
$Comp
L power:GNDREF #PWR010
U 1 1 5FFF6777
P 11550 2300
F 0 "#PWR010" H 11550 2050 50 0001 C CNN
F 1 "GNDREF" H 11555 2127 50 0000 C CNN
F 2 "" H 11550 2300 50 0001 C CNN
F 3 "" H 11550 2300 50 0001 C CNN
1 11550 2300
1 0 0 -1
$EndComp
Wire Wire Line
11550 1300 11950 1300
Text Notes 11450 3000 0 50 ~ 10
Summing Module\nGain: -inf to 0 dB per Ch.
$Comp
L Device:C C3
U 1 1 5FFF675B
P 11800 950
F 0 "C3" V 11548 950 50 0000 C CNN
F 1 "22pF" V 11639 950 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 11838 800 50 0001 C CNN
F 3 "~" H 11800 950 50 0001 C CNN
1 11800 950
0 1 1 0
$EndComp
$Comp
L Device:R_POT RV13
U 1 1 5FFF6755
P 10650 1100
F 0 "RV13" H 10580 1054 50 0000 R CNN
F 1 "50K log." H 10580 1145 50 0000 R CNN
F 2 "JBeyerstedt-Library:Potentiometer_Alps_RK11K_Single_Horizontal" V 10580 1100 50 0001 C CNN
F 3 "https://tech.alpsalpine.com/prod/e/pdf/potentiometer/rotarypotentiometers/rk11k11/rk11k11.pdf" H 10650 1100 50 0001 C CNN
F 4 "Alps RK11K1120-A503" H 10650 1100 50 0001 C CNN "Model"
1 10650 1100
1 0 0 1
$EndComp
$Comp
L Device:R R9
U 1 1 5FFF6743
P 12100 1300
F 0 "R9" V 11893 1300 50 0000 C CNN
F 1 "22K" V 11984 1300 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 12030 1300 50 0001 C CNN
F 3 "~" H 12100 1300 50 0001 C CNN
1 12100 1300
0 1 1 0
$EndComp
$Comp
L Amplifier_Operational:LM358 U1
U 2 1 5FFF673D
P 11950 2000
F 0 "U1" H 11950 1633 50 0000 C CNN
F 1 "LM833N" H 11950 1724 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 11950 2000 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 11950 2000 50 0001 C CNN
2 11950 2000
1 0 0 1
$EndComp
Text GLabel 10150 1600 0 50 Input ~ 0
Mic1
Text GLabel 10150 850 0 50 Input ~ 0
Stage
Wire Wire Line
15550 2050 15300 2050
Wire Wire Line
15300 1950 15550 1950
Wire Wire Line
15500 2300 15750 2300
Wire Wire Line
15750 2300 15750 2250
Wire Wire Line
15500 1850 15500 2300
Wire Wire Line
15750 2300 15750 2400
Connection ~ 15750 2300
Wire Wire Line
15300 1950 15300 2000
Wire Wire Line
15200 2000 15300 2000
Connection ~ 15300 2000
Wire Wire Line
15300 2000 15300 2050
Wire Wire Line
6900 9000 7200 9000
Wire Wire Line
4300 9000 4600 9000
Wire Wire Line
12150 9000 12500 9000
Wire Wire Line
15200 8650 15200 8550
Connection ~ 15200 8650
Wire Wire Line
15400 8650 15200 8650
Wire Wire Line
15200 9050 15200 9150
Connection ~ 15200 9050
Wire Wire Line
15200 9050 15700 9050
Wire Wire Line
11950 9300 12150 9300
$Comp
L Device:R R12
U 1 1 5FD14A6B
P 10600 8650
F 0 "R12" V 10393 8650 50 0000 C CNN
F 1 "22K" V 10484 8650 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 10530 8650 50 0001 C CNN
F 3 "~" H 10600 8650 50 0001 C CNN
1 10600 8650
0 1 1 0
$EndComp
$Comp
L Device:R R14
U 1 1 5FD2515A
P 10600 9000
F 0 "R14" V 10393 9000 50 0000 C CNN
F 1 "22K" V 10484 9000 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 10530 9000 50 0001 C CNN
F 3 "~" H 10600 9000 50 0001 C CNN
1 10600 9000
0 1 1 0
$EndComp
Wire Wire Line
12500 9000 13500 9000
Wire Wire Line
11150 9200 11150 8800
Connection ~ 11150 9200
Wire Wire Line
10200 9350 10450 9350
Wire Wire Line
10200 9000 10450 9000
$Comp
L Connector:TestPoint TP11
U 1 1 5FC9BB36
P 10200 9350
F 0 "TP11" H 10143 9468 50 0000 R CNN
F 1 "Mic3" H 10143 9377 50 0000 R CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 10400 9350 50 0001 C CNN
F 3 "~" H 10400 9350 50 0001 C CNN
1 10200 9350
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP10
U 1 1 5FC9B2AB
P 10200 9000
F 0 "TP10" H 10143 9118 50 0000 R CNN
F 1 "Mic2" H 10143 9027 50 0000 R CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 10400 9000 50 0001 C CNN
F 3 "~" H 10400 9000 50 0001 C CNN
1 10200 9000
1 0 0 -1
$EndComp
Wire Wire Line
10200 8650 10450 8650
Connection ~ 10200 8650
$Comp
L Connector:TestPoint TP9
U 1 1 5FC9AA71
P 10200 8650
F 0 "TP9" H 10200 8975 50 0000 C CNN
F 1 "Mic1" H 10200 8884 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 10400 8650 50 0001 C CNN
F 3 "~" H 10400 8650 50 0001 C CNN
1 10200 8650
1 0 0 -1
$EndComp
Connection ~ 12500 9000
$Comp
L Connector:TestPoint TP6
U 1 1 5FC8F283
P 12500 9000
F 0 "TP6" H 12500 9325 50 0000 C CNN
F 1 "MicSum" H 12500 9234 50 0000 C CNN
F 2 "TestPoint:TestPoint_THTPad_D2.0mm_Drill1.0mm" H 12700 9000 50 0001 C CNN
F 3 "~" H 12700 9000 50 0001 C CNN
1 12500 9000
1 0 0 -1
$EndComp
Wire Wire Line
13400 8450 13400 8550
Wire Wire Line
13400 8550 13500 8550
Connection ~ 13400 8550
Wire Wire Line
13300 8550 13400 8550
Wire Wire Line
12900 8550 13000 8550
Wire Wire Line
12900 8650 12900 8550
Wire Wire Line
12900 9450 12900 9550
Wire Wire Line
13000 9450 12900 9450
Wire Wire Line
13400 9450 13500 9450
Connection ~ 13400 9450
Wire Wire Line
13400 9450 13400 9550
Wire Wire Line
13300 9450 13400 9450
Wire Wire Line
15200 9150 15100 9150
Wire Wire Line
15200 9000 15200 9050
Wire Wire Line
15100 9000 15200 9000
Wire Wire Line
15200 8550 15100 8550
Wire Wire Line
15200 8700 15200 8650
Wire Wire Line
15100 8700 15200 8700
Wire Wire Line
15700 9050 15700 8950
Wire Wire Line
15200 9450 15200 9550
Wire Wire Line
15100 9450 15200 9450
$Comp
L power:GNDREF #PWR0105
U 1 1 6049ECFC
P 15200 9550
F 0 "#PWR0105" H 15200 9300 50 0001 C CNN
F 1 "GNDREF" H 15205 9377 50 0000 C CNN
F 2 "" H 15200 9550 50 0001 C CNN
F 3 "" H 15200 9550 50 0001 C CNN
1 15200 9550
1 0 0 -1
$EndComp
$Comp
L Device:C C17
U 1 1 604659B0
P 13150 8550
F 0 "C17" V 12898 8550 50 0000 C CNN
F 1 "1uF" V 12989 8550 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 13188 8400 50 0001 C CNN
F 3 "~" H 13150 8550 50 0001 C CNN
1 13150 8550
0 1 1 0
$EndComp
$Comp
L Device:C C18
U 1 1 60444365
P 13150 9450
F 0 "C18" V 12898 9450 50 0000 C CNN
F 1 "1uF" V 12989 9450 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 13188 9300 50 0001 C CNN
F 3 "~" H 13150 9450 50 0001 C CNN
1 13150 9450
0 1 1 0
$EndComp
$Comp
L power:GNDREF #PWR0104
U 1 1 60442CD0
P 12900 9550
F 0 "#PWR0104" H 12900 9300 50 0001 C CNN
F 1 "GNDREF" H 12905 9377 50 0000 C CNN
F 2 "" H 12900 9550 50 0001 C CNN
F 3 "" H 12900 9550 50 0001 C CNN
1 12900 9550
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR0103
U 1 1 604420CE
P 12900 8650
F 0 "#PWR0103" H 12900 8400 50 0001 C CNN
F 1 "GNDREF" H 12905 8477 50 0000 C CNN
F 2 "" H 12900 8650 50 0001 C CNN
F 3 "" H 12900 8650 50 0001 C CNN
1 12900 8650
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR0102
U 1 1 60441414
P 13400 8450
F 0 "#PWR0102" H 13400 8300 50 0001 C CNN
F 1 "+15V" H 13415 8623 50 0000 C CNN
F 2 "" H 13400 8450 50 0001 C CNN
F 3 "" H 13400 8450 50 0001 C CNN
1 13400 8450
1 0 0 -1
$EndComp
$Comp
L power:-15V #PWR0101
U 1 1 6044025E
P 13400 9550
F 0 "#PWR0101" H 13400 9650 50 0001 C CNN
F 1 "-15V" H 13415 9723 50 0000 C CNN
F 2 "" H 13400 9550 50 0001 C CNN
F 3 "" H 13400 9550 50 0001 C CNN
1 13400 9550
-1 0 0 1
$EndComp
$Comp
L JBeyerstedt-Library:DRV134PA U5
U 1 1 603FAC5E
P 13500 8700
F 0 "U5" H 14300 9187 60 0000 C CNN
F 1 "DRV134PA" H 14300 9081 60 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 14300 9040 60 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/drv134.pdf" H 14300 9081 60 0001 C CNN
1 13500 8700
1 0 0 -1
$EndComp
Wire Wire Line
12150 9000 12150 9300
Wire Wire Line
10850 9200 10850 9350
Connection ~ 10850 9200
Wire Wire Line
10850 9200 11150 9200
Wire Wire Line
10150 8650 10200 8650
Wire Wire Line
11150 9400 11150 9600
Wire Wire Line
11250 9400 11150 9400
Connection ~ 11950 9300
Connection ~ 11950 8800
Wire Wire Line
11950 9300 11850 9300
Wire Wire Line
11950 8800 11950 9300
Wire Wire Line
11950 8450 11550 8450
Wire Wire Line
11950 8800 11950 8450
Wire Wire Line
11850 8800 11950 8800
Connection ~ 11150 8800
Wire Wire Line
11150 8450 11250 8450
Wire Wire Line
11150 8800 11150 8450
Text Notes 13800 9800 0 50 ~ 10
Line driver\nGain: 6 dB
$Comp
L power:GNDREF #PWR018
U 1 1 5FD7D2A6
P 11150 9600
F 0 "#PWR018" H 11150 9350 50 0001 C CNN
F 1 "GNDREF" H 11155 9427 50 0000 C CNN
F 2 "" H 11150 9600 50 0001 C CNN
F 3 "" H 11150 9600 50 0001 C CNN
1 11150 9600
1 0 0 -1
$EndComp
Wire Wire Line
11150 8800 11550 8800
Wire Wire Line
11250 9200 11150 9200
Connection ~ 10850 9000
Wire Wire Line
10850 9350 10750 9350
Wire Wire Line
10850 9000 10850 9200
Wire Wire Line
10850 9000 10750 9000
Wire Wire Line
10850 8650 10850 9000
Wire Wire Line
10750 8650 10850 8650
Text Notes 10350 9800 0 50 ~ 10
Summing Module\nGain: 0 dB
$Comp
L Device:C C10
U 1 1 5FD269DB
P 11400 8450
F 0 "C10" V 11148 8450 50 0000 C CNN
F 1 "22pF" V 11239 8450 50 0000 C CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 11438 8300 50 0001 C CNN
F 3 "~" H 11400 8450 50 0001 C CNN
1 11400 8450
0 1 1 0
$EndComp
$Comp
L Device:R R13
U 1 1 5FD25F73
P 11700 8800
F 0 "R13" V 11493 8800 50 0000 C CNN
F 1 "22K" V 11584 8800 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 11630 8800 50 0001 C CNN
F 3 "~" H 11700 8800 50 0001 C CNN
1 11700 8800
0 1 1 0
$EndComp
$Comp
L Device:R R16
U 1 1 5FD258D7
P 10600 9350
F 0 "R16" V 10393 9350 50 0000 C CNN
F 1 "22K" V 10484 9350 50 0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 10530 9350 50 0001 C CNN
F 3 "~" H 10600 9350 50 0001 C CNN
1 10600 9350
0 1 1 0
$EndComp
Text GLabel 10150 8650 0 50 Input ~ 0
Mic1
$Comp
L Amplifier_Operational:LM358 U3
U 3 1 5FCF1284
P 10550 10500
F 0 "U3" V 10225 10500 50 0000 C CNN
F 1 "LM833N" V 10316 10500 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 10550 10500 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 10550 10500 50 0001 C CNN
3 10550 10500
0 1 1 0
$EndComp
$Comp
L power:-15V #PWR013
U 1 1 5FCF127E
P 10150 10300
F 0 "#PWR013" H 10150 10400 50 0001 C CNN
F 1 "-15V" H 10165 10473 50 0000 C CNN
F 2 "" H 10150 10300 50 0001 C CNN
F 3 "" H 10150 10300 50 0001 C CNN
1 10150 10300
1 0 0 -1
$EndComp
$Comp
L power:+15V #PWR014
U 1 1 5FCF1278
P 10950 10300
F 0 "#PWR014" H 10950 10150 50 0001 C CNN
F 1 "+15V" H 10965 10473 50 0000 C CNN
F 2 "" H 10950 10300 50 0001 C CNN
F 3 "" H 10950 10300 50 0001 C CNN
1 10950 10300
1 0 0 -1
$EndComp
Wire Wire Line
10850 10400 10950 10400
Wire Wire Line
10950 10400 10950 10300
Wire Wire Line
10950 10400 10950 10500
Connection ~ 10950 10400
Wire Wire Line
10150 10400 10150 10500
Wire Wire Line
10150 10300 10150 10400
Connection ~ 10150 10400
Wire Wire Line
10150 10400 10250 10400
$Comp
L Device:C C12
U 1 1 5FCF126A
P 10950 10650
F 0 "C12" H 10835 10604 50 0000 R CNN
F 1 "100nF" H 10835 10695 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 10988 10500 50 0001 C CNN
F 3 "~" H 10950 10650 50 0001 C CNN
1 10950 10650
-1 0 0 1
$EndComp
$Comp
L Device:C C11
U 1 1 5FCF1264
P 10150 10650
F 0 "C11" H 10035 10604 50 0000 R CNN
F 1 "100nF" H 10035 10695 50 0000 R CNN
F 2 "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm" H 10188 10500 50 0001 C CNN
F 3 "~" H 10150 10650 50 0001 C CNN
1 10150 10650
-1 0 0 1
$EndComp
$Comp
L power:GNDREF #PWR016
U 1 1 5FCF125E
P 10150 10800
F 0 "#PWR016" H 10150 10550 50 0001 C CNN
F 1 "GNDREF" H 10155 10627 50 0000 C CNN
F 2 "" H 10150 10800 50 0001 C CNN
F 3 "" H 10150 10800 50 0001 C CNN
1 10150 10800
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR017
U 1 1 5FCF1258
P 10950 10800
F 0 "#PWR017" H 10950 10550 50 0001 C CNN
F 1 "GNDREF" H 10955 10627 50 0000 C CNN
F 2 "" H 10950 10800 50 0001 C CNN
F 3 "" H 10950 10800 50 0001 C CNN
1 10950 10800
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:LM358 U3
U 1 1 5FCC6AFD
P 11550 9300
F 0 "U3" H 11550 8933 50 0000 C CNN
F 1 "LM833N" H 11550 9024 50 0000 C CNN
F 2 "Package_DIP:DIP-8_W7.62mm_Socket_LongPads" H 11550 9300 50 0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/lm833.pdf" H 11550 9300 50 0001 C CNN
1 11550 9300
1 0 0 1
$EndComp
Wire Wire Line
15900 8950 15800 8950
Connection ~ 15900 8950
$Comp
L power:GNDREF #PWR015
U 1 1 5F91C92F
P 15900 8950
F 0 "#PWR015" H 15900 8700 50 0001 C CNN
F 1 "GNDREF" H 15905 8777 50 0000 C CNN
F 2 "" H 15900 8950 50 0001 C CNN
F 3 "" H 15900 8950 50 0001 C CNN
1 15900 8950
-1 0 0 -1
$EndComp
Wire Wire Line
16000 8950 15900 8950
Wire Wire Line
16000 8650 16000 8950
$Comp
L Connector:XLR3_Ground J3
U 1 1 5F82013F
P 15700 8650
F 0 "J3" H 15700 9015 50 0000 C CNN
F 1 "Mix Line-Out" H 15700 8924 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 15700 8650 50 0001 C CNN
F 3 "https://www.neutrik.com/de/produkt/nc3md-lx.pdf" H 15700 8650 50 0001 C CNN
F 4 "XLR (male)" H 15700 8650 50 0001 C CNN "Model"
1 15700 8650
-1 0 0 -1
$EndComp
Wire Wire Line
8700 9000 9200 9000
Wire Wire Line
9200 9000 9200 9100
Wire Wire Line
8900 8900 8900 8800
Wire Wire Line
8700 8900 8900 8900
Wire Wire Line
8900 9100 8900 9200
Wire Wire Line
8700 9100 8900 9100
$Comp
L power:-15V #PWR0121
U 1 1 5FB363BB
P 8900 9200
F 0 "#PWR0121" H 8900 9300 50 0001 C CNN
F 1 "-15V" H 8915 9373 50 0000 C CNN
F 2 "" H 8900 9200 50 0001 C CNN
F 3 "" H 8900 9200 50 0001 C CNN
1 8900 9200
-1 0 0 1
$EndComp
$Comp
L power:+15V #PWR0120
U 1 1 5FB363B5
P 8900 8800
F 0 "#PWR0120" H 8900 8650 50 0001 C CNN
F 1 "+15V" H 8915 8973 50 0000 C CNN
F 2 "" H 8900 8800 50 0001 C CNN
F 3 "" H 8900 8800 50 0001 C CNN
1 8900 8800
1 0 0 -1
$EndComp
$Comp
L power:GNDREF #PWR0119
U 1 1 5FB363AF
P 9200 9100
F 0 "#PWR0119" H 9200 8850 50 0001 C CNN
F 1 "GNDREF" H 9205 8927 50 0000 C CNN
F 2 "" H 9200 9100 50 0001 C CNN
F 3 "" H 9200 9100 50 0001 C CNN
1 9200 9100
1 0 0 -1
$EndComp
$Comp
L Connector:Conn_01x03_Male J6
U 1 1 5FB363A9
P 8500 9000
F 0 "J6" H 8608 9281 50 0000 C CNN
F 1 "PowerSupply" H 8608 9190 50 0000 C CNN
F 2 "TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type073_RT02603HBLU_1x03_P5.08mm_Horizontal" H 8500 9000 50 0001 C CNN
F 3 "" H 8500 9000 50 0001 C CNN
1 8500 9000
1 0 0 -1
$EndComp
$EndSCHEMATC
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