diff --git a/README.md b/README.md index a4bdc3d..28434be 100644 --- a/README.md +++ b/README.md @@ -127,34 +127,124 @@ A possible UI layout might look like this: ![](docs/ui-layout.jpg) ### Potentiometers -After some long research to find single and dual channel, logarithmic scale potentiometers with the same dimensions, there are only a few options left: -1. Alps Alpine Series RK09K/D, 10 kOhm (log), 15 mm length, vertical mount: RK09K1130AJ3 (single) and RK09K12C0A19 (dual) -6 mm D-style (4.5 mm) shaft, 6 mm flattened + 2.2 mm (incl. 0.8 mm collar) = 8.2 mm from top -Notes: Knob might touch surface, assuming 2 mm front plate thickness -2. Alps Alpine Series RK09K/D, 10 kOhm (log), 30 mm length, vertical mount: RK09D117000C (single) and RK09K12C0A8K (dual) -6 mm D-style (4.5 mm) shaft, 12 mm flattened + 11.2 mm (incl. 5.0 mm collar) = 23.2 mm from top -Notes: Quite long shaft, matching knobs difficult to find -3. **Alps Alpine Series RK097**, 10 kOhm (log), 15 mm length, horizontal mount: RK097111080J (single) and RK09712200MC (dual) -6 mm D-style (4.5 mm) shaft, 7 mm flattened + 8 mm (incl. 5 mm threaded collar) = 15 mm from top -Notes: More expensive than RK09K; Thread should fix 2 mm front plate well -4. Alps Alpine Series RK097, 10 kOhm (log), 20 mm length, horizontal mount: RK097111080R (single) and RK09712200HA (dual) -6 mm D-style (4.5 mm) shaft, 12 mm flattened + 8 mm (incl. 7 mm threaded collar) = 20 mm from top -Notes: Quite long shaft, matching knobs difficult to find +We need some single and dual channel logarithmic scale potentiometers, which are matching in size, for: +- top plate interface (all vertical style, threaded collar would be nice): + * 1 single channel for the input gain (resistance doesn't matter) + * 2 single and 1 stereo channel for the headphone mix (ideally 50K, b/c 3 will be in parallel) +- front plate next to the headset jacks (horizontal style, threaded collar not needed): + * 1 single channel for the headphone volume (ideally 50K, b/c that's already tested) Possible knobs may be: -- Rean F311/ F313 series (11/ 13 mm diameter): 9 mm hole depth (no skirt/ flush with end of flattened axis section) -Notes: Will fit option 1 (and 2, if potentiometer placed accordingly) -- Rean P670 series (12 mm diameter/ 16 mm at bottom): 7.5 mm hole depth + 4.5 mm skirt = 12 mm -Notes: Should fit option 3 -- Cliff K87MAR series/ RS Pro 777-73xx: 7.5 mm hole depth + 4.5 mm skirt = 12 mm, inner size of skirt 12 mm (measured) -Notes: D-style boring has wrong size (5 mm instead of 4.5 mm flatted) -- Rean P300 series (11 mm diameter/ 15 mm at bottom): 9 mm hole depth + 3 mm skirt -Notes: Might also fit option 3 +- (A) Re'an F311/ F313 series (11/ 13 mm diameter) -- 0.40 €/ 0.55 €: + Boring: 9.0 mm D-style hole + 0.0 mm nut cover section = 9.0 mm +- (B) Re'an P670 series (12 mm diameter/ 16 mm at bottom) (alt. Davies Molding 1101) -- 0.78 €: + Boring: 7.5 mm D-style hole + 4.5 mm nut cover section = 12.0 mm + Nut cover: 12.9 mm diameter (M7 nut is 12.5 mm corner to corner) +- (C) Re'an P300 series (11 mm diameter/ 15 mm at bottom): + Boring: 9.0 mm D-style hole + 3.0 mm nut cover section = 12.0 mm + Nut cover: ? mm diameter (M7 nut is 12.5 mm corner to corner) +- ~~(D) Cliff K87MAR series/ RS Pro 777-73xx: 7.5 mm hole depth + 4.5 mm skirt = 12 mm, inner size of skirt 12 mm (measured)~~ +~~Notes: D-style boring has wrong size (5 mm instead of 4.5 mm flatted)~~ + +Potentiometers from Alps Alpine seem to have a decent quality in a small package size and quite affordable price. +From their lineup, the RK09K/D, RK11/12/14, RK09L and RK097 series are left considering our requirements (mouser prices without VAT, shortlist marked bold): +- Alps Alpine Series RK09K/D (6 mm D-style (4.5 mm) shaft): + * vertical (top plate): + + **single channel: 10K, 15 mm -- RK09K1130AJ3 -- 0.91 €** + actual shaft length (dwg. 2): 7.4 mm (6 mm flattened) + _matching knobs: A_ + + dual channel: 10K, 15 mm -- RK09K12C0A19 -- 1.23 € + actual shaft length (dwg. 10): 7.4 mm (6 mm flattened) + _matching knobs: A_ + + **dual channel: 50K, 20 mm -- RK09K12C0A2S -- 1.44 €** + actual shaft length (dwg. 10): 12.4 mm (7 mm flattened) + _matching knobs: C, B (depending on front plate thickness)_ + * horizontal (front plate): + * single channel: 10K, 15 mm -- RK09K1110A2S -- 0.67 € + actual shaft length (dwg. 1): 7.4 mm (6 mm flattened) + _matching knobs: A_ + * **single channel: 50K, 15 mm -- RK09K1110B1R -- 0.67 €** + actual shaft length (dwg. 6): 7.4 mm (6 mm flattened) + _matching knobs: A_ +- Alps Alpine Series RK11K/12L/14K (6 mm D-style (4.5 mm) shaft): + * vertical (top plate): + + single channel: none + + dual channel: 10K, 20 mm -- RK14K12C0A1S -- 1.17 € + actual shaft length (dwg. 2): 11.8 mm (7 mm flattened) + _matching knobs: C, B (depending on front plate thickness)_ + + dual channel: 10K, 25 mm -- RK12L12C0A0E -- 0.81 € + actual shaft length (dwg. 2): 16.4 mm (12 mm flattened) + _matching knobs: Unknown, b/c of quite long shaft_ + + dual channel: 50K, 25 mm -- RK14K12C0A0T -- 1.87 € + actual shaft length (dwg. 2): 16.8 mm (12 mm flattened) + _matching knobs: Unknown, b/c of quite long shaft_ + + dual channel: 10K, 30 mm -- RK12L12C0A0G (alt. RK12L1230C0T) -- 0.81 € + actual shaft length (dwg. 2): 21.4 mm (12 mm flattened) + _matching knobs: Unknown, b/c of very long shaft_ + + dual channel: 20K, 30 mm -- RK12L12C0A0A -- 0.81 € + actual shaft length (dwg. 2): 21.4 mm (12 mm flattened) + _matching knobs: Unknown, b/c of very long shaft_ + * horizontal (front plate): + + single channel: none + + dual channel: 10K, 30 mm -- RK12L12A0C0R (alt. RK12L1210C0R) -- 0.81 / 0.79 € + actual shaft length (dwg. 1): 21.4 mm (12 mm flattened) + _matching knobs: Unknown, b/c of very long shaft_ +- Alps Alpine Series RK11K/12L/14K (6 mm D-style (4.5 mm) shaft, collar with M7 thread): + * vertical (top plate): + + dual channel: 10K, 27.5 mm -- RK14K12D0A1X -- 1.13 € + actual shaft length (dwg. 4): 15 mm (12 mm flattened) + 5 mm thread length + _matching knobs: Unknown, b/c of quite long shaft_ + + dual channel: 50K, 27.5 mm -- RK14K12D0A18 -- 1.13 € + actual shaft length (dwg. 4): 15 mm (12 mm flattened) + 5 mm thread length + _matching knobs: Unknown, b/c of quite long shaft_ + * horizontal (front plate): + + single channel: 20k, 27.5 mm -- RK11K1120A31 -- 1.07 € + actual shaft length (dwg. 3): 20 mm (12 mm flattened) + 5 mm thread length + _matching knobs: Unknown, b/c of very long shaft_ + + dual channel: 10K, 22.5 mm -- RK14K12B0A0E (alt. RK14K1220A0F) -- 1.13 € + actual shaft length (dwg. 3): 10 mm (7 mm flattened) + 5 mm thread length + _matching knobs: C, B (depending on front plate thickness)_ + + **dual channel: 50K, 22.5 mm -- RK14K12B0A0R -- 1.13 €** + actual shaft length (dwg. 3): 10 mm (7 mm flattened) + 5 mm thread length + _matching knobs: C, B (depending on front plate thickness)_ +- Alps Alpine Series RK09L (6 mm D-style (4.5 mm) shaft, collar with M7 thread): + * vertical (top plate): + + **single channel: 10K, 12.5 mm -- RK09L1140A5E -- 1.61 €** + actual shaft length (dwg. 2): 7.5 mm (7 mm flattened) + 5 mm thread length + _matching knobs: A_ + + **dual channel: 10K, 15 mm -- RK09L12D0A1W -- 1.64 €** + actual shaft length (dwg. 4): 10 mm (7 mm flattened) + 7 mm thread length + _matching knobs: C, B (depending on front plate thickness)_ + + dual channel: 10K, 20 mm -- RK09L12D0A1T -- 1.64 € + actual shaft length (dwg. 4): 15 mm (12 mm flattened) + 7 mm thread length + _matching knobs: Unknown, b/c of quite long shaft_ + * horizontal (front plate): + + **single channel: 10K, 15 mm -- RK09L1120A2S -- 1.62 €** + actual shaft length (dwg. 1): 10 mm (7 mm flattened) + 5 mm thread length + _matching knobs: C, B (depending on front plate thickness)_ + + single channel: 10K, 20 mm -- RK09L1120A69 -- 1.30 € + actual shaft length (dwg. 1): 15 mm (12 mm flattened) + 7 mm thread length + _matching knobs: Unknown, b/c of quite long shaft_ + + dual channel: 50K, 15 mm -- RK09L12B0A31 -- 1.78 € + actual shaft length (dwg. 3): 10 mm (7 mm flattened) + 5 mm thread length + _matching knobs: C, B (depending on front plate thickness)_ +- Alps Alpine Series RK097 (6 mm D-style (4.5 mm) shaft, collar with M7 thread): + Only horizontal style and quite expensive (2.16 €/ 2.96 €) + +Selection: +- Input gain: + * RK09K1130AJ3 (single, 10K, 15 mm) + Re'an F311/ F313 (diameter TBD) + * or RK09K12C0A2S (dual, 50K, 20 mm) + Re'an P670 or similar +- Headphone mix: + * RK09K12C0A2S (dual, 50K, 20 mm) + Re'an P670 +- Headphone volume: + * RK09K1110B1R (single, 50K, 15 mm) + Re'an F311/ F313 (diameter TBD) ### Switches -The On-Air button needs to be a latching SPST (or SPDT) switch with LED illumination, like: +The On-Air button needs to be a latching DPDT switch, ideally with LED illumination, like: - E-Switch LP11EE1NCSYG +- TODO: other, less expensive options highly appreciated! Separate LED might also be OK. The mute button needs to be a momentary SPST (normally open) or SPDT push button, like: - NKK Switches UB15NBKW01N-C @@ -191,16 +281,17 @@ Connectors and Buttons (User Interface) | 1 | Neutrik NCJ 6 FAH | Line Input | 1.27 | | 1 | Neutrik NC3 MD-LX | Line Output | 3.22 | | 3x1 | Neutrik NCJ 6 FAH | Headset Microphone Input | 1.27 | -| 3x1 | Rean NYS 216 G | Headphone Output | TODO | +| 3x1 | Rean NYS 216 G | Headphone Output | 0.93 | | 3x1 | NKK UB15NBKW01N-C | Mute Button | 7.50 | | 3x1 | E-Switch LP11EE1NCSYG | On-Air Button | 5.00 | -| 3x1 | Alps RK097111080J | 10K log Mono Pot. (Gain) | 2.16 | -| 3x1 | Alps RK097111080J | 10K log Mono Pot. (Headset Vol.) | 2.16 | -| 3x2 | Alps RK097111080J | 10K log Mono Pot. (Headset Mix) | 2.16 | -| 3x1 | Alps RK09712200MC | 10K log Dual Pot. (Headset Mix) | 2.96 | -| 3x5 | TODO | Potentiometer Knob | TODO | +| 3x1 | Alps RK09K1130AJ3 | 10K log Mono Pot. (Gain) | 0.91 | +| 3x1 | Re'an F311 | Potentiometer Knob | 0.40 | +| 3x3 | Alps RK09K12C0A2S | 50K log Dual Pot. (Headset Mix) | 1.44 | +| 3x3 | Re'an P670 | Potentiometer Knob | 0.78 | +| 3x1 | Alps RK09K1110B1R | 50K log Mono Pot. (Headset Vol.) | 0.67 | +| 3x1 | Re'an F311 | Potentiometer Knob | 0.40 | | 1 | Vishay M64{Y,Z}104 | 100K Trim Pot. | 0.95 | -| | | **SUM** | 84.88 | +| | | **SUM** | 79.99 | Sub-Components