Output switch (one in, three out) question

oguinn · 1086

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Offline oguinn

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on: February 21, 2019, 09:04:00 AM
Hey all. I'm looking to build a one input, three output switch. I think I have it figured out, but would love feedback. In this diagram I'd use a two pole, three way make-before-break (shorting) switch and four each of red and black RCAs. Do I have the wiring diagram in the attachments correct? Do I need a ground anywhere?
« Last Edit: February 21, 2019, 09:10:45 AM by oguinn »

Jameson O'Guinn

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Main System: Schiit Bifrost MB, Rega Planar 6 with Exact cartridge, Eros 2, BeePre, Kaiju/Stereomour II, Jagers, Mainline

Desktop System: Crack with Speedball


Offline Karl5150

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Reply #1 on: February 21, 2019, 09:41:36 AM
I think you need a 4 pole 3 position switch. Just reverse the SII setup.

Karl
Downstairs: Planar3>PH-16>Stereomour II>OB Betsy+
Upstairs: RP1>Eros/CD5004>Seductor (2x Monoblocks)>FH3
Office: Modi Uber 2/Sirius>SEX2.1.1>µFonken FF85WK + DC160 subs
BR: FiiO M6>SEX3.0.1>ScanSpeak 10F + TangBand W6 (Mono)/DT770Pro
Garage: X12 streamer>Quicksand>Minimus 77


Offline Karl5150

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Reply #2 on: February 21, 2019, 09:43:50 AM
And I think you want a non-shorting switch.

Karl
Downstairs: Planar3>PH-16>Stereomour II>OB Betsy+
Upstairs: RP1>Eros/CD5004>Seductor (2x Monoblocks)>FH3
Office: Modi Uber 2/Sirius>SEX2.1.1>µFonken FF85WK + DC160 subs
BR: FiiO M6>SEX3.0.1>ScanSpeak 10F + TangBand W6 (Mono)/DT770Pro
Garage: X12 streamer>Quicksand>Minimus 77


Offline oguinn

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Reply #3 on: February 21, 2019, 09:46:23 AM
Ok, interesting. I found the two pole, three position recommendation here: https://bottlehead.com/smf/index.php?topic=4065.msg37258#msg37258

And I got the shorting switch guidance from a few different DIY forums, but I obviously could have gotten that wrong.

Four pole does make more sense, I guess. One ground and one signal for each RCA?
« Last Edit: February 21, 2019, 09:59:02 AM by oguinn »

Jameson O'Guinn

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Main System: Schiit Bifrost MB, Rega Planar 6 with Exact cartridge, Eros 2, BeePre, Kaiju/Stereomour II, Jagers, Mainline

Desktop System: Crack with Speedball


Offline Karl5150

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Reply #4 on: February 21, 2019, 10:00:11 AM
I think the shorting switch is used for stepped volume control. I have a drawing I used for adding 2 input with a blank spot in the middle. I'll try to adapt it, give me a few...

Karl
Downstairs: Planar3>PH-16>Stereomour II>OB Betsy+
Upstairs: RP1>Eros/CD5004>Seductor (2x Monoblocks)>FH3
Office: Modi Uber 2/Sirius>SEX2.1.1>µFonken FF85WK + DC160 subs
BR: FiiO M6>SEX3.0.1>ScanSpeak 10F + TangBand W6 (Mono)/DT770Pro
Garage: X12 streamer>Quicksand>Minimus 77


Offline oguinn

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Reply #5 on: February 21, 2019, 10:01:00 AM
Ah that makes sense. Thanks for modifying your drawing!

Jameson O'Guinn

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Main System: Schiit Bifrost MB, Rega Planar 6 with Exact cartridge, Eros 2, BeePre, Kaiju/Stereomour II, Jagers, Mainline

Desktop System: Crack with Speedball


Offline Karl5150

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Reply #6 on: February 21, 2019, 10:29:00 AM
It may be a bit confusing, I used the colors that come in a CAT5 cable, so I had to double up a couple of colors, the dotted lines are the white striped wires. The center A is internally connected to 1-3, depending on the switch position. B goes to 4-6, C to 7-9 and D to 10-12. So the first position activates 1,4,7 & 10. The 2nd activates 2,5,8 & 11 and the 3rd 3,6,9 & 12. (The way I hooked up + & - to A-D isn't the same as BH used, but It worked for me)

Karl
Downstairs: Planar3>PH-16>Stereomour II>OB Betsy+
Upstairs: RP1>Eros/CD5004>Seductor (2x Monoblocks)>FH3
Office: Modi Uber 2/Sirius>SEX2.1.1>µFonken FF85WK + DC160 subs
BR: FiiO M6>SEX3.0.1>ScanSpeak 10F + TangBand W6 (Mono)/DT770Pro
Garage: X12 streamer>Quicksand>Minimus 77


Offline oguinn

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Reply #7 on: February 21, 2019, 10:36:21 AM
That's awesome, thank you Karl.

Jameson O'Guinn

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Main System: Schiit Bifrost MB, Rega Planar 6 with Exact cartridge, Eros 2, BeePre, Kaiju/Stereomour II, Jagers, Mainline

Desktop System: Crack with Speedball


Offline oguinn

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Reply #8 on: March 19, 2019, 05:53:59 AM
Update on this. I finally got the chassis plate milled by Front Panel Express and then powder coated locally. Thankfully I tried out the wiring diagram before I committed to soldering it.

Later today I'll solder it up and then toss it into a base.

Jameson O'Guinn

-

Main System: Schiit Bifrost MB, Rega Planar 6 with Exact cartridge, Eros 2, BeePre, Kaiju/Stereomour II, Jagers, Mainline

Desktop System: Crack with Speedball