Help with DIY bypass switch for Delta Lab ADM 256 and Rockman Sustainor/ chorus&echo

[drgonzo1969]

Greetings! I have a little switching project I was hoping to get some guidance on. I would like to build a pedal that will have 3 switches to bypass 3 different rack effects. I have a Rockman Sustainor, Rockman Chorus/echo, and a Delta Lab ADM 256. All 3 have outputs in the back for a bypass footswitch. I will post photos from the owner’s manual below. Can someone help me understand how to wire this up?

 

[Erik S]

Sounds like you need a TRS cable, and to connect the tip and ring.

If you've got a TRS cable, you could plug it in and just make the connection on the loose end to verify it works. Easiest would be if you've got a stereo jack so you could connect the terminals on the jack, but you could also just do some janky tinfoil business on the bare end.

 

[Erik S]

If I'm understanding it right (and the other two units work on the same principle), something like this?

 

[drgonzo1969]

If I'm understanding it right (and the other two units work on the same principle), something like this?

View attachment 102343

Excellent! Thank you for drawing that up. I’m going to give this a shot when I get off work tonight.

 

[Erik S]

Excellent! Thank you for drawing that up. I’m going to give this a shot when I get off work tonight.

That's actually probably the fanciest drawing I ever did! Ha! Thanks to @Brett for posting all those component images a while back!

Let me know how it goes! I've got some rack units in the mix I should probably do this for too.

 

[Brett]

Thanks to @Brett for posting all those component images a while back!

Somebody actually uses them…