Wiring gurus help, or, is there a smarter way to do this?

[misterwhizzy]

Here's my goal. I have a single channel amp with an effects loop, and I run basically two tones, clean and dirty. And here comes the problem. I like my effects loop pedals running with the clean tones, and I like an overdrive into the front of the amp for dirty tones most of the time. And I want to be able to switch between the two with a flick of the pickup selector and one stomp.

So I was planning on building a footswitch with four switches:
1. Toggle loop one.
2. Toggle loop two.
3. Toggle both loops one and two simultaneously.
4. Bypass all switching, enabling both loops.

I can do all this with 4 DPDTs, I think, and this is the portion of the post where I lose everyone, since I don't have a program or the skill to draw out a diagram. Let's just say for each DPDT, on connects pin 2 to 1, 1 to 4, and 4 to 5, and off connects 2 to 3, 3 to 6, and 6 to 5.

So on is: And off is:
6 3 6-3
5 2 5 2
4-1 4 1

4-1 to 3-2
4-2 to Loop 1 In
4-3 to Loop 1 Send
4-4 to 3-5
4-5 to Loop 2 In
4-6 to Loop 2 Send

3-1 to 1-2
3-2 to 4-1
3-3 to 1-5
3-4 to 2-2
3-5 to 4-4
3-6 to 2-5

Then 1 and 2 are basically the same, taking inputs from switch 3.
Pin 1 to Loop Out
Pin 2 to 3-1 and 3-4 respectively
Pin 3 to Loop Send
Pin 4 to Loop Send
Pin 5 to 3-3 and 3-6 respectively
Pin 6 to Loop Out

Is there a website where I can put together a diagram of this or a program that I can use to make a picture on my Mac? A picture is worth a thousand words, and I think I might be coming up on that limit here soon.

So I think I have all that figured out. I just think there has to be a more intelligent way to do things for the LEDs than to turn 1, 2, and 3 into 4PDTs. It's either on or off at switch 4, so I can get away with a 3PDT there. Any thoughts?

 

[VinceT]

Re: Wiring gurus help, or, is there a smarter way to do this?

I'm not sure I understand what you're trying to do here. What I think your first para describes is toggling between the overdrive into the front and the effects in the loop, but then you say you want capability to have both active together? If that's the case, an AB in the loop (effectively off/on) and the OD footswitch would give you the functionality?


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[DrNewcenstein]

Re: Wiring gurus help, or, is there a smarter way to do this?

Set it up like you would a single-channel amp using an external loop pedal.

 

[ehdwuld]

Re: Wiring gurus help, or, is there a smarter way to do this?

a/b/y switch in loop
dirt pedal in front

or
two amps
one dirty
one clean
with separate loops
and an a/b/y pedal