Help with 4 channel true bypass looper wiring

Started by Lindan Caldwell, November 09, 2013, 09:20:04 PM

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Lindan Caldwell

So I'm building a 4 channel bypass looper. Followed the diagram from beavis audio, plug it in and no signal comes through. They're diagram only shows 1 loop. I sent the output of the first switch to the input of the 2nd, and so on. I wired a 2 channel looper just like this and no problems. What's up? Yes I checked with different cables

caspercody

Check out this site:

http://www.singlecoil.com/tb-strip/tbstrip.html

I think you will find a schematic for what you are trying to do. I built a (3) way looper using their schmatic and it works perfect.

Lindan Caldwell

Tried wiring it that way. Still nothing. I only get a signal if I go in through one of the sends on the first two channels only. In the diagram the jacks are on the bottom, mine are on the top. Does that necessarily matter? Do I need to wire the switches with the jacks on the bottom?

Pojo

Quote from: Lindan Caldwell on November 10, 2013, 11:57:42 AM
Tried wiring it that way. Still nothing. I only get a signal if I go in through one of the sends on the first two channels only. In the diagram the jacks are on the bottom, mine are on the top. Does that necessarily matter? Do I need to wire the switches with the jacks on the bottom?

Do you mean where you physically place the jacks on the enclosure? If so, that doesn't matter. If you mean which switch lugs you use, then yes. Regardless, there's definitely an error somewhere. Upload some pics if you can.

knutolai

Try to go over your switches with your multimeter to make sure that the pinout is the way you think it is. I've done mistakes like this before with SPDT/DPDT-switches where the center lug turned out not to be the COM (not very usual I know).

mth5044

#5
Pictures of each loop would be very beneficial. It's hard to diagnose problems without seeing anything. Sounds very much like a wiring problem because correct wiring would not allow for the send to connect to the output of the looper. The send in either bypass or engaged would only connect to the input or ground.

duck_arse

do you have a multimeter? test continuity from the tip of a cable plugged in to the first input jack to the tip of a cable plugged to each of your other jacks. if you have inverted your jacks, you may have connected a "tip" to a "sleeve". going from jack to jack will should find your problem.
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