Wiring question

jdduffield

Active member
I have a 9V battery only (no power jack) on a fuzz circuit. How can I wire a footswitch so that when it is in true bypass, the battery is not draining? (I don’t have a stereo jack.) It has an LED as well.

If I use this wiring technique, would the battery keep draining regardless of the switch position?
 

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I have a 9V battery only (no power jack) on a fuzz circuit. How can I wire a footswitch so that when it is in true bypass, the battery is not draining? (I don’t have a stereo jack.) It has an LED as well.

If I use this wiring technique, would the battery keep draining regardless of the switch position?

To do what I think you're asking, you'd need a 4PDT footswitch.
Three of the poles are already in use, handling the IN/LED/OUT — the 4th pole would be rigged to disconnect the battery.

I've never tried such a way of wiring the power, so you may get weird pops or whatever.


IMO, better to just add an ON/OFF TOGGLE.
 
I've never tried such a way of wiring the power, so you may get weird pops or whatever.
I did something similar with an active bass that I added a switch to that bypasses the active preamp. It also disconnects the battery so I'm not draining it needlessly in passive mode. The pop when turning it back on is quite substantial and while the capacitors are charging up there's no sound for a couple of milliseconds. Not ideal. It does work though and won't drain the battery, so there's that.
 
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