Total sonic annihilation (again)... won't work

[syndromet]

Hi,
I'm building my first project right now, and I'm having so much fun with it. It is a bypass-box with a feedback-loop, using this schematic without the led, and with the wires to the pots changed position.









Every schematic I've seen has either a 250k or a 500k pot. Unfortunately I only have a 1K pot and a 100K pot. Is there anyway I can use one of them?

[scaesic]

guitar pots are 250k for single coil and 500k for humbucker, its probably just so it's matched, if you put a 150k resistor in series with the 100k pot you'd be fine, but you couldn't set it to "o"

[doug deeper]

the 100k will work fine,
ive built feedback loops with 250ks and i never used more than say 50k of the range.

[runmikeyrun]

the 100k will work fine,
ive built feedback loops with 250ks and i never used more than say 50k of the range.

i'll second that.

[syndromet]

Well, I've wired it up, and I understand nothing. The loop won't work at all, and the bypassed signal only work if there is no pluggs in the loop-jacks. I've tripple-checked everything, and it should be wired corectly.

This is what I've wired this far. It should be working as a true bypass loop, right?

[syndromet]

Well, It's working now. And the reason it didn't work is so stupid I wont tell you... 
I guess scaesic was right though. The 100k pot never got quiet, so I guess I'll have to order a 500k.

[theundeadelvis]

You could add a switch to turn off the feedback loop if you have a toggle spst laying around. That's how I have mine set up. I am thinking of changing it to either a regular stomp switch or a momentary so you can switch on the fly.