x2 germanium boosters in one box
Posted: 26 Jan 2015, 01:32
So I've built a pedal with two slightly different Germanium boosters in it.
One is a Rangemaster style treble booster that's a bit smoother and boosts some mids too,
the other is a straight full boost that gets into slightly fuzzy territory when cranked.
Breadboarded them both up to sort out part values etc, then built up vero board versions.
When built they tested fine in my test board unit, everything worked.
As soon as I built them into the pedal with switching etc, all of a sudden I'm getting no sound.
Sound works when bypassed, but when either effect is engaged the signal goes dead.
The circuits are still working because audio probing at the input and output of each board shows that they are indeed boosting.
I've built 2in1 boxes before fine and built many pedals, I've double checked my true bypass wiring (as I assumed it was just an issue there) and everything is testing fine on the multimeter, so I'm not sure what's going on.
The pedals are in series, so I'm thinking perhaps there's some voltage issue going on?
Might try putting them in parallel to see if they're working then
One is a Rangemaster style treble booster that's a bit smoother and boosts some mids too,
the other is a straight full boost that gets into slightly fuzzy territory when cranked.
Breadboarded them both up to sort out part values etc, then built up vero board versions.
When built they tested fine in my test board unit, everything worked.
As soon as I built them into the pedal with switching etc, all of a sudden I'm getting no sound.
Sound works when bypassed, but when either effect is engaged the signal goes dead.
The circuits are still working because audio probing at the input and output of each board shows that they are indeed boosting.
I've built 2in1 boxes before fine and built many pedals, I've double checked my true bypass wiring (as I assumed it was just an issue there) and everything is testing fine on the multimeter, so I'm not sure what's going on.
The pedals are in series, so I'm thinking perhaps there's some voltage issue going on?
Might try putting them in parallel to see if they're working then