spi's latest activity

I've seen a lot of misinformation about the OP07 and the compensation cap--I think it's partly because Proco left it in the circuit even...

Yo, I’m finally getting around to trying my hand at building my first amp, a Benson Monarch. Thanks again to demetris who was able to...

I bought one of those spanner wrenches. I think I used it once on an amp. It's nice to have when you need it, but hasn't proven to be...

jb weld

Welcome. It's tradition to show a gut shot as well!

Using an enclosure and some parts I had laying around, in addition to new componets, I managed to make this thing... It is based on the...

I didn't save it. Did you try reaching out to @bean? You might also have better luck on his forum.

I solved the output problem by adding my own design etched PCB of a clean Jfet booster. Now it's adjustable with more than enough and...

I just finished this one, a NostalgiTone CitrusAmp in a 1590B2. it's their take on an Orange amplifier in a pedal , and IMO it's pretty...

All of the 250 Preamps please. New kit from Other* Pedals. Just comes with the PCB and Tayda UV printed Enclosure. 9 rotary switches...