Here's a transistor based overdrive I came across on FSB . Demos sound interesting, so give it ago. Easy fit in a 1590B.

 Here's a popular drive box from Greer Amps. It's essentially a Distortion +/DOD 250 but with a modified gain control, LED clipping ...

 Here's a really great sounding overdrive from Hudson Electronics. The Sidecar is loosely based on the Tube Screamer with a 2-band Baxen...

 Happy Fuzz Friday everyone! This one recently got traced on the Aion blog (so go check out the full write up over there for more info and ...

 Just stumbled across this on FSB. It's a tap tempo + modulation add on for PT2399 delays designed by Electric Canary . It is digital so...

 Happy New Year, everybody!  This one recently got traced over on FSB. The 25th Anniversary edition of the Red Llama has an added hi cut ton...

 Here's a little something I whipped up the other night on a whim. Actually built it on the fly before I even drew up a layout. I was tr...