Other/unknown Broughton High Pass Filter - Pedal on ModularGrid
Pcdh19 Pedals for a Cure auction - Pedal-building genius Josh Broughton of Broughton Audio generously designed this unique overdrive circuit specifically for this auction, and it is AWESOME. I'll be bidding on
Effects | Broughton Audio
Used Broughton Low + High Pass Filter Bass Effect Pedal | Musician's Friend
Pre-Owned Broughton Fliptop Preamp - Five Star Guitars