Broughton Audio HPF/LPF with clean boost, new and boxed => 163GBP - Effects For Sale - Basschat
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
NPD Broughton High Pass Low Pass Filter : r/basspedals
Used Broughton Audio High Pass Filter Effect Pedal | Musician's Friend