I'm thinking Barbershop (PedalPCB Chop Shop), but it's limited in its EQ abilities.
Compare to Fairfield Circuitry Barbershop
www.pedalpcb.com
A few Harp Players I know like to blast through Fender Champs, 5E3 or even a Blues Jr... so maybe a Fender AIAB ?
Drive 55
Compare to Catalinbread Formula 55
Compare to Catalinbread Formula 55
www.pedalpcb.com
ORRR...
These would be the ones I'd explore, but then I blow at playing harp (I've heard you actually have to suck at it):
Blues Captain Overdrive
Compare to MI Blue Boy Deluxe
Compare to MI Blue Boy Deluxe
www.pedalpcb.com
Blues Lawyer Overdrive
Compare to MI Audio Super Blues Pro
Compare to MI Audio Super Blues Pro
www.pedalpcb.com
Complex Overdrive
Compare to Friedman Smallbox Overdrive
Compare to Friedman Smallbox Overdrive
www.pedalpcb.com
Dirty Sanchez OD
Compare to Friedman Dirty Shirley
Compare to Friedman Dirty Shirley
www.pedalpcb.com
Little Debbie
Compare to Friedman BE-OD and Dirty Shirley
Compare to Friedman BE-OD and Dirty Shirley
www.pedalpcb.com
Decadence Preamp
Compare to Peavey Decade
Compare to Peavey Decade Preamp
www.pedalpcb.com
Derailer Overdrive
Compare to Ethos TWE-1
Compare to Ethos TWE-1
www.pedalpcb.com
Frost Drive
Compare to VFE Ice Scream
Compare to VFE Ice Scream
www.pedalpcb.com
Sea Monk Overdrive
Compare to VFE Merman
Compare to VFE Merman
www.pedalpcb.com
Lamb Chop
Compare to Way Huge Pork Loin
Compare to Way Huge Pork Loin
www.pedalpcb.com
Mojito Deluxe Overdrive (Boneyard Edition)
PedalPCB Custom Shop
PedalPCB Custom Shop
www.pedalpcb.com
Mystery Machine
Compare to Castledine Magical Mystery Box
www.pedalpcb.com
Stockade Overdrive
Compare to EQD Palisades
Compare to EQD Palisades
www.pedalpcb.com
Valve Stem Overdrive
Compare to MI Audio Tube Zone
Compare to MI Audio Tube Zone
www.pedalpcb.com