Used Music Gear & Audio Marketplace - Gear Exchange
Used Catalinbread Formula 55 Overdrive
Excellent Condition
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$98.00
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February 4, 2026.
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Item Description
Listed 7 months ago
Original colorway! Excellent condition. Includes original box and cloth bag. If you're a fan of or curious about the Fairfield Circuitry Barbershop, I spent a lot of time A/B-ing the two and found the 55 can get all of those tones and more.
From Catalinbread:
The Formula No. 55 is a Foundation Overdrive that reproduces, in exact detail, the preamp section of the classic Fender™ tweed 5E3 Deluxe using an all-discrete JFET-based signal path. The Volume and Tone controls replicate, part for part, the circuitry of the 5E3, giving you authentic tweed amp response. The output section is designed to give you punch and volume with a low output impedance to drive your amp perfectly. Set the Hi-Lo button to "Lo" for the cleaner response of a vintage tweed. "Hi" is like hot rodding your amp by swapping in higher gain tubes.
From Catalinbread:
The Formula No. 55 is a Foundation Overdrive that reproduces, in exact detail, the preamp section of the classic Fender™ tweed 5E3 Deluxe using an all-discrete JFET-based signal path. The Volume and Tone controls replicate, part for part, the circuitry of the 5E3, giving you authentic tweed amp response. The output section is designed to give you punch and volume with a low output impedance to drive your amp perfectly. Set the Hi-Lo button to "Lo" for the cleaner response of a vintage tweed. "Hi" is like hot rodding your amp by swapping in higher gain tubes.
