Amps that pair well with the Catalinbread Formula 55

Dumble Overdrive Special Amp Head

The Formula 55's tweed-amp sag and bloom echo the Dumble's own touch-sensitive breakup, so stacking the two doubles down on that feel rather than clashing.

Fender Vibrolux 6G11

The Formula 55's tweed-amp sag and bloom echo the Vibrolux's own vintage Fender character.

Dumble Steel String Singer

The Formula 55's tweed-amp sag and bloom echo the Dumble's own liquid, touch-sensitive breakup.

Peavey Classic 30 II 2-Channel 30W 1x12 Combo

Into the Classic 30's warm tube breakup, the Formula 55's sagging, bloomy drive pushes it further rather than just adding volume.

Two-Rock Vintage Deluxe 6L6 35W 1x12 Combo

The Vintage Deluxe's glassy, uncompressed sag gives the Formula 55's own bright, sagging overdrive an even more dynamic front end to build on.

Two-Rock Classic Reverb Signature 6V6 40W 1x12 Combo

Push the Classic Reverb's club-ready, transformer-driven headroom with the Formula 55's own bright, sagging overdrive and it blooms naturally.

Bruno Cowtipper 45

Stack the Formula 55's tweed-voiced sag ahead of the Cowtipper 45 and the amp's own breakup blooms further instead of just getting louder.

Fender Dual Showman

Where this leans warm, Catalinbread Formula 55 answers back bright

Fender Vibro-King Custom 60W 3x10 Tube Guitar Combo Amp

Catalinbread Formula 55's bright balances out the warm tone

Plush P1000 70's USA All-Tube Amp Head

Catalinbread Formula 55 leans bright right where the warm tone needs it

Mesa Boogie California Tweed 6V6 2:20 Head

Run Catalinbread Formula 55 after it and the warm edge settles into something more bright

Fender Kingfish Signature Humbucker Pickup Set

Catalinbread Formula 55's bright balances out the warm tone

Fuchs Full House 50 Head

Run Catalinbread Formula 55 after it and the warm edge settles into something more bright

Two-Rock Vintage Deluxe 6V6 40W 1x12 Combo

Into Two-Rock Vintage Deluxe 6V6 40W 1x12 Combo, Catalinbread Formula 55 is right at home: it's built around Dumble-style amps

Fuchs ODH

Catalinbread Formula 55's own voicing points at Dumble-style amps, and Fuchs ODH delivers it

Amplified Nation Trem-Drive Deluxe Head

The Formula 55's bright, natural sag-driven overdrive stacks with the Trem-Drive Head's own roots-voiced drive for a richer push.

Synergy OS module

Into Synergy OS module, Catalinbread Formula 55 is right at home: it's built around Dumble-style amps

Fender Artist Signature EC Twinolux

Catalinbread Formula 55 leans toward bright, and that's a real, usable character to pair with

Amplified Nation Trem-Drive Deluxe Combo

The Formula 55's bright, natural sag-driven overdrive stacks with the Trem-Drive combo's own classic-rock drive for a richer push.

Fuchs ODS II Custom 25/50 Combo

Run Catalinbread Formula 55 after it and the warm edge settles into something more bright

Two-Rock Vintage Deluxe 6V6 40W Head

Catalinbread Formula 55 is voiced for Dumble-style amps — Two-Rock Vintage Deluxe 6V6 40W Head gives it exactly that

Fender '68 Custom Princeton Reverb 12W 1x10 Tube Guitar

Where this leans warm, Catalinbread Formula 55 answers back bright

Fender 'Black Panel' Vibro Champ Amp (1964-1967)

What Catalinbread Formula 55 brings here leans toward bright — that's worth building a pairing around

Fuchs Blackjack21 MKII 112

Catalinbread Formula 55 leans bright right where the warm tone needs it