30-day satisfaction guarantee or your money back
Call us : +33 257 880 074
en 
The Formula No.55 belongs to the "foundation" overdrive family: instead of adding distortion on top of your sound, it aims to transform your amp's foundation by recreating the character of a Fender Tweed Deluxe 5E3. It captures the idea of a tweed amp that is big, lively, and rich in harmonics, with that preamp feel that "breathes" and responds to your playing.
This overdrive is designed for guitarists seeking an immediately usable vintage amp tone, from intermediate players to seasoned musicians. It excels in blues, classic rock, garage, country, roots, but also remains musical in jazz and funk when a warm crunch is preferred over modern distortion.
On a pedalboard, it can serve as a permanently-on "tweed" channel, or as a base to stack with a boost, fuzz, or another overdrive. In both studio and live settings, it's ideal for thickening a too-hi-fi clean tone, adding bite to a neutral combo, or bringing out the mids without sacrificing dynamics.
The Formula No.55 adopts a very "amp-like" approach: Volume and Tone are designed to replicate the response and interaction of the 5E3 circuit, while the output stage is engineered to deliver punch and level with a low output impedance, allowing it to drive your amp credibly.
The Lo switch favors a clearer, more "vintage tweed" response. In Hi, it shifts to a beefier, higher gain feel, perfect for growling rhythms and thickening leads without becoming muddy.
Depending on the version and specifications, Master (output level) and Presence (attack and brightness) controls are also available for fine-tuning your place in the mix, from dark amps to very bright combos.
Expect a woody, slightly granular overdrive that is highly responsive to your picking hand, with that typical tweed sensation: the sound can shift from near-clean to singing crunch just by playing harder or rolling back the guitar volume. The low end stays full, the mids come through naturally, and overall it gives the impression of a "bigger amp" than a simple combo, while maintaining real finesse in the attack.
