Detail 01
Hi-Lo switch
Lo is voiced for a cleaner vintage-tweed response; Hi adds the higher-gain response described as a hot-rodded tube swap.
Product detailSKU #1500000392111
CatalinbreadFormula 55 Tweed Deluxe-style Overdrive Effects Pedal Black and Silver
aggressivehigh outputwarmmetalrockhard rock
1/3
Independent shopping perspective
The Korena take
Formula 55 is a foundation overdrive built around the preamp section of a tweed 5E3 Deluxe, using an all-discrete JFET signal path. Its volume and tone controls follow that circuit, while the output section is designed for punch, volume, and a low output impedance into an amp. Use Lo for the cleaner vintage-tweed response, or switch to Hi for the higher-gain character associated with hotter tubes.
Strong match
Who this is for
- Shaping an amp-driven rig with tweed 5E3 Deluxe-style preamp response.
- Switching between cleaner vintage-tweed settings and a higher-gain mode during a set.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Low output impedance
The output section is designed to drive an amplifier while providing punch and volume.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What changes between Lo and Hi?
Lo delivers the cleaner vintage-tweed response. Hi provides the higher-gain response described as swapping to hotter tubes.
02What circuit is Formula 55 based on?
It reproduces the preamp section of a classic Fender tweed 5E3 Deluxe through an all-discrete JFET signal path.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Black
1 detailsSize & weight
- Weight
- 1.1
