Only 25 of these are available worldwide! Extremely limited.
This is part of our Foundation Celebration series, where we honor the amps and circuitry that inspired our Foundation overdrive pedals.
Big and powerful, yet refined, the Formula No. 55 melts into your amp, transforming it into a wide ranging tweed monster!
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.
Starting Point
OK, got your guitar all tuned up?
Let’s start by setting the Formula No.55 in LO/GREEN mode (mode switch in the up position), PRESENCE - noon, TONE - noon, VOLUME - noon, and MASTER around 10:00. Go ahead and jam for a while through this setting. You should hear a nice mild cleanish overdrive (you may need to turn up the VOLUME control a little more if you’re using lower output pickups) with a fatness in the low mids that is inherent to the design regardless of TONE setting. Roll the volume control on your guitar back and you should hear the sound clean up really nicely. Now, go ahead and explore the PRESENCE and TONE controls to hear how they affect the EQing. Okay once you’ve got those two set to where you like them let’s crank up the VOLUME control all the way - play a palm-muted chord line and listen to the quality of the grit and the low end resonance that makes it seem like your cab is breathing. Nice, right? Now rip an open chord and let it ring - lots of grind up front that has fullness and clarity as it decays. Notice that ‘cab thump’ when you palm muted has disappeared and the low end got more focused and tightened up when you hit it hard? Now lay back with your picking hand with the guitar volume up full - IT’S CLEAN!
Okay on to the HI / RED mode!
BEFORE YOU PUSH THAT BUTTON let’s roll the VOLUME control back to about 9:00 -you’re basically picking up where LO / GREEN mode with the VOLUME cranked left off.
Notice the signal feels more ‘hyped’ - hotter, with lots of stored potential at your pick. Hit it hard and let it ring! Now lay back and brush the strings lightly - yep, still dynamic. Take the VOLUME up to noon and camp out here for awhile paying attention to the attack and dynamic characteristics - it’s fuller but still tight with lots of string definition when you lay into it. And of course it's still cleaning up when you want it. Now dime that VOLUME control!
Oh God. Yep. There it is.
Feel that? That elastic ‘sag’ when you smack it that blooms out bigger than the initial attack? So good. But wait - lay back again and brush those strings - WHOA. Now roll back your guitar volume and get at those tweed cleans. You’re probably gonna lose an hour or two here so it seems like a good time to bring this section to a close. Enjoy!
Controls
The HI / LO switch offers two discrete gain modes
Power Supply
| SKU | CLB-FORMULA55FOUND |
|---|---|
| Brand | Catalinbread |
| Weight | 0.710000 |
| Refund period | 35 days |
|---|
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