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Fulltone FB-3 JFET class A boost / preamp - $100 (NW Portland)
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Selling a Fulltone Fat-Boost FB-3 in excellent working condition. This is a highly versatile clean boost / tone-shaping preamp that can go from transparent boost to fat, harmonically rich drive.
🎛️ Features:
Up to ~35dB of gain
Bass and Treble controls for precise tone shaping
Drive control for adding warmth and grit
High-quality Class-A FET design
True bypass switching
🎸 Why it’s great:
This isn’t just a boost—it’s a mini preamp. Perfect for:
Thickening single coils
Pushing your amp into natural breakup
Adding clarity or low-end fullness
Always-on tone enhancement
Works great at the front of your chain or as a tone shaper in the loop.
🧼 Condition:
Fully functional, no issues
Light cosmetic wear from normal use
Velcro on bottom (removable if needed)
👉 Killer boost for players who want more than just volume—adds character, warmth, and control.