Description
The MXR Classic 108 Fuzz M-173 takes the beloved silicon-transistor voice of a BC-108 loaded Fuzz Face and repackages it for players who’ve moved on from vintage enclosures but not vintage tone. Expect that same singing, slightly unpredictable fuzz character — thick and woolly at lower gain settings, splintering into raw, vocal-like saturation as you dig in with your pick or roll up the volume knob. It’s the sound that built entire genres, from psychedelic blues-rock to fuzzed-out garage and stoner riffs.
What sets this apart from the original circuit is practicality. MXR housed it in a rugged Phase 100-sized enclosure finished in a striking hammer-tone turquoise, so it survives life on a crowded board rather than a studio shelf. True bypass switching with an LED indicator keeps your signal clean when off and lets you see status at a stage glance, while a battery door and optional AC power give you flexibility in setup.
One key addition: a Buffer switch. Fuzz Face-style circuits are notoriously fussy about what sits in front of them — wah pedals in particular can trigger ugly oscillation or a hollowed-out tone. Flipping the buffer in tames that interaction, so you can finally run wah into fuzz without fighting your rig.
- Vintage BC-108 Fuzz Face circuit in modern pedal form
- Buffer switch to prevent oscillation with wah pedals ahead in the chain
- True bypass switching with LED status indicator
- Battery door plus optional AC power operation
- Durable Phase 100-sized enclosure, hammer-tone turquoise finish
Place it early in your chain, right where fuzz circuits like this want to live, and let it react to your guitar’s volume and pickups the way vintage fuzz always has.






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