Description
Few distortion boxes carry the mythology of the Pro Co RAT2. Since its 1988 debut, it’s been the go-to grit machine for players as varied as Jonny Greenwood, Nels Cline, Kurt Cobain, and John Scofield — proof that this circuit doesn’t care what genre you’re playing, only that you want your signal roughed up with authority.
The secret sits inside: the legendary LM308 op-amp, the chip responsible for the RAT’s signature texture. It’s not smooth, polite overdrive — it’s a jagged, slightly gristly saturation that can go from throaty crunch to full-on fuzz-adjacent mayhem depending on how hard you push the gain. That character has made it a favorite well beyond guitar; bassists reach for the RAT2 just as often, using it to add snarl and edge without losing low-end punch.
On a pedalboard, the RAT2 is refreshingly straightforward — no menus, no soft-touch switches, just controls that respond intuitively and a tone that cuts through a mix without needing to fight for space. Whether it’s your only gain stage or one voice in a stacked distortion chain, it brings an aggressive, mid-forward bite that’s instantly recognizable.
- Legendary LM308-based distortion circuit
- Signature jagged, gristly tone favored by guitarists and bassists alike
- Simple, direct control layout for fast dialing-in on any board
- A pedal history staple since 1988






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