Greer Amps 390 Vintage OD Preamp Overdrive

The Greer Amps 390 Vintage OD Preamp is our take on the vintage DOD 250 circuits with tons of tweaks and upgrades. Have we simply rebuilt an old pedal? No. We’ve improved the circuit where it could be, and upgraded the signal path components to the highest quality components available. Looking for a preamp, boost, or overdrive that can crunch out? You found it. Order yours today at