Used Marshall JMP1 Guitar Preamp

Used Marshall JMP-1 Guitar Preamp in great condition, delivering classic Marshall tone with studio-ready versatility. This 1U rackmount, all-tube/solid-state hybrid features two 12AX7 tubes, 4 programmable channels (Clean 1, Clean 2, OD 1, OD 2), 100 MIDI-storable presets, and built-in digital reverb for lush space. Includes stereo effects loop, speaker-emulated recording outputs, and standard line outs for easy integration with amps, power amps, or recording rigs.