The Marshall JMP-1 is a legendary 1U rackmount MIDI tube preamp that brings authentic Marshall tone into the world of programmable rigs. Combining two ECC83/12AX7 valves with digital control, it offers the warmth, dynamics, and punch of classic Marshall amplifiers with the flexibility of 100 fully programmable patches.

The JMP-1 features four fully independent channels—Clean 1, Clean 2, OD1, and OD2—covering everything from sparkling cleans to searing high-gain leads. Each patch can store gain, EQ, volume, and presence settings, allowing instant recall via front panel controls or MIDI. Stereo outputs, speaker-emulated outs, and an effects loop make it equally at home in the studio or on stage.

Key Features:

• All-valve front end with 2x ECC83/12AX7 preamp tubes
• 4 programmable channels: Clean 1, Clean 2, OD1, OD2
• 100 user-programmable patches with MIDI in/out/thru
• Stereo and speaker-emulated outputs for direct recording or live use
• Programmable effects loop and MIDI mapping for seamless integration
• 1U rackmount design for professional rigs

Favoured by players from rock and metal to pop and fusion, the Marshall JMP-1 delivers the unmistakable Marshall roar in a compact, versatile format—perfect for modern guitarists who need both tone and control.

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