Marshall JMP-1 MIDI Valve Preamp

The Marshall JMP-1 is a classic 1U MIDI programmable valve preamp, combining genuine tube circuitry with the distinctive Marshall sound. Widely used in professional guitar rigs, it offers programmable clean and overdrive tones with comprehensive MIDI control.

Technical

Programmable valve guitar preamplifier.
2 × ECC83 / 12AX7 tubes.
Clean and overdrive channels.
Programmable gain, EQ and output settings.
Built-in effects loop.
MIDI In, Out and Thru connectivity.
Audio input/output: 1/4" jack connections.
Original 220V European version.
For use in 110–120V countries, a simple and inexpensive external step-up voltage converter can be used.
All controls and functions operate as expected.

Condition

Excellent cosmetic condition for its age.
Minor signs of wear consistent with the unit's age and normal use.
Please refer to the photos for the overall cosmetic condition.

------

Our service :

* FULLY TESTED & SERVICED
This item has been thoroughly tested, professionally cleaned, and fully serviced by our technicians. It is ready to use. Any issues, if present, are clearly described above. Any included accessories are listed.
* WARRANTY
The item comes with an invoice and a 14-day warranty from the delivery date.
* SECURE PACKAGING
Professionally packed, fully insured, and carefully protected for shipping.
* FAST & WORLDWIDE SHIPPING
Items usually ship within 1 business day. Worldwide shipping with tracking and all required customs documentation.

------

Search For Opals is based in Aywaille, Belgium, specialising in vintage synthesizers, professional audio equipment, and carefully selected musical instruments. If you have any questions, feel free to get in touch!