Marshall JMP-1 Valve MIDI Preamp Settings - Iconic Guitar Tones Dialed In on This Amp
Every iconic guitar and bass tone in our catalog tracked on a Marshall JMP-1 Valve MIDI Preamp - 1 song with original amp settings (gain, EQ, presence, volume) plus the pickup, tuning, and pedal chain to recreate each one.
- mid-forward
- crunch gain
- premium tier
Translate any of these tones to your rig
Marshall's rack-mounted, MIDI-programmable valve preamp, built around two ECC83 (12AX7) tubes, with two clean and two overdrive channels and 100 patch memories. It delivers the classic Marshall crunch from a one-space rack unit and sits ahead of a separate power amp and cabinet. Stephen Carpenter of Deftones ran one into a Marshall EL34 power amp for many years before moving to an Axe-Fx.
Median knob positions across every catalog tone that uses this amp. Useful as a starting point before you dial in a specific song.
- Gain
- 6
- Bass
- 6
- Mid
- 5
- Treble
- 6
- Presence
- 6
- Volume
- 7
Songs Recorded With the Marshall JMP-1 Valve MIDI Preamp
Other Amps in Our Catalog
Common Questions About the Marshall JMP-1 Valve MIDI Preamp
What does the Marshall JMP-1 Valve MIDI Preamp sound like?
Marshall's rack-mounted, MIDI-programmable valve preamp, built around two ECC83 (12AX7) tubes, with two clean and two overdrive channels and 100 patch memories. It delivers the classic Marshall crunch from a one-space rack unit and sits ahead of a separate power amp and cabinet. Stephen Carpenter of Deftones ran one into a Marshall EL34 power amp for many years before moving to an Axe-Fx. The most common knob positions across the songs in our catalog are summarized above.
Who plays a Marshall JMP-1 Valve MIDI Preamp?
In our catalog, Deftones is the artist who records with a Marshall JMP-1 Valve MIDI Preamp most often (1 song).
Is the Marshall JMP-1 Valve MIDI Preamp good for alternative metal?
Yes - most of the songs in our catalog that run through a Marshall JMP-1 Valve MIDI Preamp are in the alternative metal, nu metal world. The typical-settings card above shows the gain/EQ window that fits that material best.
What songs were recorded with the Marshall JMP-1 Valve MIDI Preamp?
1 song in our catalog use the Marshall JMP-1 Valve MIDI Preamp, including "Prince" by Deftones. The full list is above - each one links to the per-song settings page.
Do I need a Marshall JMP-1 Valve MIDI Preamp to play these songs?
No - that's the whole point of ToneMirror. Each per-song page describes the sound on the record, and our match engine translates it to whatever amp you actually own. Different EQ curve, same recorded result.