Detail 01
Boost placement
The boost can be set before or after the preamp stage for two routing choices.

Independent shopping perspective
JIMS 800 is a compact black preamp pedal built around component-based Ampworx modeling of a vintage JCM800 dual-channel preamp. It provides a hotter lead voice alongside a crunch rhythm voice, with independent channel controls for arranging both before a performance. Gain, Boost, Level, Bass, Mid, Treble and Presence give you tone-shaping access at the pedal. Cabinet simulation, a balanced 1/4-inch output and a stereo headphone output extend it to direct recording, live routing or quiet sessions.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
The boost can be set before or after the preamp stage for two routing choices.
Detail 02
The cabinet simulation uses a Celestion G12-65 speaker IR.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. It has dual-channel operation with a hotter lead voicing and a crunch rhythm voicing.
Yes. A balanced 1/4-inch TRS direct output with cabinet simulation is specified.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.