What tubes does the Orange Jim Root #4 Terror use?

The Orange Jim Root #4 Terror uses 3× 12AX7, 1× 12AT7 preamp tubes and 2× EL84 power tubes.

Who famously used the Orange Jim Root #4 Terror?

Jim Root are among the notable players associated with the Orange Jim Root #4 Terror.

Orange Jim Root #4 Terror preset

verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Jim Root #4 Terror is Orange's signature lunchbox head for Slipknot guitarist Jim Root. It is a compact, single-channel, 15-watt head. Three 12AX7s handle the gain stages, with a dual-gang gain control, bass/middle/treble and volume. A 12AT7 buffers the effects loop, and a pair of EL84s drives the speaker. It is voiced for tight modern rock and metal.

Introduced: 2012
Made in: UK
Wattage: 15W
Channels: 1
Preamp tubes: 3× 12AX7, 1× 12AT7
Power tubes: 2× EL84

Known for: Jim Root.

Tags: british, modern, high-gain, el84, low-wattage.

Schematic-derived preset files for the Neural DSP Quad Cortex and 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

Gridleak extracts amp parameters from original circuit schematics using AI vision — component values, gain staging, tone stack topology, tube types — then generates native preset files for every supported modeler. Every extraction is scored 0–100 and the score is published.