What tubes does the Randall RGT 100 - Ch A use?

The Randall RGT 100 - Ch A uses 4× 12AX7 preamp tubes and 4× EL34 power tubes.

When was the Randall RGT 100 - Ch A produced?

The Randall RGT 100 - Ch A was produced 2000s.

Randall RGT 100 - Ch A preset

Verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Randall RGT 100 is a two-channel, 100-watt all-tube head from Randall's tube-focused lineup, delivering a highly versatile tonal range from clean to high-gain territory. It represents Randall's successful transition from solid-state dominance into the boutique tube market, featuring tighter low-end response and harmonically complex high-gain tones. The RGT series was embraced by hard rock and metal guitarists seeking the Randall brand quality in an all-tube format.

Years produced: 2000s
Made in: USA
Wattage: 100W
Channels: 2
Preamp tubes: 4× 12AX7
Power tubes: 4× EL34

Tags: american, high-gain, modern.

Schematic-derived preset files for 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.