What tubes does the Orange Tb500 Bass Terror use?

The Orange Tb500 Bass Terror uses 2× ECC83 preamp tubes and Solid state power section power tubes.

When was the Orange Tb500 Bass Terror produced?

The Orange Tb500 Bass Terror was produced 2009–present.

Orange Tb500 Bass Terror preset

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

The Orange TB500 Bass Terror is a hybrid bass amplifier head. Its tube preamp section uses two ECC83s for warmth and grit, while a solid-state power amp delivers 500 watts for stage use. Note: bass amplifier.

Years produced: 2009–present
Made in: UK
Wattage: 500W
Channels: 1
Preamp tubes: 2× ECC83
Power tubes: Solid state power section

Tags: bass, hybrid, british, high-wattage.

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.