What tubes does the Watkins Dominator Bass use?

The Watkins Dominator Bass uses 2x ECC83 preamp tubes and 2x EL84 power tubes.

When was the Watkins Dominator Bass produced?

The Watkins Dominator Bass was produced 1961–1966.

Watkins Dominator Bass preset

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

The Watkins Dominator Bass is a bass-voiced variant of the Dominator circuit with a modified tone stack optimized for low-frequency reproduction. It was used by early British bass players as a standalone bass amplification solution before dedicated bass equipment became widely available. The Dominator Bass offers a warm, relatively clean tone with a firm midrange characteristic of early British bass amplification.

Years produced: 1961–1966
Made in: UK
Wattage: 17W
Channels: 1
Preamp tubes: 2x ECC83
Power tubes: 2x EL84

Tags: british.

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.