What tubes does the Sound City Sound City Bass 150W use?

The Sound City Sound City Bass 150W uses 3× ECC83 preamp tubes and 4× EL34 power tubes.

When was the Sound City Sound City Bass 150W produced?

The Sound City Sound City Bass 150W was produced 1970–1975.

Sound City Sound City Bass 150W preset

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

The Sound City Bass 150W was a high-powered amplifier head purpose-built for professional bass players who needed clean, authoritative output on large stages. The 150-watt design provided ample headroom while the all-tube circuit contributed warmth and harmonic complexity that enhanced the natural character of the bass guitar. Dallas Arbiter built these to touring standards, and surviving examples are prized by vintage bass amp collectors.

Years produced: 1970–1975
Made in: UK
Wattage: 150W
Channels: 2
Preamp tubes: 3× ECC83
Power tubes: 4× EL34

Tags: british, vintage, bass.

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.