What tubes does the Sound City Sound City L B 100W M3234 use?

The Sound City Sound City L B 100W M3234 uses 3× ECC83 preamp tubes and 4× EL34 power tubes.

When was the Sound City Sound City L B 100W M3234 produced?

The Sound City Sound City L B 100W M3234 was produced 1968–1973.

Sound City Sound City L B 100W M3234 preset

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

The Sound City L/B 100W (model M3234) was a dual-purpose design suitable for both lead guitar and bass applications, reflecting Sound City's practical approach to amp building. The versatile EQ section and robust 100-watt output made it adaptable to a wide range of playing styles and venue sizes. Dallas Arbiter's quality construction meant these amps were built to withstand the rigors of constant touring.

Years produced: 1968–1973
Made in: UK
Wattage: 100W
Channels: 2
Preamp tubes: 3× ECC83
Power tubes: 4× EL34

Tags: british, vintage, crunch.

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.