What tubes does the Valco Gretsch6157 use?

The Valco Gretsch6157 uses 2× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Valco Gretsch6157 produced?

The Valco Gretsch6157 was produced 1961–1966.

Valco Gretsch6157 preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Gretsch 6157 was a higher-specification Valco-built combo in the Gretsch amplifier range, incorporating tremolo and possibly reverb on some versions. Its output stage delivered a fuller, more powerful sound than the smaller Gretsch models, making it suitable for professional gigging alongside Gretsch electric guitars. These Gretsch/Valco amplifiers are prized by players and collectors who appreciate the vintage American combo aesthetic.

Years produced: 1961–1966
Made in: USA
Channels: 2
Preamp tubes: 2× 12AX7
Power tubes: 2× 6L6

Tags: american.

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.