What tubes does the Gibson Ga5 use?

The Gibson Ga5 uses 1× 12AX7 preamp tubes and 1× 6V6 power tubes.

When was the Gibson Ga5 produced?

The Gibson Ga5 was produced 1954–1958.

Gibson Ga5 preset

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

The Gibson GA-5 is a small single-ended student combo from the mid-1950s, producing around 4 watts through a single 6V6 output tube. Modest in power but charming in tone, the GA-5 delivers warm, harmonically rich clean sounds that break up sweetly when pushed. It served the student and beginner market during the Les Paul era and is now prized for its natural power amp overdrive at low volumes. Single-ended 6V6 designs like the GA-5 have become beloved among recording guitarists for their touch-sensitive, vintage character.

Years produced: 1954–1958
Made in: USA
Wattage: 4W
Channels: 1
Preamp tubes: 1× 12AX7
Power tubes: 1× 6V6

Tags: american, clean, vintage.

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.