Gibson GA-5T Skylark (1961) - Normal preset

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

The Gibson GA-5T Skylark from 1961 was a compact student amp featuring tremolo, which made it more feature-rich than most amps at its price point. The single-ended 6V6 output produced warm, harmonically rich tones that have since become highly sought after by blues and garage rock players.

• Years produced: 1960–1963
• Made in: US
• Wattage: 4W
• Channels: 1
• Preamp tubes: 1× 12AX7
• Power tubes: 1× 6V6

Tags: american, vintage, clean.

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.