What tubes does the Fender Twin-Amp 5E8-A - Bright use?

The Fender Twin-Amp 5E8-A - Bright uses 3× 12AY7, 1× 12AX7 preamp tubes and 2× 6L6G power tubes.

When was the Fender Twin-Amp 5E8-A - Bright produced?

The Fender Twin-Amp 5E8-A - Bright was produced 1956–1957.

Fender Twin-Amp 5E8-A - Bright preset

Verified · 92/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Twin-Amp 5E8-A is the revised narrow-panel tweed Twin, a 2×12 combo with two channels, each with two inputs and its own volume, sharing treble, bass and presence controls. Three 12AY7s handle the input and recovery stages and a 12AX7 gain stage and split-load inverter drive a fixed-bias pair of 6L6Gs on twin 5U4GA rectifiers, giving the punchy, full tweed clean voice with plenty of headroom.

Years produced: 1956–1957
Made in: USA
Wattage: 40W
Channels: 2
Preamp tubes: 3× 12AY7, 1× 12AX7
Power tubes: 2× 6L6G

Tags: american, vintage, tweed, clean, 6l6.

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.