What tubes does the Fender Twin-Amp 5C8 - Bright use?

The Fender Twin-Amp 5C8 - Bright uses 3× 6SC7, 1× 6J5 preamp tubes and 2× 6L6 power tubes.

When was the Fender Twin-Amp 5C8 - Bright produced?

The Fender Twin-Amp 5C8 - Bright was produced 1952–1954.

Fender Twin-Amp 5C8 - Bright preset

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

The Twin-Amp 5C8 is the first tweed Fender Twin of the early 1950s, a 2×12 combo with Instrument and Microphone channels, each with two inputs and its own volume, sharing bass and treble controls. Octal 6SC7 twin triodes handle the input stages and paraphase inverter with a 6J5 gain stage between, driving a cathode-biased pair of 6L6 (5881) output valves on a 5U4G rectifier.

Years produced: 1952–1954
Made in: USA
Channels: 2
Preamp tubes: 3× 6SC7, 1× 6J5
Power tubes: 2× 6L6

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.