What tubes does the Fender Twin Amp 5C8 Lo use?

The Fender Twin Amp 5C8 Lo uses 2× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Fender Twin Amp 5C8 Lo produced?

The Fender Twin Amp 5C8 Lo was produced 1954–1955.

Fender Twin Amp 5C8 Lo preset

Close · 75/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Twin Amp 5C8 is a wide-panel tweed Twin at 25 watts through two 6L6 output tubes with two 12-inch speakers. An earlier, lower-powered precursor to the landmark 5E8 and 5F8 models, it establishes the Twin's clean, expansive character.

Years produced: 1954–1955
Made in: USA
Wattage: 25W
Channels: 2
Preamp tubes: 2× 12AX7
Power tubes: 2× 6L6

Tags: american, tweed, 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.