What tubes does the Fender Champ 5E1 Lo use?

The Fender Champ 5E1 Lo uses 1× 12AX7 preamp tubes and 1× 6V6 power tubes.

When was the Fender Champ 5E1 Lo produced?

The Fender Champ 5E1 Lo was produced 1955–1957.

Fender Champ 5E1 Lo preset

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

The Champ 5E1 is a narrow-panel tweed Champ — one of the simplest tube amplifiers ever designed. At 4 watts with a single 6V6 and an 8-inch speaker, its Class A single-ended circuit produces rich harmonic character when pushed, making it a treasured recording tool.

Years produced: 1955–1957
Made in: USA
Wattage: 4W
Channels: 1
Preamp tubes: 1× 12AX7
Power tubes: 1× 6V6

Tags: american, tweed, vintage, breakup, recording.

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.