What tubes does the Ampeg 835-N - Normal use?

The Ampeg 835-N - Normal uses 3× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Ampeg 835-N - Normal produced?

The Ampeg 835-N - Normal was produced 1965–1968.

Ampeg 835-N - Normal preset

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

The 835-N is a mid-1960s Ampeg instrument amplifier. The Normal channel delivers clean 6L6-based tone suitable for both guitar and bass applications. Part of Ampeg's broad mid-1960s lineup that covered multiple instrument categories before the company's sharp bass amp market focus intensified.

Years produced: 1965–1968
Made in: USA
Wattage: 35W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6L6

Tags: american, vintage, mid-wattage, 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.