What tubes does the Ampeg R-15-R Superbreverb - Main use?

The Ampeg R-15-R Superbreverb - Main uses 3× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Ampeg R-15-R Superbreverb - Main produced?

The Ampeg R-15-R Superbreverb - Main was produced 1966–1970.

Ampeg R-15-R Superbreverb - Main preset

Close · 72/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The R-15-R Superbreverb Main channel schematic provides an alternate documentation source for Ampeg's 15-inch speaker reverb guitar combo. The warm 6L6 tone through the 15-inch driver with spring reverb produces the full, atmospheric sound that earned the Super Reverb its name.

Years produced: 1966–1970
Made in: USA
Wattage: 30W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6L6

Tags: guitar, american, vintage, low-wattage, reverb, 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.