Fender Vibroverb 6G16 preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Vibroverb 6G16 is a rare brownface/early blackface amp and one of the first Fender designs to include built-in reverb. Produced only briefly in 1963, its brown Tolex, 1×15 speaker, and onboard reverb and vibrato circuits made it historically significant and highly sought after by collectors.

• Years produced: 1963
• Made in: USA
• Wattage: 35W
• Channels: 2
• Preamp tubes: 4× 12AX7, 1× 12AT7
• Power tubes: 2× 6L6

Known for: Stevie Ray Vaughan.

Tags: american, clean, brownface, reverb, vintage.

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.