Rivera Model S 120 M60 M100 Combo Preamp preset

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

Preamp schematic for the Rivera S120, M60, and M100 combo models. Documents the ECC83-based two-channel preamp section delivering Rivera's clean and gain voicings.

• Years produced: 1990s–2000s
• Made in: USA
• Wattage: 120W
• Channels: 2
• Preamp tubes: 5× ECC83
• Power tubes: 6L6

Tags: american, boutique, 6l6, sub-circuit.

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.