SG SG-100 Bass - Channel 1 preset

Verified · 86/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The SG-100 Bass is a hybrid bass amp from CMI, Gibson's parent company, sold under the SG name. Two solid-state preamp channels are mixed into a 12AX7 long-tail phase inverter, which drives a pair of 8417 output tubes for 100 watts.

• Made in: USA
• Wattage: 100W
• Channels: 2
• Preamp tubes: 1× 12AX7
• Power tubes: 2× 8417

Tags: american, bass, hybrid, vintage, two-channel, high-wattage.

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.