Fender Rumble 75 preset

Verified · 92/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The 2009 Rumble 75 is a solid-state Fender bass combo with a 12-inch speaker for practice and small gigs. Its single channel has Gain, a footswitchable Overdrive circuit with a Blend control, Bass, Low Mid, High Mid and Treble, and a master Volume, plus a switchable output limiter. An aux input, headphone jack and line out make it useful at home or into a PA; the power amp tests at about 75 watts into 8 ohms.

• Wattage: 75W
• Channels: 1

Tags: bass, solid-state, clean, high-wattage, american.

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.