Acoustic 470 - Channel A preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Acoustic 470 is a solid-state lead/bass guitar head from Acoustic Control Corp rated at 170 watts RMS into 4 ohms. It pairs bass, middle and treble controls with a 5-band graphic EQ, and adds tremolo, spring reverb, a bright switch and a built-in distortion circuit.

Tags: american, solid-state, vintage, high-wattage, reverb, tremolo, two-channel.

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.