Acoustic 727 - Main preset

Verified · 82/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Acoustic 727 is a standalone power amplifier from Acoustic Control Corp designed for use with a separate preamp in professional rack-based systems. It delivers the brand's characteristic clean, high-headroom solid-state power with the reliability expected from professional sound reinforcement equipment. The 727 was used in studio and touring rigs where a flexible, high-quality power amp was needed.

• Years produced: 1970s
• Made in: USA
• Channels: 1

Tags: american, solid-state, 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.