Custom Audio Electronics 3+ SE - Overdrive 1 preset

Verified · 84/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The CAE 3+ SE is the three-channel tube rack preamp from Bob Bradshaw's Custom Audio Electronics. Its Clean and two Overdrive channels, built around seven 12AX7s, powered many of the biggest touring rigs of the 1990s and 2000s.

• Made in: USA
• Channels: 3
• Preamp tubes: 7× 12AX7

Tags: american, boutique, preamp, high-gain, multi-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.