Bogen Challenger CH60 - Mic 1 preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Bogen Challenger CH60 is a 60-watt tube PA amplifier from the Challenger series of American commercial audio manufacturer Bogen, offering substantial output power for larger venues and institutional sound reinforcement. The Challenger series represented Bogen's higher-power lineup, built with quality components for reliable long-term service in demanding commercial environments. These units are sought after by vintage amp enthusiasts for modification and repurposing as guitar amplifiers.

Tags: american, 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.