Bogen K15/K15Y - Aux preset

Close · 62/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Bogen K15 and K15Y are 15-watt tube PA amplifiers from American commercial audio manufacturer Bogen, designed for compact public address in small rooms and institutional settings. The K15Y likely represents a variant with minor circuit differences for specific application requirements. These small Bogen PA units are popular among vintage amp enthusiasts and guitar players who appreciate their accessible tube character and modification potential.

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.