Bolt+

A sharp, articulate preamp/boost designed to snap your tone into focus. Built around a high-gain BC550C transistor running a voiced, harmonically rich boost stage with lively attack and controlled low end.

The circuit is intentionally shaped with tightened lows, present upper mids, clean fast transient response, slight natural compression, and subtle harmonic lift. A functional tone knob provides additional tonal shaping.

Ideal for pushing a tube amp into saturation or adding cut and definition to any rig. Designed as a responsive, always-on tone enhancer. Handmade near Philadelphia, PA.