Crate VC-50 - Dirty preset

Verified · 86/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The VC-50 is a 50-watt all-tube head in Crate's Vintage Club series. A clean channel (volume, treble, bass) and a dirty channel (gain, treble, mid, bass, level) are footswitched with photocells. Each channel has its own reverb level for the op-amp-driven spring reverb. There is an effects loop, and a 12AX7 driver runs four EL84s.

• Made in: USA
• Wattage: 50W
• Channels: 2
• Preamp tubes: 4× 12AX7
• Power tubes: 4× EL84

Tags: american, el84, reverb, mid-wattage, two-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.