What tubes does the Carvin SX300C Channel use?

The Carvin SX300C Channel uses 3× 12AX7 preamp tubes.

When was the Carvin SX300C Channel produced?

The Carvin SX300C Channel was produced 1980s–1990s.

Carvin SX300C Channel preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Carvin SX300C Channel is the channel section schematic for the SX300C guitar combo, documenting the clean and overdrive channel voicings.

Years produced: 1980s–1990s
Made in: USA
Channels: 2
Preamp tubes: 3× 12AX7

Tags: american, clean, 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.