What tubes does the Carvin Sx300R 2 use?

The Carvin Sx300R 2 uses 12AX7 x5 preamp tubes and 6L6 x8 power tubes.

When was the Carvin Sx300R 2 produced?

The Carvin Sx300R 2 was produced 1995–2002.

Carvin Sx300R 2 preset

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

The Carvin SX300R is a 300-watt guitar amplifier head from the mid-to-late 1990s, the R suffix denoting an onboard effects loop and reverb. This schematic is page two of the multi-page document, covering the power amplifier and effects routing sections. The SX300R represents Carvin's highest-output guitar amplifier of the era, blending high-gain preamp character with enormous headroom.

Years produced: 1995–2002
Made in: USA
Wattage: 300W
Channels: 2
Preamp tubes: 12AX7 x5
Power tubes: 6L6 x8

Tags: american.

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.