What tubes does the Mesa Boogie V-Twin - Lead use?

The Mesa Boogie V-Twin - Lead uses 2× 12AX7 preamp tubes.

When was the Mesa Boogie V-Twin - Lead produced?

The Mesa Boogie V-Twin - Lead was produced 1993–2005.

Mesa Boogie V-Twin - Lead preset

Verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The V-Twin is Mesa/Boogie's valve preamp in a heavy steel floor pedal, launched in 1993. Two 12AX7s do the main gain work, backed by TL072 op-amp buffers, a diode-clipping drive stage and opto/JFET switching between Clean/Blues and Solo modes with a passive tone stack. Separate outputs feed a guitar amp, a power amp, or a desk and headphones through a speaker-simulating filter, and it runs from a 12-volt AC adaptor.

Years produced: 1993–2005
Made in: USA
Channels: 2
Preamp tubes: 2× 12AX7

Tags: american, preamp, clean, crunch, 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.