The Mesa/Boogie STR-12AX7-A is a premium 12AX7 preamp tube (ECC83 equivalent) known for its low noise, musicality, and exceptional reliability. Hand-selected and tested to Mesa's exacting standards, this tube is a trusted choice for critical gain stages and tone shaping in both Mesa amps and other high-performance tube gear.

Key Features:
✔ Premium 12AX7 / ECC83 dual triode
✔ STR-12AX7-A model – Mesa’s top-grade selection
✔ Low noise floor for clean signal integrity
✔ Smooth gain with detailed dynamics
✔ Reliable in demanding stage and studio environments

Applications:
Ideal for guitar and bass amps, especially in high-gain preamp positions where quiet operation and tonal detail are essential. Perfect for Mesa/Boogie amplifiers and compatible with any amp that uses 12AX7 tubes.

Why Choose Mesa Tubes?
Mesa/Boogie tubes are hand-selected for tone, durability, and consistency. Each 12AX7 is tested and screened to ensure quiet, stable, and musical performance—ideal for pro-level rigs and tone purists.

Sold Individually
This listing is for a single preamp tube. No matching or burn-in is performed on preamp tubes.

From British Audio
British Audio is proud to offer genuine Mesa/Boogie tubes—trusted by professionals for stage and studio use. Order today and elevate your tone.

       

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  • 12AX7 Tube
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