Don't Settle for Just Any Preamp Replacement Tube!
The Mesa/Boogie SPAX7-A preamp tube makes the ultimate replacement tube for any 12AX7A in your amp. This premium product is considered a "special requirement preamp tube" because of its build quality and performance. The SPAX7-A shows very low sensitivity to microphonic noise — an essential attribute for a preamp tube (especially in high-gain, high-volume amps) in live or studio environments. No matter which tube in your amp's gain stage needs to be replaced, make sure to choose the right tube for the job — Mesa/Boogie's SPAX7-A!Mesa/Boogie SPAX7-A Premium Replacement Preamp Tube Features:
- Premium-grade substitute tube
- Works in all preamp gain-stage positions
- Ultra-high performance 12AX7 tube
- Very low sensitivity to microphonic noise
- Very consistent and reliable
- Mesa/Boogie products are ONLY available for US shipping. Must be a U.S. resident.