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Ruby

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The Ruby 12AX7AC5 preamp vacuum tube delivers the versatile, warm tone that guitarists and musicians crave. With its high-gain rating and premium components, this tube enhances your instrument's sound in high-gain circuits. Its durable construction and tight tolerances provide consistent, noise-free performance whether practicing at home or performing on stage. Upgrade your amplifier or preamp and rediscover the responsive, articulate tone hiding in your instrument.

Ruby 12AX7AC5 Preamp Vacuum Tube High Grade Plus

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  • Premium high-gain tube for high-gain circuits
  • Unparalleled quality
  • HG+ rating provides extra close transconductance
  • HG+ 123 variation with premium triode side A test results

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