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12AX7AC5 Tested Preamp Vacuum Tube HG+

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Free shipping on orders over $29.99

$18.50

$ 7 .99 $7.99

In Stock
  • HG+: Premium Tube with extra close transconductance rated as High Gain Plus for high gain circuits
  • A very relaible and amazing sounding 12AX7
  • We test every preamp tube for noise, microphonics, gain, and triode balance.
  • Tested by trusted industry experts
  • 6 Month Warranty Included On All RUBY Tubes


Expertly manufactured, our long-awaited Ruby 12AX7AC5 HG+ Preamp Vacuum Tube is finally back in stock after the factory closure. With a 2024 production date, this highly sought-after tube offers unparalleled quality and performance for all your audio needs. Upgrade your sound today with Ruby.


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