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For maximum tone & reliability all tubes are properly burned-in & Tested / Selected 

Voodoo Amps™ carries a variety of tubes to meet your needs. All tubes are burned in for 96 hours on our proprietary burned-in racks. Our racks are based on the original burn-in racks used by tube manufacturers decades past. Not only does it improve your tone, it also improves performance & reliability. After the burn-in process we then test, select & match tubes. Your tubes will sound better, feel better & last longer.





Type & Description

Electro-Harmonix 12AX7EH - $11.95 each
Low microphonics, high output with ultra low noise, excellent harmonics & very detailed. Smooth feel, very musical, excellent in V1 or 1st position for many vintage & modern amps. Bang-for-the-buck, this tube is hard to beat.

  Electro-Harmonix 12AT7EH - $12.95 each
Great replacement in reverb & phase inverter position for most Fenders®. Rugged, well built and is a great over all replacement for all 12AT7 positions. The Electro-Harmonix 12AT7WC-EH tube is great for phase inverters and reverb drivers. This new 12AT7 tube design has short plates to help reduce microphonics and noise. The 12AT7 tube type is equivalent to the European ECC81 tube and can be used in any 12AT7 or ECC81 circuit.
  Electro-Harmonix 12AU7EH - $13.95 each
Low microphonics, excellent linearity, very musicial with great harmonics. Low microphonics and excellent linearity offer a musical and harmonic soundstage, making this 12AU7 tube equal to the original and a cut above the competition. The 12AU7 tube type is equivalent to the European ECC82 tube and can be used in any 12AU7 or ECC82 circuit.
  Electro-Harmonix 12BH7EH - $TBA each
Russian, Rich harmonics, balanced tone, excellent phase inverter replacement for older Ampeg SVT's. Premium driver tube used in Hi-fi. The Electro-Harmonix 12BH7 tube is a brand new pre-amp tube that is made in Russia. It is often used as a premium driver tube in Hi-fi tube amps, and is a suitable replacement for any 12BH7 tube. Special Order



Mullard 12AX7 /  ECC83 - $16.95 each
A reproduction / reissue of the famous Mullard 12AX7. Excellent in V1 / the first position of many high gain amps as well as vintage Marshalls. Excellent harmonic detail, warm on the top end and lush in the mids with excellent lows. Works well in classic Fender, Marshall & Mesa amps. This is not a high gain tube but in the right application is sounds great. Special Order



ARS 12AX7A /  ECC83 - $12.95 each
Evenly balanced, excellent harmonic detail, articulate, clear & open sounding, low noise, excellent for most amps! The Sino 12AX7 / ECC83 is a greatly improved version, is a cost-effective and suitable replacement for any 12AX7 / ECC83. Triple mica construction. This is very popular in Marshall, Mesa Fender and Vox amps.It is currently re-branded by several companies such as Ruby Tubes, Groove and others. This saves you money!



Sovtek 12AX7-LP - $13.95 each
Russian, Very linear, very musical smoother with great detail. The Sovtek 12AX7LP has larger plates and great for use on amps many high gain amps that use DC filaments. Special Order


Sovtek 12AX7-LPS - $14.95 each
Rich, medium output, smoother, evenly balanced, rich harmonics. An improved design, low noise, large ribbed plates, spiral filaments. Not recommended for combos due to microphonics caused by vibrations. Used by Mesa Boogie and many other smaller manufacturers. The spiral filament reduces hum in AC filament amps - while the larger plates allow for a more linear response.


Sovtek 12AX7-WA - $10.95 each
Round tone, low microphonics, excellent in phase inverter position in most high-gain as well as vintage amps. This is also amoung one of the most widely used 12AX7 in the world today. It is used by Fender, Orange, Carvin, Hartke, Trace Elliot and many others.


Sovtek 12AX7-WB - $15.95 each
More gain & saturation than 12AX7WA, warmer & darker. Similar in tone to the 12AX7WA but with more bottom end. Favored by Marshall owners for it's gainier atributes. Used by Rivera, Demeter, Kendrick and others. Special Order


Sovtek 12AX7-WC - $14.95 each
The Sovtek 12AX7WC is a relatively inexpensive that can be put into any 12AX7 / ECC83 socket. Works well in Fender and Mesa amps.


Sovtek 6SL7 - $11.95 each
Octal preamp tube, high output/gain, balanced with good clarity, great replacement for most older Fender® & Gibson® amps. Great modern production replacement for any 6SL7 tube. Good tone, detailed highs and a rich bottom end. Good reliability and a great price. Special Order


Sovtek 6SN7 - $13.95 each
Octal preamp tube, great modern production 6SN7, great replacement for most older Fender® & Gibson® amps. Good modern production 6SN7 tubes are getting harder and harder to find. Excellent alternative to paying a lot of dough for NOS varieties. Good tone, detailed highs and a rich bottom end. Good reliability and a great price. Special Order



Tung Sol 12AX7 /  ECC83 - $14.95 each
Very rich, warm/round and balanced, good harmonics, excellent in V1 / 1st position of most vintage & high-gain amps. This tube has tones similar to the older Mullards or Brimars. With high-gain, low microphonics and superb linearity, this 12AX7 is hard to beat. Special Order


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Pricing, features, specifications & pricing subject to change without notice


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Electro Harmonix, Svetlana, Mullard, Sovtek, Tung Sol, etc

Brief facts - These name and assocated trademarks are owned by the New Sensor Corporation and manufactured at their Xpo-Pul / Reflektor factory in Saratov, Russia. New Sensor is an American corporation and since taking ownership of the Reflektor factory they have been focused on improving the quality and design of modern production tubes.

Shuguang / Sino

Brief facts - Typically manufactured in the Shuguang factory in China, Sino Chinese tubes have under gone vast improvements since their introduction. Both reliability and tone have improved tremendously. Do not dismiss these as a majority of boutique and major modern amp manufacturers use these tubes as original equipment.

Important Note regarding Russian Preamp Tubes

Generally speaking; The filaments are virtually encased in the plate structure and when functioning properly they do not "light up" with the same brightness when compared to other tubes This is normal and not a problem. Unique spiral filament eliminates filament to cathode induced hum common on amps that use AC on the filaments.






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