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Misc. Audio Tubes

help.pngTube Basics and FAQ

help.pngGrading Preamp Tubes

help.pngVacuum Tube Warranty & Return Policy

help.pngBurn in and Matching Power Tubes

help.pngCryogenic Treating

help.pngTube Testing Equipment

help.pngTube Hunting Trips Around the World

help.pngWhy We Don't Sell Certain Brands
  • Ei 12BH7
    $25.00 Ei 12BH7
    Ei 12BH7 - These are getting a little tough to find as the Ei factory has been closed for some time now, but we still have a few of these sought-after driver tubes available. As with most 12BH7 tubes, these are not the...
  • Ei 6FQ7
    $25.00 Ei 6FQ7
    Ei 6FQ7 - Made in Yugoslavia. Current production. Great tube for use in the driver stage of many amplifiers, especially Conrad Johnson. Ei is no longer in business, so these are becoming a hot commodity. NOTE: This tube is...
  • European EF86 / 6267
    $45.00 European EF86 / 6267
    European EF86/6267 - we have the best stocks ever! Made by Brimar in England, but come branded Valvo, Miniwatt, or Mullard. All have the popular mesh plate internal structure. I cannot guarantee a specific brand name,...
  • Hitachi 6GK5
    $25.00 Hitachi 6GK5
    Japanese 6GK5 - Branded Hitachi. More energy on top compared to the real Mullards. Lots of folks will mix n' match, using both the Mullards and these Hitachis and been very happy with the results; blending the warmth of...
  • Mazda 6CG7 / 6FQ7
    $45.00 Mazda 6CG7 / 6FQ7
    Mazda 6CG7/6FQ7 - These are the super cool made in Great Britain by Brimar. Extremely hard to find. This is the ultimate in a 6FQ7, and we found a nice stash of them. What's most unique about this particular 6CG7 is it's...
  • Mullard 6GK5
    $30.00 Mullard 6GK5
    Mullard 6GK5 - These are perfect. I have master packs of them. Unbranded, but the proper factory batch codes are present. Very popular tube for some Conrad Johnson preamps. Selected and screened for noise and microphonics...
  • RCA OA2
    $20.00 RCA OA2
    RCA OA2 - This regulator tube is still sought after and these are some of the best made. Branded RCA. Tested and selected to our exacting standards.
  • Russian 6H30-DR Early Vintage Supertube
    $189.95 Choose Options Russian 6H30-DR Early Vintage Supertube
    6H30-DR - Considered by many to be the Holy Grail of 6H30s... and we just scored a nice stash of primo, first-quality tubes!  New Old Stock from the late 70's and early 80's.  The 6H30-DR is a high-vacuum,...
  • Russian 6H30Pi
    $29.95 Choose Options Russian 6H30Pi
    6H30 - Got a BAT "SE" preamp, or a new ARC that uses 6H30s and having a tough time trying to source some good quality ones? We just secured a large supply of the 6H30 "Supertube" and have them in stock, tested to our...
  • Russian 6H30Pi Gold Pin
    $33.95 Choose Options Russian 6H30Pi Gold Pin
    6H30 - Got a BAT "SE" preamp, or a new ARC that uses 6H30s and having a  tough time trying to source some good quality ones? We just secured a large  supply of the 6H30 "Supertube" and have them in stock, tested to...
  • Sylvania 6350
    $30.00 Sylvania 6350
    Sylvania 6350 - U.S. Made 1960's vintage. The coolest stuff for VTL amplifiers. Most of them are branded Sylvania, some are branded for IBM. Super selected and screened to get the best of the best. Label and box may vary...
  • Tungsram 6U8 / ECF82
    $40.00 Tungsram 6U8 / ECF82
    Tungsram ECF82 / 6U8 - Made in Hungary. Very sexy upgrade over the U.S. made 6GH8A. A must have replacement tube for your Sonic Frontiers Line 3. Selected and screened to the highest standards. Label and box may vary from...
  • U.S. Made 12BZ7
    $40.00 U.S. Made 12BZ7
    U.S. Made 12BZ7 - NOS in original boxes. They are branded as RCA, GE, Sylvania, etc. but are typically made by RCA. We found these on a tube hunting trip in Europe. Super cool for use in the Audio Electronics Sixpacs, Cary...
  • U.S. Made 5687
    $35.00 U.S. Made 5687
    U.S. Made 5687 -Tested and selected. Branded various different logos including RCA, GE, Sylvania, Raytheon, CBS, Tung-Sol, etc. Most of these are made by RCA, some by GE, but in our experience they all work and perform...
  • U.S. Made 6FQ7
    $30.00 U.S. Made 6FQ7
    U.S. Made 6FQ7 -Tested and selected. Branded various different logos, motly GE or Sylvania, though they're all the same tube. We cannot guarantee availability of a specific logo or box, sorry. Click here for a more in...
  • U.S. Made 6GH8A / 6U8
    $25.00 U.S. Made 6GH8A / 6U8
    U.S. Made 6GH8A / 6U8 - Branded RCA, GE, et al. They all came from the same factory. This was the stock tube used in the Sonic Frontiers Line 3 preamp, as well as a hanful of other popular vintage gear. Label and box may...
  • Valvo 6GM8 / ECC86
    $35.00 Valvo 6GM8 / ECC86
    Valvo 6GM8 - If you have a headphone amp that uses these, you may be looking for an upgraded 6GM8. Most all of them were made in Holland, but the ones made in the mid 1960's are the best. Even at that they are not all quiet...