12at7 ecc81 ecc801s e81cc 12at7wa B739 B309 6211 cv4024 cv455 a2900 6060 6201 5965 12ay7 12av7. a favorite sonically, the floating pan getter 6201 is a premium 12at7 by ge usa, w/ rugged industrial grade low noise internals.
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Type: JG 5751WA/12AX7/ECC83. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
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I use my Etracer curve tracer in tandem with research and experience. boxes will be identical to photographed box except for inventory number stickers. One of the only other modern testing devices at this level would be the Amplitrex AT1000, but even that unit cannot develop full spectrum graphical analysis the way the Etracer can.
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The NOS Rare 1951 12AX7 with long gray plates and bent getter. These early 1950s tubes, often from manufacturers like RCA, GE, or Tung-Sol, feature extended gray ribbed plates around 17mm long and a distinctive bent or D-shaped getter ring, contributing to low noise, rich harmonics, and classic tone.
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Hi up for consideration is a single NOS 12at7wc / ecc81/ 6201 GE JAN tube. This is a 6201 tube, its a special purpose 12at7, low noise floor with extra supports and thicker mica. The tube of choice for guitar combo's but great in any application for 12at7.
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Tube tests very strong, just at expected dataset for a new tube on our eTracer curve tracer. Triode #1 - Plate Current = 10.34mA \ Rp = 11237 \ Gm = 5725 \ Mu = 64.3 \ Corners = PASS. Triode #2 - Plate Current = 8.55mA \ Rp = 13490 \ Gm = 4960 \ Mu = 66.9 \ Corners = PASS.
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Type: JG 5751WA/12AX7/ECC83. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
eBay
Type: JG 5751WA/12AX7/ECC83. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn't matter. Looking forward to hearing from you, Dan.
eBay