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6A7 question on 39-6
07-28-2018, 01:57 AM
Very pretty glow, but useless as a mixer oscillator tube, the gas disrupts the mutual conductance of the tube, making it conduct too well, almost like a short circuit. I've never seen that happen with a 6A7 tube before, I had a #224 tube that did that and had to get a refund from the fleabay seller I bought it from, but it was a balloon type so you run into that more often with early production tubes then later ones.
Regards Arran
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Messages In This Thread
6A7 question on 39-6 - by Shaleradio - 07-21-2018, 05:06 PM
RE: 6A7 question on 39-6 - by Ron Ramirez - 07-21-2018, 05:12 PM
RE: 6A7 question on 39-6 - by Phlogiston - 07-21-2018, 06:29 PM
RE: 6A7 question on 39-6 - by Shaleradio - 07-21-2018, 06:42 PM
RE: 6A7 question on 39-6 - by codefox1 - 07-23-2018, 05:35 PM
RE: 6A7 question on 39-6 - by Arran - 07-28-2018, 01:57 AM
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