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I'm using a push-pull amp and attempting to match up 6550 output tubes from my stash. I understand that both Plate Current and Transconductance are important, but finding tubes that match up with both those values is rather difficult. Question: which of those two values is more important in finding a match?
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Topic - Output Tubes: Matching for Plate Current / Transconductance - rontokyo 05:10:33 12/09/06 (16)
- If they are new tubes, - sser2 16:08:34 12/09/06 (6)
- Re: If they are new tubes, - Jim McShane 09:19:16 12/10/06 (5)
- Thanks for the correction. - sser2 13:05:30 12/10/06 (4)
- Re: Thanks for the correction. - Jim McShane 14:01:31 12/10/06 (3)
- I was thinking - sser2 14:51:29 12/10/06 (2)
- Re: I was thinking - Jim McShane 15:06:58 12/10/06 (1)
- I see. - sser2 16:15:25 12/10/06 (0)
- so, hopefully, this explains why ... - Thom 08:47:02 12/09/06 (1)
- Re: so, hopefully, this explains why ... - Jim McShane 10:48:42 12/11/06 (0)
- Re: Output Tubes: Matching for Plate Current / Transconductance - lovetube 05:36:38 12/09/06 (6)
- Re: Output Tubes: Matching for Plate Current / Transconductance - jcoe 14:38:41 12/09/06 (0)
- Yes, I understand that it's important. But - rontokyo 05:44:43 12/09/06 (4)
- Re: Yes, I understand that it's important. But - Jim McShane 06:39:21 12/09/06 (3)
- Doesn't it depend on how the tubes are going to be used? - Ray Moth 13:42:40 12/09/06 (2)
- Re: Doesn't it depend on how the tubes are going to be used? - Jim McShane 15:51:11 12/09/06 (0)
- Clarification - Ray Moth 13:51:36 12/09/06 (0)