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Total 6 documents matching your query.

1. [AMPS] Tube going bad? (score: 1): Author: w7ti@dslextreme.com (Bill Turner); Date: Sun, 19 Aug 2001 05:38:23 -0700; I have a Commander HF-2500 which uses a pair of 3CX800's. Recently I've noticed the plate current does not drop back all the way to zero when un-keying. The longer it's on and the hotter it gets, the; /archives//html/Amps/2001-08/msg00223.html (7,497 bytes)
2. [AMPS] Tube going bad? (score: 1): Author: 2@vc.net (2); Date: Sun, 19 Aug 2001 06:25:12 -0700; // Gas does not wax and wane -- despite what a self-declared expert claims. Such leakage could be due to loose gold meltballs. There are two ways to determine such. A high-potential I-leakage test a; /archives//html/Amps/2001-08/msg00224.html (8,613 bytes)
3. [AMPS] Tube going bad? (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Sun, 19 Aug 2001 14:08:08 -0400; It is not necessarily at tube problem, especially if you can drive the PA to normal output when it is acting acting up.It is certainly not gassing, because that causes a HV anode to grid/cathode fla; /archives//html/Amps/2001-08/msg00226.html (8,252 bytes)
4. [AMPS] Tube going bad? (score: 1): Author: w7ti@dslextreme.com (Bill Turner); Date: Sun, 19 Aug 2001 11:15:39 -0700; _________________________________________________________ Yes, the PA output and plate current are all normal, even when the problem is most apparent. I will have to look further, it seems. Thanks to; /archives//html/Amps/2001-08/msg00227.html (7,523 bytes)
5. [AMPS] Tube going bad? (score: 1): Author: Jim" <w7ry@earthlink.net (Jim); Date: Sun, 19 Aug 2001 11:23:31 -0700; Perhaps the problem lies in the bias switching area. If solid state switching is used, this is a likely culprit. 73 and good luck. Jim -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: a; /archives//html/Amps/2001-08/msg00228.html (8,533 bytes)
6. [AMPS] Tube going bad? (score: 1): Author: 2@vc.net (2); Date: Sun, 19 Aug 2001 15:47:46 -0700; // An arc inside the envelope is barely audible. Big bangs occur in air, not in near vacuums. cheers - R. L. Measures, 805.386.3734,AG6K, www.vcnet.com/measures. end -- FAQ on WWW: http://www.contes; /archives//html/Amps/2001-08/msg00232.html (8,042 bytes)

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