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Total 5 documents matching your query.

1. [AMPS] SB1000 PROBLEMS-HELP! (score: 1): Author: KB2QQM@email.msn.com (Greg Heath); Date: Wed, 21 Jul 1999 19:02:56 -0400; I have an SB1000 and I bought a Chinese 3-500G tube. Worked great for awhile, about 40 hours... then one day..I came in and turned the amp on to warm up, and both 15 amp fuses immediately blew. I hav; /archives//html/Amps/1999-07/msg00399.html (7,591 bytes)
2. [AMPS] SB1000 PROBLEMS-HELP! (score: 1): Author: measures@vc.net (Rich Measures); Date: Wed, 21 Jul 1999 19:00:00 -0700; To find out what's what you need a high pot. Anode to grid leakage at 8kV should be under 10uA. If you see a blue glow, a bad metal/glass seal is indicated. // Grid to fil. leakage should be under 3; /archives//html/Amps/1999-07/msg00400.html (8,552 bytes)
3. [AMPS] SB1000 PROBLEMS-HELP! (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 22 Jul 1999 08:35:16 -0400; Send the tube back. Your experience is more common than not. 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative req; /archives//html/Amps/1999-07/msg00403.html (7,832 bytes)
4. [AMPS] SB1000 PROBLEMS-HELP! (score: 1): Author: Dick Green" <dick.green@valley.net (Dick Green); Date: Thu, 22 Jul 1999 12:11:10 -0400; Sounds like there's gas in the tube and it's arcing. As Rich advises, you can use a hi-pot tester to confirm this. You might be able to see the arcs momentarity before the fuses blow, but this is not; /archives//html/Amps/1999-07/msg00408.html (9,249 bytes)
5. [AMPS] SB1000 PROBLEMS-HELP! (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 22 Jul 1999 19:43:24 -0400; Unplugging the anode lead, as he did, and not having the fuses immediately blow, is all the indicator he needs. 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: http://www.contesting.com/ampfaq.html; /archives//html/Amps/1999-07/msg00417.html (7,319 bytes)

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