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Total 5 documents matching your query.

1. [CQ-Contest] Advice about HF amplifiers (score: 1): Author: "Chris Tran ZL1CT" <zl1ct@gm7v.com>; Date: Sun, 5 Sep 2004 12:50:47 +1200; Saturday 4th September 2004 Hello all Your advice about HF amplifiers would be appreciated by the team at ZL6QH (www.zl6qh.com). I'm posting this to the cq-contest reflector rather than the amps refl; /archives//html/CQ-Contest/2004-09/msg00026.html (8,094 bytes)
2. Re: [CQ-Contest] Advice about HF amplifiers (score: 1): Author: "George Harlem W1EBI" <w1ebi@lightband.com>; Date: Sun, 5 Sep 2004 09:11:36 -0400; You'll get every Z-based amp in response to this! The Kenwood TL-922 meets all your criteria. It's built like a brick outhouse and has great cooling. Without QSK, though, it's not every op's contest; /archives//html/CQ-Contest/2004-09/msg00028.html (9,346 bytes)
3. RE: [CQ-Contest] Advice about HF amplifiers (score: 1): Author: <jukka.klemola@nokia.com>; Date: Mon, 6 Sep 2004 10:01:52 +0300; One correction: TL922 cooling is compromised. The socket of the 500Zs do not get sufficient air flow. Phenomena: the solder inside the filament pins melt. Cure: just re-solder but add a fan. 73, Jukk; /archives//html/CQ-Contest/2004-09/msg00031.html (8,368 bytes)
4. RE: [CQ-Contest] Advice about HF amplifiers (score: 1): Author: Pete Smith <n4zr@contesting.com>; Date: Mon, 06 Sep 2004 09:39:37 -0400; At 03:01 AM 9/6/2004, jukka.klemola@nokia.com wrote: TL922 cooling is compromised. The socket of the 500Zs do not get sufficient air flow. Phenomena: the solder inside the filament pins melt. Cure: j; /archives//html/CQ-Contest/2004-09/msg00032.html (8,580 bytes)
5. [CQ-Contest] Advice about HF amplifiers (score: 1): Author: "Jim Monahan" <K1PX@msn.com>; Date: Mon, 6 Sep 2004 20:07:44 -0400; Regarding the SB-220/SB-221, I also had the problem with the solder in the filament pins melting. I took the problem two more steps in addition to the fine recommendations of others. Since the filame; /archives//html/CQ-Contest/2004-09/msg00042.html (8,005 bytes)

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