- 1. [Amps] TL922 AMP PROBLEMS (score: 1)
- Author: brianmiller@xtra.co.nz (Brian Miller)
- Date: Tue, 8 Oct 2002 10:29:11 +1300
- Hi all The ZL6QH team is using a TL922 amplifier which has developed some problems over the past 9 months. Here is a chronological summary of the events. Note that I have not personally observed all
- /archives//html/Amps/2002-10/msg00057.html (8,865 bytes)
- 2. [Amps] FL2100B QUESTIONS (score: 1)
- Author: brianmiller@xtra.co.nz (Brian Miller)
- Date: Tue, 8 Oct 2002 11:06:01 +1300
- Hi All The ZL6QH team is using an FL2100B amplifier that recently failed. Both of the Svetlana 572B tubes had developed grid-to-filament shorts. Closer inspection showed that the soldered connection
- /archives//html/Amps/2002-10/msg00058.html (7,848 bytes)
- 3. Fw: [Amps] TL922 AMP PROBLEMS (score: 1)
- Author: brianmiller@xtra.co.nz (Brian Miller)
- Date: Tue, 8 Oct 2002 14:05:53 +1300
- Hi Rich OK about the fan speed and, yes, the black baffle was in place. The amp has not been used on RTTY but I suspect it has been pushed to the limit in CW and SSB contests. Thanks and 73 Brian ZL1
- /archives//html/Amps/2002-10/msg00063.html (10,531 bytes)
- 4. [AMPS] FAILURE OF PARASITIC RESISTORS IN AL-811X AMPLIFIER (score: 1)
- Author: brianmiller@xtra.co.nz (Brian Miller)
- Date: Wed, 1 Mar 2000 00:06:17 +1300
- Hi there We have recently purchased a second-hand Ameritron AL-811X amplifier. It works fine on all bands except 10/12m where it is difficult to output more than 300W without turning the anode parasi
- /archives//html/Amps/2000-02/msg00653.html (7,975 bytes)
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