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References: [ +from:tuner@zoominternet.net: 4 ]

Total 4 documents matching your query.

1. [Amps] SB-220 filament problem (score: 1)
Author: Keith Hamilton <tuner@zoominternet.net>
Date: Thu, 08 Feb 2007 00:40:38 -0500
I have a SB-220 I got from the e place. Unfortunately its not working (go figure!) The filaments of the tubes will not light. I have another set of 3-500s and tried swapping them with no luck. I do h
/archives//html/Amps/2007-02/msg00126.html (6,803 bytes)

2. [Amps] SB200 filament problem solved (score: 1)
Author: Keith Hamilton <tuner@zoominternet.net>
Date: Thu, 08 Feb 2007 11:01:48 -0500
Thanks to all who wrote me about the filament problem. I found a loose solder joint by the tubes hiding under a capacitor where I could not see it. It is a very nice amp with several Harbach mods alr
/archives//html/Amps/2007-02/msg00133.html (6,565 bytes)

3. [Amps] AL-80B trouble (score: 1)
Author: Keith Hamilton <tuner@zoominternet.net>
Date: Mon, 02 Mar 2009 11:36:23 -0500
I have an AL-80B that does not work on 40 meters. When I try to transmit my exciter shown infinate SWR and of course will not put out any RF. All other bands are OK. I will send it to Ameritron if ne
/archives//html/Amps/2009-03/msg00054.html (6,405 bytes)

4. Re: [Amps] AL-80B trouble (score: 1)
Author: Keith Hamilton <tuner@zoominternet.net>
Date: Mon, 2 Mar 2009 16:47:04 -0500
Several people have suggested checking the 40m tuned input circuitry. Are the input coils switched inline only when transmitting? When the amp is in standby the swr is OK. Sorry for the newbie questi
/archives//html/Amps/2009-03/msg00070.html (8,127 bytes)

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