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Total 3 documents matching your query.

1. [Amps] AMERITRON AL-80B TUBE ARC / SPLATTER (score: 1): Author: "Wynand" <zs6arf@telkomsa.net>; Date: Mon, 22 Jun 2009 22:33:42 +0200; Greetings from ZS land. I have an Ameritron AL-80B (single 3-500Z) on the bench that is uncooperative. HV is fine but once it goes beyond 100mA Grid Current with about 20 watts of drive the tube star; /archives//html/Amps/2009-06/msg00093.html (7,365 bytes)
2. Re: [Amps] AMERITRON AL-80B TUBE ARC / SPLATTER (score: 1): Author: "Tony Brock-Fisher" <barockteer@aol.com>; Date: Mon, 22 Jun 2009 17:07:33 -0400; If the arc is really *inside* the tube, I'd toss it in the trash to start with. You can test the HV while waiting for the new tube to arrive... -Tony, K1KP ___________________________________________; /archives//html/Amps/2009-06/msg00094.html (7,201 bytes)
3. Re: [Amps] AMERITRON AL-80B TUBE ARC / SPLATTER (score: 1): Author: "Wynand" <zs6arf@telkomsa.net>; Date: Mon, 22 Jun 2009 23:33:11 +0200; Hello Tony, Yes the arc is inside the tube.... as grid current increases with an increase in RF the tube start to glow red and then suddenly blue arcs start to flash quite symmetrically right at the; /archives//html/Amps/2009-06/msg00095.html (8,072 bytes)

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