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Total 3 documents matching your query.

1. [Amps] AL-80B unusual plate current behavior (score: 1)
Author: Rick and Theresa Low <n6cy@earthlink.net>
Date: Tue, 8 Mar 2005 10:34:45 +0100 (GMT+01:00)
Several times in the past week I&acirc;??ve observed unusual behavior from this single 3-500Z amplifier and need to know if this looks like the tube is about to go belly up on me, or if there is some
/archives//html/Amps/2005-03/msg00211.html (7,496 bytes)

2. Re: [Amps] AL-80B unusual plate current behavior (score: 1)
Author: "Rick Low" <n6cy@earthlink.net>
Date: Wed, 9 Mar 2005 19:34:14 +0100
Filament/cathode to grid short is the answer. Thanks for the info and Ameritron confirms this behavior indicates the 3-500Z is ready to be replaced. The other symptom that I had not previously seen u
/archives//html/Amps/2005-03/msg00242.html (9,199 bytes)

3. [Amps] Fw: Re: AL-80B unusual plate current behavior (score: 1)
Author: Rick and Theresa Low <n6cy@earthlink.net>
Date: Thu, 10 Mar 2005 10:31:33 +0100 (GMT+01:00)
Based on additional info below, will take the 5x magifying glass and examine the circuitry/boards for additional shorting paths that affect the filament bias. Also, removing the tube from its socket
/archives//html/Amps/2005-03/msg00257.html (10,046 bytes)

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