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Total 4 documents matching your query.

1. [Amps] unstable Ameritron AL811 (score: 1): Author: simon@creoch.freeserve.co.uk (simon@creoch.freeserve.co.uk); Date: Thu, 4 Apr 2002 8:09:27 +0000; Hi all I am chasing an AL811 that its owner says is unstable - symptoms are unstable standing current at rest with no drive. The amp has been sitting for 2 years unused. Could this be caps reforming,; /archives//html/Amps/2002-04/msg00136.html (7,025 bytes)
2. [Amps] unstable Ameritron AL811 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Thu, 4 Apr 2002 02:29:14 -0800; ? A friend who writes magazine reviews was evaluating the prototype AL-811 before MFJ went into production. During the first half hour of use, an audible glitch occurred and the tungsten filaments o; /archives//html/Amps/2002-04/msg00138.html (8,544 bytes)
3. [Amps] unstable Ameritron AL811 (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Thu, 4 Apr 2002 07:21:45 -0500; Most common would be tubes and/or open grid resistors on the tubes. Not much else goes wrong with that amp, other than dial lights and tubes. 73, Tom W8JI W8JI@contesting.com; /archives//html/Amps/2002-04/msg00144.html (6,835 bytes)
4. [Amps] unstable Ameritron AL811 (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Thu, 4 Apr 2002 08:11:32 -0800; Not Invented Here syndrome? - For the curious, it might be interesting to measure the resonance of the "grounded"-grid with a dipmeter. If, perchance, the resonance of the grid is lower than the res; /archives//html/Amps/2002-04/msg00152.html (7,287 bytes)

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