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Total 4 documents matching your query.

1. [Amps] Defective 8877's ? (score: 1): Author: kb5gt@hotmail.com (Ed McKie); Date: Fri, 12 Jul 2002 02:08:54 -0500; I have two 8877's in unopened boxes with 1990 code dates. I've read and heard that these tubes made at that time were subject to some type of manufacturing problem. Are these tubes OK, or should I ge; /archives//html/Amps/2002-07/msg00156.html (6,773 bytes)
2. [Amps] Defective 8877's ? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Fri, 12 Jul 2002 03:41:00 -0700; According to Dick Ehrhorn, the problem with the 8877's heat dam material existed for a short period. I would try them before I rejected them. What brand of amplifier? - R. L. Measures, a.k.a. Rich...; /archives//html/Amps/2002-07/msg00159.html (6,940 bytes)
3. [Amps] Defective 8877's ? (score: 1): Author: 2@mail.vcnet.com (Richard); Date: Fri, 12 Jul 2002 08:52:25 -0700; The heater should be connected to the cathode to prevent a potentially fatal cathode-heater arc during a glitch. When this precaution is taken, a bifilar filament-choke is needed to keep driving RF; /archives//html/Amps/2002-07/msg00161.html (9,826 bytes)
4. [Amps] Defective 8877's ? (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 12 Jul 2002 17:43:31 -0400; 8877's have been problems off and on over the years. The worse period was in the middle eighties, when for long periods of time the failure rate was extremely high. 8877 tubes got very good after Sa; /archives//html/Amps/2002-07/msg00165.html (7,146 bytes)

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