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1. [Amps] 8877 negative grid current (score: 1): Author: Conrad PA5Y <g0ruz@g0ruz.com>; Date: Sat, 14 Jul 2018 09:20:45 +0200; Hello all. I have a question on behalf of an Italian friend of mine. He has 8877 amplifier for 2m and what sounds like some tired tubes. His 'normal' tube is a 3CPX1500. Recently he has noticed that; /archives//html/Amps/2018-07/msg00038.html (7,370 bytes)
2. Re: [Amps] 8877 negative grid current (score: 1): Author: MU 4CX250B <4cx250b@miamioh.edu>; Date: Sun, 15 Jul 2018 07:18:40 -0700; Thats abnormal behavior for an 8877, Conrad, and its interesting your friend hasnt seen the negative grid current with other tubes. Otherwise, id speculate the problem was a measurement artifact, cau; /archives//html/Amps/2018-07/msg00042.html (8,733 bytes)

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