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Total 2 documents matching your query.

1. [Amps] Amp using 4-400 tubes (score: 1): Author: "Jeff Wilaby" <jwill@chartermi.net>; Date: Sat, 14 May 2005 17:56:54 -0500; Hello, A friend of mine's father went SK recently he just gave me a Rf deck that has 2 4-400 tubes, no power supply. I was wondering if anyone had a schematic of a Johnson Thunderbolt or any other am; /archives//html/Amps/2005-05/msg00176.html (6,410 bytes)
2. Re: [Amps] Amp using 4-400 tubes (score: 1): Author: David Kirkby <david.kirkby@onetel.net>; Date: Sun, 15 May 2005 01:32:07 +0100; Take a look at http://www.g8wrb.org/tetrodes.shtml where you will find links to Eimac and RCA data sheets on the 4-400A, IF that is the tube you have. I don't know the 4-400, but one might exist. --; /archives//html/Amps/2005-05/msg00178.html (7,227 bytes)

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