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Total 6 documents matching your query.

1. [Amps] Bias Whoes (score: 1): Author: hahn <hahn@emeraldis.com>; Date: Mon, 23 Feb 2004 19:24:25 -0500; Anybody know anything about the russian tubes??? The GI7BTs??? I have a schematic of the way I wired tubes for bias but have scanned in to look at and comment and maybe help? I can't get tubes to hav; /archives//html/Amps/2004-02/msg00215.html (6,530 bytes)
2. Re: [Amps] Bias Whoes (score: 1): Author: Gudguyham@aol.com; Date: Tue, 24 Feb 2004 07:58:26 EST; DO YOU HAVE ANY PARASITIC SUPPRESSORS? SOUNDS LIKE THE AMP IS OSCILLATING. COULD BE SOMETHING WITH THE INPUT TOO. _______________________________________________ Amps mailing list Amps@contesting.com; /archives//html/Amps/2004-02/msg00223.html (7,098 bytes)
3. Re: [Amps] Bias Whoes (score: 1): Author: "RICHARD GEORGE" <k6kwq@msn.com>; Date: Tue, 24 Feb 2004 06:34:34 -0800; I use standard easy to do zener bias. There are plenty of examples on the net. Search for QRO and go to the amplifier section. There are plenty of other ways also and maybe mo better. It sounds to me; /archives//html/Amps/2004-02/msg00224.html (7,872 bytes)
4. Re: [Amps] Bias Whoes (score: 1): Author: "K7RDX" <k7rdx@earthlink.net>; Date: Tue, 24 Feb 2004 14:01:35 -0800; Plate voltage has large influence on idle current...gi7b with 2kv/pl works good with 48v/50watt zener diode,assuming proper grounded grid design...Nearly every Russian tube (Triode) Iv`e played with; /archives//html/Amps/2004-02/msg00230.html (8,299 bytes)
5. [Amps] Bias Whoes (score: 1): Author: hahn <hahn@emeraldis.com>; Date: Tue, 24 Feb 2004 17:42:07 -0500; Thanks guys! I am using a pot to vary the voltage divided to the zener so I can find a value that works. Some guys say that 12-24v is good bias, and some say that you have 41v bias??? I am using a 2n; /archives//html/Amps/2004-02/msg00231.html (7,135 bytes)
6. Re: [Amps] Bias Whoes (score: 1): Author: Jan Erik Holm <sm2ekm@telia.com>; Date: Wed, 25 Feb 2004 07:37:29 +0100; Must be I guess. A friend found this with some GU84´s also, not uncommon it seems. 73 Jim SM2EKM -- K7RDX wrote: Plate voltage has large influence on idle current...gi7b with 2kv/pl works good; /archives//html/Amps/2004-02/msg00235.html (7,729 bytes)

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