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Total 7 documents matching your query.

1. [Amps] Dual GS35b input impedance (score: 1): Author: Tomm Aldridge <KD7QAE@ARRL.NET>; Date: Sun, 13 Feb 2005 23:22:37 +0000; I am now at the stage of designing my tuned input for the dual GS35b amp that is in process here. There seems to be a general concensus that the tube presents a 50 Ohm impedance when cathode driven i; /archives//html/Amps/2005-02/msg00461.html (7,095 bytes)
2. Re: [Amps] Dual GS35b input impedance (score: 1): Author: Alek Petkovic <vk6apk@eon.net.au>; Date: Mon, 14 Feb 2005 07:28:27 +0800; What are you using for sockets Tomm? 73, Alek. VK6APK At 07:22 AM 14/02/2005, Tomm Aldridge wrote: I am now at the stage of designing my tuned input for the dual GS35b amp that is in process here. Th; /archives//html/Amps/2005-02/msg00462.html (8,001 bytes)
3. Re: [Amps] Dual GS35b input impedance (score: 1): Author: Tomm Aldridge <KD7QAE@ARRL.NET>; Date: Sun, 13 Feb 2005 23:31:43 +0000; Made my own grid clamping fixture from W4ZT's directions. The anode and filament connections have yet to be designed. Alek Petkovic wrote: What are you using for sockets Tomm? 73, Alek. VK6APK At 07:; /archives//html/Amps/2005-02/msg00463.html (8,035 bytes)
4. Re: [Amps] Dual GS35b input impedance (score: 1): Author: jeff millar <wa1hco@adelphia.net>; Date: Sun, 13 Feb 2005 19:17:54 -0500; I've seen a variety of values for GS-35 input impedance over the range 25 to 100 Ohms. It varies between tubes because the grid bias varies with these russian tubes. I tend to believe the input imped; /archives//html/Amps/2005-02/msg00465.html (7,916 bytes)
5. Re: [Amps] Dual GS35b input impedance (score: 1): Author: "K7RDX" <k7rdx@earthlink.net>; Date: Sun, 13 Feb 2005 17:41:40 -0800; I have built three GS-35b HF decks and tested at least twelve tubes and I can verify with Jeff the fact you probably won`t find a pair of these tubes that are real close to the same specs as far as g; /archives//html/Amps/2005-02/msg00466.html (9,273 bytes)
6. Re: [Amps] Dual GS35b input impedance (score: 1): Author: Tomm Aldridge <KD7QAE@ARRL.NET>; Date: Mon, 14 Feb 2005 04:56:55 +0000; Was planning on 3000VDC. Thanks for the advice. jeff millar wrote: I've seen a variety of values for GS-35 input impedance over the range 25 to 100 Ohms. It varies between tubes because the grid bias; /archives//html/Amps/2005-02/msg00470.html (8,612 bytes)
7. Re: [Amps] Dual GS35b input impedance (score: 1): Author: Tony King - W4ZT <amps@w4zt.com>; Date: Tue, 15 Feb 2005 21:08:05 -0500; I discussed this problem with a friend of mine who suggested a very simple way to pick your pair of tubes for similar emission. He suggested using my filament jig but this could be done in any amp ch; /archives//html/Amps/2005-02/msg00539.html (11,280 bytes)

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