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Re: [Amps] Dual GS35b input impedance

To: AMPS <amps@contesting.com>
Subject: Re: [Amps] Dual GS35b input impedance
From: Tomm Aldridge <KD7QAE@ARRL.NET>
Date: Sun, 13 Feb 2005 23:31:43 +0000
List-post: <mailto:amps@contesting.com>
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 07:22 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. There seems to be a general concensus that the tube presents a 50 Ohm impedance when cathode driven in GG configuration. Can I assume a 25 Ohm input impedance as a good starting point for my input filter design?

Regards

KD7QAE
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