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[Amps] 4CX250 Grounded Grid

To: "Amps@Contesting. Com" <amps@contesting.com>,"To: \"carl seyersdahl\"" <carlseye@tampabay.rr.com>
Subject: [Amps] 4CX250 Grounded Grid
From: "David C. Hallam" <dhallam@rapidsys.com>
Reply-to: dhallam@rapidsys.com
Date: Tue, 18 Jan 2005 08:44:25 -0500
List-post: <mailto:amps@contesting.com>
The 4CX250B can be operated in grounded grid.  However, you cannot tie the
screen grid to the grounded control grid.  Normal screen voltage must be
supplied to it.  Look in any of the Bill Orr handbooks and you will see a
design for an amplifier using a pair of 4CX250B's in GG.

David C. Hallam
KC2JD


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