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Re: Jesus; Mary and Joseph; will he never go home! [message #54056 is a reply to message #54055] Tue, 03 August 2004 07:09 Go to previous messageGo to previous message
Manualblock is currently offline  Manualblock
Messages: 4973
Registered: May 2009
Illuminati (13th Degree)
Yes they have A center tapped secondary that provides 700V for B+;
Then the there is 6.3v 1a AC secondary for the filaments of the driver tubes and then they have 7.2V 2a filament winding that is rectified by a 4a 50 piv bridge into a pi filter for 5vdc for the 300b's. B+ is connected at the primary. The plate voltages would be fairly simple to figure mathemagectly but it takes me some time. There is not much more to the circuit.

 
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