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In Reply to: RE: GZ34: getting too much voltage drop posted by banpuku on February 11, 2017 at 06:13:55
You have 670 volts into a choke. the formula is VAC*0.45, or 670*0.45= 302.5 volts. This for a full wave rectifier as you have in your schematic. Then you must allow for the rectifier voltage drop which depends upon your circuit's current draw. To me 290 volts seems if anything a little high but perhaps your wall voltage is a bit higher than what the power transformer is rated for. Hope this is useful.
Follow Ups:
Very helpful, Thank you!
Pat
If you are using a JJ GZ34,switch over to a vintage or reissue Mullard.Is this the same 2A3 SET amp you are driving Quad ESL63s with?
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
Mikey,
Yes, this is for my 2a3 amp that I am using on the Quads. Why do you prefer the Mullards?
Pat
Reliability mostly.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken
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