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In Reply to: RE: 211 Build posted by deafbykhorns on November 07, 2014 at 17:46:11
OK, that makes sense for a non-efficient speaker use.If you do do a three stage, may I make another suggestion for your consideration? Simplify. Since you have 1050 VDC to play with, DIRECT COUPLE the Type 76 into the EL-34 and LOSE the music-robbing series coupling cap !! That is superior and you can easily do it.
BTW, did you read the Sanquinetti Sound Practices article on use of the 7788 and interstage as a driver, with all the voltage and distortion specs he shared, or are you just guessing ? If you have not done so, read the article by all means !!
Jeff Medwin
Edits: 11/07/14Follow Ups:
It lowered the gain substantially so I need the study the loftin white and figure that one out.
Of course. No doubt. It requires a mu of 70 to 100 driver tube, low current, and a ONE PART shunt regulator to lock-it-in properly. Email me and I will send you data, all worked out !!
Jeff Medwin
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