From: jcandela@prodigy.net   
      
   On Thursday, March 26, 2015 at 6:45:44 PM UTC-5, israe...@gmail.com wrote:   
   > On Wednesday, July 23, 2014 at 6:34:46 PM UTC+3, John L Stewart wrote:   
   > > I've put some of my stuff into PDFs, listed below. Lots or REAL test   
   > > data, nothing is cooked.   
   > >    
   > > Copy, just ask, cheers, John   
   > >    
   > > 1) A 3 Watt fully integrated power amp & preamp inside a Hammond 8x12x3   
   > > chassis. Lineup is a 12AX7 magnetic pickup/mike front end, 12AX7   
   > > Baxandall tone controls & 6AU6/6AQ5 feedback pair as output thru a   
   > > Hammond 125D OPT. 548 KB   
   > > 2) A Different Kind of Triode Amp. 6080/6AS7G is difficult to drive by   
   > > RC coupling. This article uses bootstrapping as a way around the   
   > > problem. 30 Watts using a pair of 6080s. There are two articles in this   
   > > PDF. 1850 KB   
   > > 3) A Practical Circlotron. PP KT66�s thru a Hammond OPT of special   
   > > impedance. Several alternative OPT configurations are covered. Front end   
   > > is differential 6SL7 followed by differential bootstrapped 6SN7. 55   
   > > Watts output. 985 KB   
   > > 4) Norman Crowhurst�s Twin Coupled Amp. Two articles combined in this   
   > > on. Front ends are Differential 6SL7s & 6SN7s. 37 watts at clipping   
   > > using a pair of 6LU8s in one while 15 watts at clipping for the PP 6V6GT   
   > > version. 1592 KB   
   > > 5) The 33 Amp. A look at what is possible with battery operated 2 volt   
   > > tubes. PP Triode & UL versions are covered. Input is a 1B5/25S, triode   
   > > connected 33 as driver thru Interstage Transformer to PP 33s. 2.5 Watts   
   > > in triode mode, 4.5 watts in UL. 662 KB   
   > > 6) The Constant Current Regulator as a useful piece of Test Equipment.   
   > > All in a small Hammond box but can be built anyway you like. Includes   
   > > actual test data on various LEDs, incandescent bulbs, SS rectifiers &   
   > > transformer windings. 552 KB   
   > > More later time allowing.   
   > >    
   > >    
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   > > |Filename: Avater.gif                                               |   
   > > |Download: http://www.audiobanter.com/attachment.php?attachmentid=407|   
   > > +-------------------------------------------------------------------+   
   > >    
   > >    
   > >    
   > > --    
   > > John L Stewart   
   >    
   > Please send the PDF file to my email. thanks   
      
   Also send PDF's to me, jcandela A_T prodigy.net. Thanks   
      
   Jim Candela   
      
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