Please can anyone who understands zero-feedback class-a amplifiers comment on the schematic shown here?
Ebay 15W zero-feedback class-a modules
Is this accurately described, on another ebay con...?
Ebay 15W zero-feedback class-a modules
Is this accurately described, on another ebay con...?
This circuit is a classical push pull power follower (source follower, unity gain, but not "zero feedback" design - only "zero negative feedback" design !!) without voltage gain stages.
To get more informations about the circuit please read the article "cool follower" from Andrea Ciuffoli - Home Page
http://www.audiodesignguide.com/my/index.html
I would prefer the "Power Follower 99" from the same author, also to find on this website and about
http://www.diyaudio.com/forums/showthread.php?threadid=8552
Please note, that there are no heatsink and no transformer regarded Item number: 120450912260. In additional there are no computer grade main electrolytic capacitors with screw terminals. That is the main reason for the ultra low cost for one pair of this auction
To get more informations about the circuit please read the article "cool follower" from Andrea Ciuffoli - Home Page
http://www.audiodesignguide.com/my/index.html
I would prefer the "Power Follower 99" from the same author, also to find on this website and about
http://www.diyaudio.com/forums/showthread.php?threadid=8552
Please note, that there are no heatsink and no transformer regarded Item number: 120450912260. In additional there are no computer grade main electrolytic capacitors with screw terminals. That is the main reason for the ultra low cost for one pair of this auction
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