AN APPROACH TO AUDIO FREQUENCY AMPLIFIER DESIGN

 

From: http://retrolib.net/books2/approach.pdf

http://www.scribd.com/doc/34672356/GEC-Approach-to-amplifiers

 

GEC amplifiers Grade1

 

 

 

Pré-amplificador -passivo

 

 

Pré-amplificador -ativo

 

 

 

 

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GEC amplifiers Grade 2

 

 

Duas versões Williamsom a original e a Ultra Linear

 

Tamanho grande apenas na Williamsom Ultra Linear

 

 

 

 

 

Single Ended KT88

 

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