Needing a 1970's Yamaha Engineer (employed by Yamaha)

See post 121 & 123. I am awaiting a reply via Telekinesis, or something like that. :smash:
Sorry, I went back and looked at this again and he did explain that these are for the larger size transistors:
1666235292009.png
 
Its simple rubbish circuit from 70s with cheapest parts, TS have read to much HI-FI bla bla magazin

Use LT Spice with todays parts for circuit test and redesign


Designing Class D and you will lol about this poor simple circuit from the 70s

A High End Class AB circuit is Sansui au-X 701/901 Fullbridge

redesigned with todays parts
 

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Its simple rubbish circuit from 70s with cheapest parts, TS have read to much HI-FI bla bla magazin

Use LT Spice with todays parts for circuit test and redesign


Designing Class D and you will lol about this poor simple circuit from the 70s

A High End Class AB circuit is Sansui au-X 701/901 Fullbridge

redesigned with todays parts
TS ?
Use LT Spice ?
 
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