500W PA amplifier with Limiter

hi apex sir,
whats the difference of darlington,triple darlington. i mean the procedure.
if u can pls share the darlington b500 pcb layout.
 

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Last edited:
greetings everyone

this is my second amp build of b500...
8pairs output tranny
50 0 50 20amps trafo

thanks to sir mile a lot...

regards
ees
 

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