Uradio sam malo poboljsanje, a to je limiter strujnih pikova vecih od 16A. Ovaj limiter radi samo kada se instalira svih 8 izlaznih tranzistora, za manje mora da se promene otpornici u razdelniku 100R, 56R. Sada je ovo pojacalo mnogo bezbednije za PA, iako je sema stara 30 godina po mnogim klubovima ova pojacala jos uvek rade punom parom, a razlika u decibelima u poredjenju sa novim kilovat i jace pojacalima jedva da je cujna. Ovakva pojacala ce uvek biti korisna

Use 80V caps in PSU. 100uF/25V, 2,2uF/50V and 470pF/50V in amp input, all others 470pF/250V and 100nF/250V.

http://www.diyaudio.com/forums/solid-state/167394-quasi-amplifier-beginners-52.html#post2884176

http://www.diyaudio.com/forums/solid-state/167394-quasi-amplifier-beginners.html

550W on 4R load is maximum power from this amplifier.

For rail voltage over +/-65V DC, BC546 must be replaced with 2N5551 (reversed pins!), 2N3773 must be replaced with MJ15024 and MJE15031/MJE15030 with MJE15032/MJE15033.

Quote:
Originally Posted by vedmitraa  
Thanks again Mr. Apex as I do,nt know real name .Question again will there be any changes in resistance values for 80-0-80 version. can it deliever enough power to drive 2 15" 300 watts speakers in folded horn cabinet.please help me as I am designing P.C.B. for 8 pair 37773 version. thanking Vedmitra sharma.
Instead 22k use 2x15k in series (30k), and you can drive 2x15",
Regards