http://www.elitesecurity.org/t415882-0#2790674 http://www.diyaudio.com/forums/solid-state/163159-150w-mosfet-amplifier-irfp250x2-8.html http://www.diyaudio.com/forums/solid-state/163159-150w-mosfet-amplifier-irfp250x2.html Zeone rekoh ja Legenda,ziva:))))) DAnas sam sve zavrsio,mjenjao napajanja: Na Apex-ovom stabilizatoru sam "vozio"napon od +-/30 do +-/65V,mene licno sanga ne inetersuje,ali Stk je trazio sta moze izvuci pa hajde,izlazni tranzistori su zamjenjeno orginalnim Irfp250.Da bude sve po psu:)) Stab,bi trebao veci hladnjak,posto sam koristio dva sve je bilo ok. Na 8oma +-/50V 80W Na 4oma +-/50V 130W Na 2oma,i to je prezivio,izbacio je veliku sangu,mada bez jos dva izlaza ne isplati se igrati..... Sva mjerenja na 75% snage,koristena su dva Apex stabilizatora,ovaj trafo na slici je bio dovoljan za oba kanala,na mjerenju sam koristo toruse 2 komada 2X70V 600W. APEX:NX14 on test biased with 200mA have DC offset 6mV without any adjust and matching transistors. There is no any click from speakers when powered on.200mA bias decrease to 120mA when amp was hot, I considering to put two 1N4148 diode or LED in series with BD139 to prevent bias decrease.When amp (NX14) was warm (very loud home listening) bias was 180mA, offset didn't changed 6mV with any temperature.If you can set BIAS to 200mA, replace R17 (1k) with 470R. Test wireing, for bias adjust put 10R instead fuses and set 2V for 200mA.