roscatu Posted December 10, 2012 Share Posted December 10, 2012 Salut, imi puteti recomanda va rog o schema si cablaj daca se poate pentru un amplificator de 500-600 de watti deoarece am 2 boxe care au 300 W in 4 ohmi fiecare.Multumesc Link to comment Share on other sites More sharing options...
remus68 Posted December 10, 2012 Share Posted December 10, 2012 viewtopic.php?f=5&t=6495&hilit=av400 Link to comment Share on other sites More sharing options...
roscatu Posted December 10, 2012 Author Share Posted December 10, 2012 http://www.elforum.info/viewtopic.php?f=5&t=6495&hilit=av400rezista in mod de petrecere? Link to comment Share on other sites More sharing options...
remus68 Posted December 10, 2012 Share Posted December 10, 2012 Daca are racire buna, si la doua petreceri. Link to comment Share on other sites More sharing options...
roscatu Posted December 11, 2012 Author Share Posted December 11, 2012 Daca are racire buna, si la doua petreceri.scuze ca intreb, dar nu observ schema niciunde in acel thread? Link to comment Share on other sites More sharing options...
remus68 Posted December 11, 2012 Share Posted December 11, 2012 Posteaza acolo cu butonul "raspunde" si solicita sa fie repostata schema. Link to comment Share on other sites More sharing options...
nel65 Posted December 16, 2012 Share Posted December 16, 2012 de asta ce zici? e cu bipolari,l-am facut eu acum de curand insa am folosit ca finali perechea 5200/1943 ,cate 4 bucati pe ramura (8 pe canal),sau vrei cu mosi? Link to comment Share on other sites More sharing options...
Mircea Crisan Posted December 16, 2012 Share Posted December 16, 2012 Si mie imi place schema asta postata de Nel65.Daca se poate niste poze cu montajul as fi recunoscator.Toate cele bune,Mircea.Protectia functioneaza? Link to comment Share on other sites More sharing options...
nel65 Posted December 16, 2012 Share Posted December 16, 2012 functioneaza perfect ,la + sau - 1,5 Vcc (baterie de 1,5V) aplicat la intrare decupleaza in mai putin de o secunda,plus intarzierea la pornire vreo 4-5 sec ,plus termic cu senzorii de temperatura ,pe care inca nu i-am montat pe radiator ,insa urmeazaLEschema asta ,cu mici modificari in zona superdiodei,se afla si in amplificatoarele PA600.Acolo se alimenteaza cu +-80V si are cate 5+1 finali pe ramura MJ15022/15023 Link to comment Share on other sites More sharing options...
capabilu Posted December 16, 2012 Share Posted December 16, 2012 Felicitari, frumos lucrat Cu ce il alimentati ? Link to comment Share on other sites More sharing options...
nel65 Posted December 16, 2012 Share Posted December 16, 2012 sursa comutatie +-60v stabilizat,e o sursa de teste,am obtinut 44 Vrms la 400hz,43 Vrms la 1000 hz si 41 Vrms la 10 khz,pe sarcina de 8 ohmi,pana cand a devenit vizibila taierea sinusoidei pe osciloscop digital.Alte masuratori nu mai fac ca nu mi se par concludente ,amplificatorul va fi pentru uzul personal Link to comment Share on other sites More sharing options...
Mircea Crisan Posted December 16, 2012 Share Posted December 16, 2012 Felicitari si din partea mea!Si eu intentionez sa-l realizez dar cu 3 perechi de MJ15003/4Stiu ca nu pot depasi +/-70Vcc cu tranzistorii astia asa ca as merge la limita cu +/-68Vcc tot SMPS stabilizat.Toate cele bune,Mircea. Link to comment Share on other sites More sharing options...
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