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Principala problema a amplificatoarelor..!?!?!


godanlex

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Recent am dat de ocazia de a cumpara vreo cateva amplificatoare stricate la pret de nimic.. si aici ma refer la 20Ron unul, daca ma chinui un pic le scot si mai ieftin.. dar problema e ca eu nu ma pricep si nu stiu daca am ce face cu ele, adica sa ma uit ce e stricat la ele, cat ma costa sa le repar mai am ce face cu ele.. e rentabil :freaza: ..???

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    2

Nu inteleg ce vrei sa afli..... cat costa sa repari acel amplifcator, daca la asta te referai, evident ca este o intrebare prosteasca; doar nu te astepti sa primesti un raspuns cu o suma. Reparatia costa, bineinteles, in functie de defect. La 20 ron nu poti cumpara nici un condensator de filtraj, asa ca am mari dubi in privinta a ceea ce ai cumparat tu.

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deci inka nu am cumparat nimica, dar am oferta.. cel care le vinde spune ca sunt stricate, arse sau asa cv.. ei bine eu nu stiu ce sa fac , sa le cumpar sau nu.. sunt intregi doar ca nu functioneaza.. Merita sa le cumpar si sa le repar, cam ce se strica deobicei la ele..?

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De regula sunt arsi finalii, insa te poti trezi chiar si cu transformatorul ars. Ai grija sa nu fie modele foarte vechi pentru care nu mai gasesti piese ca pe urma ajungi tot la diy, sa montezi kituri prin ele.

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Intreb asta gandindu-ma ca daca iau vreo trei stati cu 60Ron e bine, adica daca statia a costat 20Ron stricata si ma mai costa reparatul inca 70-80 ron e f bin :dans: sper doar ca piesele enumerate de voi si manopera sa nu coste mai moolt..

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Daca finalii sunt STK-uri, poti conta pe faptul ca vei folosi acele carcase la altceva. :rade: STK-uri nu se mai fabrica, iar NOS sunt extrem de scumpe, 200~500 RON, un traf de retea "Bando" ceva peste 50 euro, potentiometre "ALPS" simple de la 50 RON, cu corectie fiziologica/prize loudness de la 100 lei/buc(daca ai norocul sa le gasesti).Daca statiile acelea sunt "brand"(Marantz, Denon, Akai, Philips, Yamaha, etc) la 20 de lei merita sa le iei pt carcasa si recuperat una-alta de prin ele.

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Sper sa nu fi luat tzeapa...am luat unul din amplificatoare, cel de la care l-am cumparat a avut mai multe si nu se pricepe, le aduce de dincolo.. din spusele lui are cv probleme cu butoanele de pornire..Carcasa are cv julituri drept dovada ca nu a fost pastrata prea bine.. in rest la interior nu pare cv ars, bine nici eu nu prea ma pricep si nu stiu unde sa ma uit.. si cablul de alimentare e cam ciudat.. Pe net nu am gasit aproape nik de el, dca stie cnv ceva date legate de el..Mentionez ca amplificatorul a costat putin..

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Despre amplificator..."Far away from the crap built those days in the someway blurred Hi-Fi market, I got very surprised by this good integrated amplifier. Very few comments on Akai components besides their strong and well regarded magnetic recording machines, with far more sales in Europe, mainly Germany and France. Good toroidal transformer, 15.000 mF caps, discrete components, mixed with a face tipically of early 80`s (this is from 1983), the fact is that this is an open loop circuit, meaning that Akai was searching for musicality and not trying to show a row of "0" before their first meaming number of THD as usual. Resurrected by changing 4 zeners (only 1 broken phisically, so nothing of science here), It sounds very very very good, it deserves a recapping operation.So far a kind of description... Now I invite every kindful soul that could spread some light to the only issue I hear and think it`s not as it should... Some very noticeable (high) "hiss" or better "residual noise", in fact I had Amps with noisy bottom levels but this is wrong for me, and it seems to be a litte higher in one channel, not having neither a SM or Schematics I don´t know where to start ... Advices will be ... you know... very welcome!!Cheers,Marcelo"

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Daca ai cum sa-l repari merita din plin(la ce consum are notat pe spate... :dans) Depinde si ce e stricat la el....de curiozitate, cat ai dat pe el?

Da am vazut si eu, si am mai gasit cv cum ca ar fii undeva la 2x80W..

N-ai fatza de el atunci, ia-ti din supermarket la mii de wati PMPO :bataie
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