pass labs taking to car??

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hello guys there, I just sold my car power amp ( smal italian workshop made just 20-30 of them. military circuit, 80 000uf PS, class a, look like aleph 3, and the heatsinks almost the same size as in aleph 5) the sound was awesome.. but it played only 30 minutes when engine is of..

now I would like to built something nice.. of course not zen 1 :) but something class a like 2x 20-40wats 4ohm load and power comsumption around 100-150w both chanell on idle.

also the bigest question, how I can build/buy dc/dc(?) choke which rise my 12v to needed voltage??


what amp dou you sugest for this? zen v5/6?? aleph 30?
or maybe some nice other design.. ??

thanks a lot..
 
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