Quote:
Originally Posted by laurentiu111
sal.pt 3 sub GZ Radioactive 500 RMS fiecare ce ampl imi trebe??dak stie cineva.ms.
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The true power output of an amplifier can be estimated by examining the input current. Linear amplifiers tend to be about 60% efficient at best. A switch-mode amplifier (known as class D) can achieve much higher efficiency, sometimes as high as 95%. A linear car amplifier labeled "500 W PMPO" but fitted with a 5-amp fuse can, at most, deliver an average power of 5 A × 14.4 V × 60%, or about 43 watts. (100% efficiency is always used for PMPO)
in caz ca nu intzelegi ce scrie acilea ......zice ca un amplificator care zice ca scoate 500w putere PMOP defapt e doar de 43w putere adevarat!!