24-Sep-2015, 18:26
(24-Sep-2015, 14:09)DSD Wrote: Ohms law I = V/R - 3000 / 240 = 12.5 amps
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Not true, you cannot work it out like this and your calculation is flawed, it will not draw 3000w from the mains and will not produce 3000w constantly anyway, otherwise the Phantom would make an efficient room heater. The mains voltage is transformed via s SMPS down to a DC voltage (maybe 60v, we don't know for sure) which powers the various amplifiers in the unit. We also do not know the impedence of the drive units to successfully calculate current draw from the power supply. The quoted power output of the Phantom is not 3000w constant RMS, more like a Music power rating split over the bass, middle and treble amplifiers. Those with Silvers should not think you have a fully rated 3000w amplifier inside.
