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Speakers Latest products Speakers - A brief overview2.0 Speakers (Stereo Speakers): 4.1 Speaker Audio system:
Power expressed as RMS: Power is a standard scientific formula. When comparing speakers from different manufacturers, the RMS will reflect a far more accurate power rating for the speakers. Power should only ever be measured with no clipping. When an amp clips, there is more available power, but higher distortion. It is not uncommon to see amplifier powers rated at 10% distortion. This is quite unacceptable, as this indicates that there is severe clipping of the signal. A good quality amplifier will have less than 0.1% distortion just before clipping, somewhat higher for push-pull valve amps, and a lot higher for single ended triode valves. Power(RMS) = V (RMS)2 / R where V is the voltage into the speaker and R is the speaker impedance (resistance) value. For example 12V(rms) across 8 Ohms = 18 W(rms) | ||||||
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