When looking at amp power spec, 2 values are often given. One is the power rating at the normal 12 volt, the other at 14(or 14.4) volt. The 14 Volt rating is always higher. How do you achieve the 14 Volts? Is this the result of a capacitor being used? Or is this the rating if your HU has powered RCA outs. I think my Pioneer HU has like 2 or 3 volt RCAs which would account for the amp recieving a stronger signal. Any help please!!!
i'm sure it's referrinmg to your operating SUPPLY voltage...obviously there will be fluctuations in the input supply (power supply ) rail that will affect the outcome at the output stage, so they are giving you a rating based on both values
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
The voltage ratings have nothing to do with anything other than marketing. ALL current car electrical system supply between 11.5 and 13.8 volts, and there is absolutely no advantage to using a capacitor in terms of trying to "up" your voltage. You cannot do that in a normal car. 12 volts is the design nominal and is the only voltage that matters. 14.4 volts is the MAXIMUM input power supply voltage the system can handle. Ignore these ratings, just like you should ignore all PEAK ratings and use RMS values. 14.4 ratings listed on amplifiers are used for sales and advertising purposes only (and to make crappy equipment look better than it is.)
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