Question about Soundstream PCA1000D Car Audio Amplifier
Have two soundstream amps a pca1000d 1000wattx1 at 2 ohm I also have a pca4.400 100x4 @ 2ohm need to know minimum amperes to run both efficently
Go by the fuse rating on the amplifier as a default. i.e. - If on amp has a 40 amp fuse on the outside and another has a 30 amp fuse on the outside, then you need to supply at least 70 amps of current. the formula works like this: amps X volts = watts. Doing the math here, for an amp to produce 1000w of power @ your vehicle's 12v power, you need 83 amps of current. Most cars produce 14v from the alternator when running, so this is really only needing 71 amps. Make sure your car's alternator can supply the excess current when running. Most modern amplifiers are efficient enough to produce their wattage with even less current than that.
Posted on Aug 03, 2008
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Posted on Jan 02, 2017
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