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post #17 of (permalink) Old 24th August 2006
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The RMS thing isn't actually true.

I would personally advise that you run an amplifier that gives out 10-20% more than the RMS values of the speakers you are planning to run.

You'll never see the amp give out it's true RMS power (unless you enjoy playing 0dB sine waves), and more power from the amp allows plenty of headroom, so you never risk driving the amp too hard, and sending a clipped signal to the speakers.

My midbass drivers are rated 150w RMS each and I'm driving them with 250w RMS each side, and they're loving it.

The headunit should have a "remote" wire out too (usually blue and white) - crimp on a bullet connector and run that wire to the amp's remote connection - this will power up the amp whenever the HU is switched on.

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