Extra power needed??


Bronze Member
Username: Godemiche

Post Number: 32
Registered: Jun-04
a CompVR 12'' rms is about 400 watts...

I"m running 200 to it now,,, Would I really see much of a difference by increasing the power to 300-400 watts??

New member
Username: Mattl

Bolingbrook, Illinois USA

Post Number: 5
Registered: Jun-04
Underpowering subs is the #1 way of blowing them. When you force the amp to continuously drive its full current, you are likely to get long spikes of DC power -- which is not good for an AC device (like a speaker).

I'm sure you've noticed distortion and *probably* some sustained thump that's not supposed to happen.

Always drive for having 10-20% over a speakers' RMS rating. You'll have much more crisp bass hits and sounds that actually match the music.


Unregistered guest
Ok, I've heard that you can elliminate distortion (at higher volume levels) from a head unit that powers the speakers off it's internal amplifier circuitry by installing an amplifier (connected to the head unit's pre-amps, of course). Is this true? Something about the fact that the amps power is "cleaner" at the same(or higher) power level.

Silver Member
Username: Davids2004

Houston, TX USA

Post Number: 140
Registered: Jun-04
Yes you would especially if you have a ported box.

New member
Username: The_wiz

Rochester, NY

Post Number: 2
Registered: Jun-04
Well, not sure exactly what a "ported box" is (I assume it is an enclosure for the speakers with some type of vent/port??) - but thanks for the answer davids2004. (look - I registered!) =O
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