Using Professional Amps On Home Theater Speakers


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Are there any drawbacks other than fan noise to use pro amplifiers on hard to drive home theater speakers? I have several pair of the amp-killing 4 ohm Infinity Kappa 9 speakers that dip down to 1 ohm. To use six or eight of these speakers in a home theater would take a tremendous amount of money to power them sufficiently. There are certainly lots of speakers out there that are waay more efficient, but I already own these and would like to find a solution to power them sufficiently for my home theater. The Kappa 9 are about 85db efficient and suggest an amp of 60-340 wpc.

On the web I've seen a professional amp made by QVC, their MX2450 model is rated at 650 wpc @ 4 ohms and 1200 wpc @ 2 ohms for $750.

The amps will be 40 feet away from the seating area, so fan noise will not be a problem. Black background, liquid mids @ highs, wide and deep soundstage, "air", extended decays and all of the rest of the adjectives to describe a desirable two-channel amp is not important. I just want it loud and powerful. My home theater will be totally separate from my two-channel system.

Please weigh in with your opinions on this.

..thanks, Mitch
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128x128mitch4t

Showing 1 response by drumhead4

I use Alesis RA500 with MMG's. Very happy and no fan. The Crown K2 is supposed to be even better.