Polk MM651 and RF Amp
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Tourer
Joined: Jan 2010
Posts: 374
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From: Overland Park, Ks
Polk MM651 and RF Amp
The RF amp is 4 ohm only and not 2 ohm stable. The Polk MM651 are 2.7 ohm. Can I use them without hurting the amp? I have read here that guys are using them with this amp.
Cruiser
Joined: Feb 2010
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From: Orange City FL
Road Captain
Joined: Jul 2007
Posts: 682
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From: Wichita, KS
I'm in the same boat, but I don't think so. A lesser ohm speaker will eventually smoke the amp, I just don't know how long it will take, or how hard you have to push it to do so. I was really hoping someone with more knowledge would chime in here.
Mike
Mike
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From: East of the Sun, West of the Moon
the thing you have going for you in using a RF amp is their notariety on being a solid piece of equipment. I feel pretty comfortable in telling you that you will be able to run the 2.7 ohm speakers without a problem. the amp might get a little warmer (not smoke it) than normal but you will be ok.
Road Captain
Joined: Jul 2007
Posts: 682
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From: Wichita, KS
I found a little info on the net today. RF amps, especially newer ones are stable down to 2 ohms. If you're installing 2 speakers, the suggestion was to run it with the channel switch set to 4, and there'd be no issues. Looks like it's time to order an amp and speakers!
Mike
Mike
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Joined: Jul 2011
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From: Royal Oak, MI
I found a little info on the net today. RF amps, especially newer ones are stable down to 2 ohms. If you're installing 2 speakers, the suggestion was to run it with the channel switch set to 4, and there'd be no issues. Looks like it's time to order an amp and speakers!
Mike
Mike
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