new speakers
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Junior User
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new speakers
this site is awesome, im always learning something but now i have a question, i tried searching for it but couldnt find any answers, sorry if this has been mentioned before....i have a 5ch amp that is rated at 2ohm.t i am running my whole system off of this amp. i want to upgrade my front speakers and the ones that i am looking at are rated at 4ohm. so i am wondering if i can run these speakers at 2ohms??? or will this cause problems.....either way the speakers will be under their reccomended RMS power rating so i think that i am ok....will this work or am i risking ruining my new speakers??? thanks in advance
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ok i posted there also...thnaks......but the amp is a hifonics zues zxi 8006 5ch amp. the amp is rms rated for 110x4 and 300x1(sub) at 2ohms. it can be run at 4ohms and then its rated at 55x4 and 200x1. my speakers are currently inifinty kappa 682.7 2-way speakers, and they are rated at 100 watts rms at 2ohm. the speakers that i have and would like to install are infinity perfect 5.1 components, also rated at 100 watts rms but at 4 ohm i got the speakers from a friend at a really good price and was hoping that they would work with this amp, but dont want to risk doing damamge
Fleet Mechanic
Joined: Aug 2005
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From: NJ
The short answer is yes they will work, however keep this in mind. Those perfects you just got although rated at 4 ohms can dip down below 2 ohms when playing. I know that this sound's crazy, but I just went through a long trouble shooting process as to why multiple amps would shut down in my truck and this turned out to be the problem. I got this information directly from Infinity, depending on how picky the amp is you might have trouble with it going into protection mode, or you might shorten its life span.
Also Perfects are very power hungry, I think they would be under powered with that amp.
Also Perfects are very power hungry, I think they would be under powered with that amp.
Last edited by rwilimo; Sep 7, 2007 at 07:03 AM.
Postmaster
Joined: Jan 2005
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From: Peoria, IL
You can always go with a higher impedence rating, you just can't go lower. Since your amp is rated as low as 2 ohms, running a 4 ohm speaker would be no problem. Running a 1 ohm speaker would cause damage though.
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thanks for the responses...my questions now is if they are rated at 100w rms and i am giving them 110w rms is this still too little??? i thought that if you fed speakers more than their rms wattage you risked blowing them??
Fleet Mechanic
Joined: Aug 2005
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From: NJ
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The only speakers I've damaged have been from a cheap amp that was actually rated less than the speakers. A cheap amp will start clipping whan overdriven. The way I understand it is that when overdriven, it sends a short pulse of DC voltage to the speakers instead of AC. In my experience, if you have a quality amp rated at let's say twice the power of the speaker rating, you would be hard pressed to hurt the speakers, becouse you are feeding them clean power.
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