i just purchased a pair of infinity 693.7i 3-way 6x9" speakers. the guide says the speaker is meant for a 2ohm load. what would be the advantage to running the highs in 2ohm? i understood that 4ohm would be more crisp.
am i correct in saying the only advantage id gain by putting the pair of speakers in 2ohm would be to save money on an amplifier? or would i actually gain some sound quality/SPL advantage? (same wattage, different load)
or should i run it in 2 ohm just cuz infinty says to do it? ive never encountered highs that say 2ohm before...so before i purchase the amplifier, i need to know which load i should wire them up to, and which would be the better way to do it.
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Well, you don't set how many ohms you want at the amp, the number of speakers, wiring, and impedence of the speaker set the ohm load into the amplifier. Since they are a 2 ohm speaker, I'd suggest getting an amp that is 2 ohm stereo or 4 channel 2 ohm stable.
you're right about saving money on the amp. that's the only advantage i can think of. The problem with running a lower impedance is that distortion increases.
Lanman31337 wrote:Well, you don't set how many ohms you want at the amp, the number of speakers, wiring, and impedence of the speaker set the ohm load into the amplifier. Since they are a 2 ohm speaker, I'd suggest getting an amp that is 2 ohm stereo or 4 channel 2 ohm stable.
i know that much man, come on!
i do know how ohm's law works...
i was just curious about sound output at 2ohm vs 4ohm for a non-subwoofer speaker..i had only ever heard of a sub being wired at 2ohm....and my train of thought would tell me 4ohm would be better...was looking for confirmation from sndsgood or from wsiwyg or people equally as smart as those geniuses.
im a good installer, just inexperienced...and the best way to learn is from those that know already!
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Might be because the Emit Tweeters run better on 2 then 4 ohm, according to Infinity.
Only bad thing about them Speakers, in My oppinion is the 3db +- function. If you have them enclosed in the rear deck, you cant play with the button. However if your rear deck rests on it, it may go on and off every time you hit a bump. That would sux.
Power Handling, RMS: 110 Watts
Power Handling, Peak: 330 Watts
Sensitivity: 95dB
Frequency Response: 35Hz - 25kHz
Mounting Depth: 3-3/16"
Impedance: 2 Ohms
Yet at 110 watts RMS, I dont think they are reducing the need for an amp, but requiring the use of one.
Fudge, i though i hit post when i made my reply 3 hours ago, oh well its a little late.
not if there is a grill on top d00d. besides, i cut the wood where the speaker is...just carpet on top.
110w rms @ 2ohm means a less hardcore amp than 110w rms @ 4ohm...thats what i was talking about.
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I've run speakers at 2 ohms, no problems, didn't notice any distortion, just much louder at 2 ohm. Think of all the guys/girls who have door speakers and kickpanels, they're prolly running at 2 ohms as well.
BUMP!
john lenko? wsiwyg? sndsgood? any advantage to running 2 ohm highs instead of 4 ohM?
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i was more worried about the actual sound output at 2ohm vs 4ohm.... that doesent answer my question.
i know i can get a lower power amp if i wire it up in 2ohm... but am i losing SQ and gaining SPL? if so, is it enough that i should stay away from 2?
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The ratio of amplifier impedance to speaker impedance is called damping factor. It's value represents the amplifiers ability to put the brakes on a speakers motion. Lowering the output circuits impedance lowers the damping factor, so yes, you would lose some sq. But it'll be so little that you'll never notice. I've ran speakers at 2 ohms before and never noticed any change in sq.
thats kinda what i thought too. thanks so much, thats exactly what i wanted to hear.
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the diffrence nowadays betwen 4 ohms and 2 ohms isnt worth the bother, distortion levels are so low that it wont have much effect, 10 years ago i would have told you to stick with a 4 ohm speakers, but even the cheaper amps on the market now a days have decent distortion levels. most under 1% so even doubling that when u go from 4 ohm to 2 ohm would only give you 2% wich is still undetectable to the ear. it generally takes above 4-5% distortion before the human ear can detect it. i havnt been checking the audio forum lately.
http://www.flickr.com/photos/sndsgood/ https://www.facebook.com/#!/Square1Photography
thanks for the explanation...your still the man!
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