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4 Channel amp plus 2 Ohm and 4 Ohm speakers

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Old 03-31-2010, 08:49 AM   #1
DevL [OP] DevL is offline
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4 Channel amp plus 2 Ohm and 4 Ohm speakers

Can I run the front channel at 2 Ohm components in fornt and the rears at 4 Ohms on the same 4 channel amp? Will this give me more of a rear fill if using a 4 channel amp with equal power to the fronts and rears? I am considering Image Dynamics CXS2 62 2 Ohm components up front and 4 Ohm coaxials in the rear? Is this do-able and will it give me what I want as far as more output up front and less in the rear without excessive fading or needing a much more powerful amp to the power I want for 4 Ohm components up front?
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Old 03-31-2010, 09:15 AM   #2
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Need more information about the amplifier (make and model).

Most amplifiers can't do a combined 2 and 4 ohm load but there are exceptions.
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Old 03-31-2010, 09:19 AM   #3
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Quote:
Originally Posted by momotaro View Post
Need more information about the amplifier (make and model).

Most amplifiers can't do a combined 2 and 4 ohm load but there are exceptions.
Have not picked an amp yet but it sounds like this might NOT be a good idea then.
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Old 03-31-2010, 09:28 AM   #4
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If you're dead set on running those comps, my advice to you would be to find a nice 2 channel amp that will run safely at a 2ohm load. Then run the rear coaxials off the head unit power.
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Old 03-31-2010, 10:18 AM   #5
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Unhappy

My only reason for picking them was to run a less expensive 4 channel amp... if I just run the rears on the head unit it would be 22 watts x2 @ 4 Ohms (Kenwood Excelon head unit). If that would be adequate for rear fill I could afford better, more expensive Components up front.

This never seems to get any easier... I know I want some silk domes that are not harsh (all the titatnium tweeters I have heard hurt my ears) and plenty of midbass in a 6.5" size. I guess I am back to the drawing board for speakers again.
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Old 03-31-2010, 11:10 AM   #6
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having a 2 ohm load on the front channels, and a 4ohm load on the rears is fine, as long as the amp is capable of driving that....most good amps are. In reality the 2 ohm ones would be technically louder than the rear. (with all things being equal) HOWEVER, remember that running the front at 2 ohms will cause a rise in distortion levels. whether or not you can hear that level, is something else.
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