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  #1  
Old 07-31-2013, 01:31 AM
rockyram21 rockyram21 is offline
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Default replacing 2 ohm with 4 ohm

Have the Alpine upgraded system in a 09.If i replace speakers that are 4 ohm instead of 2 ohm will I really lose much volume?I have done some googling but once again come away with 50/50 answers.it just seems that at least locally 4 ohm speakers are easier to come by.Cheers.
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Old 07-31-2013, 10:33 AM
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You'd lose about half the power. Impedance on the amp would drop 50%.
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Old 07-31-2013, 10:42 AM
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Don't worry about it. Have you measured your OE speakers? Not all are 2 ohm (at least in mine). You have way more issues to worry about when replacing the OE alpine speakers. There is not a full-range signal, so the only easy-swap are the dash speakers.
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Old 07-31-2013, 11:27 AM
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But if they are indeed 2 ohm (stamped on back) and replaces with 4 ohm, he will lose power. While possibly nil, still will reduce output.
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Old 07-31-2013, 11:32 AM
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I'm not sure if the front drivers use an active or passive crossover but either way, messing with the OEM impedance will harm compatibility and/or syncing of all components in the chain to work optimally.

I would stick to the same impedance as what you're replacing if in fact they are 2 Ohm.

Two ohm speakers are all over the net' if local searches yield no results.
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Old 07-31-2013, 11:49 AM
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Thanks for the replies.I,ll search for 2 ohm dash speakers and leave the doors for now.Disconnected the center channel and it already sounds better.
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Old 07-31-2013, 12:54 PM
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Just make certain they are in fact 2 ohm prior to purchasing.

Good luck and keep the board updated.
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Old 08-04-2013, 11:52 PM
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I have been having a hard time finding any 2 ohm speakers as well... I am really starting to hate this so called "premium" sound system!
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Old 08-05-2013, 10:15 AM
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Thats kinda the problem with OEM, most sue 2 ohm door, and or 1 ohm subs.
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Old 08-05-2013, 02:56 PM
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Would installing the Kicker 77KICK45 amp allow you to use 4 ohm dash and all four door speakers? I really don't want to bother upgrading everything if its not going to make much of a difference!
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