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speaker load

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=86833
Printed Date: May 13, 2025 at 7:01 PM


Topic: speaker load

Posted By: sbacchus
Subject: speaker load
Date Posted: December 07, 2006 at 11:14 PM

hi,  if i hookup 2ohm speakers to a head unit that drives a regular 4 ohm load does this create a problem for the head unit.  note i'm talking about full range speakers here not subs and i don't really care if the speakers blow.




Replies:

Posted By: stevdart
Date Posted: December 07, 2006 at 11:21 PM
Yes, it will be a problem.  Not for the speakers, but for the head unit.  You cannot put a lower impedance load on an amplifier than it is capable of withstanding.  Look at the head unit specs and see if it gives a power rating at 2 ohms, such as XX watts @ 2 ohms @ 1000 Hz.  If it does, it is capable of driving a 2 ohm load.  But if it doesn't, it probably isn't capable.

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.




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