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echo: audio
to: JOHN HOLINSWORTH
from: KURT J. TISCHER
date: 1996-08-06 15:31:00
subject: ohms

JH>If my reciever had 6 ohm(minimum) speaker outputs, and I was running 4 oh
JH>speakers. Would that damage the speakers or the reciever?
JH>Can someone explain to me the difference in a 4 ohm to a an 8 ohm?
        I am not sure if a difference of 2 ohms would damage the
speakers or the receiver.
        The difference between a 4 ohms and 8 ohms is the amount of
resistance to current flow the speaker has.  The best way to see if your
speakers will work on your 6 ohm minimum outputs, is to test the
speakers on an ohm meter or multi-meter for their true resistance.  Even
though speakers are rated at a certain ohmage, the true resistance can
vary considerably.
        I once had a pair of JBL speakers that were rated at 8 ohms, but
when checked with an ohm-meter, the true resistance was found to be 5.6
ohms, which caused me to wonder why JBL would: 1.) rate the speakers at
8 ohms instead of 4, and 2.) let them pass at all as 8 ohm.
        Go figure :)
 * SLMR 2.1a * He who smiles in a crisis has found someone to blame.
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