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Re: ROTEL RECEIVER not RATED FOR 4 Ohm?,
Wid #283280 12/21/09 05:27 PM
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Hi Rick and all,

As I explained in a PM to Rick, impedance ratings by the designer are "nominal"--arrived at by eyeballing the overall impedance curve and picking a number that is kind of an average. Since the M80 impedance curve does touch 4 ohms at several places, and remains below 8 ohms up to nearly 1 kHz, for the sake of clarity, Axiom refers to the M8os as "4-ohm speakers". Actually, Ian Colquhoun, the M80s designer says they are closer to 5 ohms.

The point is that in the frequency range where the greatest amount of current is drawn, the M80s' impedance is at 4 ohms or slightly above that figure, so that's why we give it a nominal impedance rating of 5 ohms. To avoid confusion in the specs we call it 4 ohms.

Regards,
Alan


Alan Lofft,
Axiom Resident Expert (Retired)
Re: ROTEL RECEIVER not RATED FOR 4 Ohm?,
alan #283285 12/21/09 05:51 PM
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Aww, you could call them 5 ohms and give people another random reason to hate them!


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Re: ROTEL RECEIVER not RATED FOR 4 Ohm?,
Ken.C #283299 12/21/09 06:56 PM
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I don't see what chart John is looking at. \:\)


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
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Re: ROTEL RECEIVER not RATED FOR 4 Ohm?,
Ken.C #283328 12/21/09 08:29 PM
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 Originally Posted By: kcarlile
Aww, you could call them 5 ohms and give people another random reason to hate them!


LMAO!!


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Re: ROTEL RECEIVER not RATED FOR 4 Ohm?,
Ascension #283333 12/21/09 09:25 PM
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So, to conclude...the M80s are considered 4(5?) ohm speakers, for the most part, because they touch 4 ohms at lower freq's where they draw more power? If the charts showed they dropped to 4 ohms but much higher up in the fq's, then could they be considered 6-8 ohm speakers? If it is an average, wouldn't/shouldn't the lower fq's take precedent over higher ones?


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Re: ROTEL RECEIVER not RATED FOR 4 Ohm?,
Adrian #283393 12/22/09 01:45 PM
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Adrian,

Yes, yes, and yes.

Alan


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Re: ROTEL RECEIVER not RATED FOR 4 Ohm?,
alan #284512 12/30/09 08:09 PM
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Do you think you should be shouting Adrian's name followed by "Yes, Yes, Yes" ?


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Re: ROTEL RECEIVER not RATED FOR 4 Ohm?,
Murph #284513 12/30/09 08:16 PM
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\:o


Half of communication is listening. You can't listen with your mouth.
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