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Discussion Starter · #1 ·
I've searched high and low regarding this setting but still can't find a clear answer.


I have a Onkyo 808. It is capable of driving my speakers or either 6 or 8 ohms. My speaker (B&W HTM4S) has a nominal impedance of 8 ohms, but also says minimum 2.6ohms.


Would I be better to run these speakers at 8ohms or 6 ohms? What would be the difference sound-wise? would there be any?


Thanks.

p.s I meant to put 6 or 8 in the subject line but can't change it!
 

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Leave the receiver at 8 ohms as your speakers are 8 ohms nominal impedance. From my experience adjusting the impedance below 8 ohms will reduce the power available to your speakers not increase it.


Mark
 

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The switch likely does nothing but lower the power supply voltage, and the amp will clip sooner, so it seems like a bad idea to change it. Leave it at 8 ohms.


Lots of speakers have low impedance dips, yet don't seem to cause issues. Consider that a real world signal would have to have one or more high amplitude waves in the frequency range where the valley occurs.
 
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