2. amps-preamps
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4 8 or 16 ohms.

Hi group I just purchased the Audio Research REF 750s mono amps. On the back for the speaker terminals are 3 sets of binding posts. 4 8 and 16 ohms. I will be using B&W Matrix 800 speakers. I believe they are 8 ohms but not 💯 sure. I looked in the manual but can’t find anything about ohms. Someone said to me it does not matter what ohms I connect my speakers to. He said just use the ones (ohms) that sound best. Does that seem right to do ? I don’t want to damage my speakers or amps.  BTW if it matters I will be using an Audio Research REF 6SE pre amp. 

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Showing 1 response by hoosierinohio

hoosierinohio
146 posts
 

I believe it is 4 ohm. 

 

The 4 ohm input impedance characteristic was chosen for two principal reasons. First, the B&W engineers felt that most good amplifiers (with which this system will, no doubt, be used) would deliver their maximum power into 4 ohms or less. The second refers to the ideal situation where the driving amplifier runs out of volts and current at the same time, thereby delivering the maximum power to the speaker load. This, according to Dibb, is more likely to occur with a 4 ohm load.

Copied from a Stereophile write up. 

https://www.stereophile.com/content/bampw-matrix-800-loudspeaker-page-2

 

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