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4ohms or 8ohms for refurbished WATT/Puppy 5.1's?

 Hello,

I'm hoping for some guidance here.  I have a McIntosh MC2100, McIntosh C28, and WATT/Puppy 5.1's (7 tweeter and 6 midrange, they are refurbished).

My question is, on my MC2100 there are posts for 4ohms, 8ohms, and 16ohms, and I'm not sure which posts I should be using.  The seller told me they are 6ohm speakers, but that still doesn't do much in terms of helping me understand which one to use.  

I have done some research and listened at both 4ohms and 8ohms, and it seems like 4ohms may sound a tad better. 

I am not very well versed in this realm, so any insight would be very much appreciated!

simonphoenix
yogiboy's avatar
yogiboy
5,780 posts
 

If the 4 ohm tap sounds better us them!

In summary, the 4-ohm tap has a lower output impedance because it’s closer to the primary winding, allowing for efficient power transfer. Experiment with both taps to find the best match for your specific setup!

jasonbourne71's avatar
jasonbourne71
1,276 posts
 

The 4 ohm tap has half the copper windings of the 8 ohm tap. Use whatever sounds better.

ghdprentice
7,347 posts
 

The rule of thumb is to try them. Like positioning, it is a suggested starting point.

 

i would start with the one you immediately think sounds best and leave for a couple months. This will allow you to really get to know the sound. Then switch. If the change is not obvious, leave there for a couple weeks and switch. Doing really slow changes will allow you to listen to the music… all kinds and really know the sound before changing. It is likely the best will stick out like this.

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