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8 Vs 4 ohms

I have a Rogue (tube 55W) integrated amp that has 4 & 8 ohm taps. I have Dali Helicon speakers rated at 4 ohms and curretnly I am running them on the 8 ohm output from the Rogue. Does this hurt anything, what differences in sound could I expect running 4 Vs 8>

Thanks,

dan
djk
newbee
4,794 posts
 
It won't hurt anything except it will sound different, only slightly perhaps, on careful listening. Typically at 8ohms the highs will be smoother and the bass a little loose. On 4 ohms you will have a tighter bass response and it may or may not effect the highs.
djk OP
3 posts
 
Thanks, I will check it out.
cford
66 posts
 
The 8 ohm tap will output more volts but less peak current.
Power = Volts x Current
= Volts x Volts / ohms
= Current x Current x ohms
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