Is it wise or dangerous to use 4 ohm on 8 ohm tap?

"I have discovered that powering my audio physic virgo which are 4 ohm via the 8 ohm tap on the audio research vs110 gives the virgos a more upfront balance with more life to the sound which I like..

I believe that it is safe to use the vs110/virgos this way without damaging either amp or speakers ??? I used to run 4 ohm snell type via 8 or 16 ohm tap on leak tl10.1 without problems... just need to check with you guys that know damage will be done ? Thanks."

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