You strike me as a person who is curious. You may want to order a pair of M2 bookshelves and compare against the M80 and SVS. Use a sub with the M2. You may be pleasantly surprised at just how good they soundstage and image. In my book, they are good for up to 12 foot listening distances.

Check out my M2OW and bookshelves. I love the v4 mid-woofer. I love v4...period!

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Some serious bass, without a sub, from the robust mid-woofer right here:

https://drive.google.com/file/d/1dbcSBrC2N433hb0nkj3vYxa3Bf-vxx6Z/view?usp=drivesdk

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated