@kcpellethead
I suggest you look more closely at the specs on the 3M TM, which I own, that sensitivity spec is only applicable above 200 hz. So you will get plenty of volume in the mid-range and above with low powered tube or SS amps but anemic bass output. I've tried it.
I suggest you look more closely at the specs on the 3M TM, which I own, that sensitivity spec is only applicable above 200 hz. So you will get plenty of volume in the mid-range and above with low powered tube or SS amps but anemic bass output. I've tried it.