If you own quality monitor speakers you want to read this new review


Today, my review on the NSMT 20M Armada speaker was just posted on Stereo Times. It will give you all the details regarding way this two piece (Monitor mounted on a band-pass active sub-woofer pedestal) is a superlative full range speaker.

However, if you love your monitor speakers you owe to yourself to read the details that explain the difference between adding a pair of sub-woofers vs. a pair of band-pass sub-woofers, because their effect will transform your monitors seamlessly into a full range system. Not just bass extension, but because of how a band-pass active sub-woofer fills in the power range (lower mid-range/upper bass) and also pressurizes your room so all the ambient cues that create, both power deep accurate bass and a vast panoramic layered sound-stage. I ran a detailed extensive process involving over ten monitor speakers with a pair of excellent sub-woofers compared to the MSNT band-pass sub-woofer pedestals, and every time the sonic "magic" took place that was quite different then using a pair of sub-woofers. If you own Harbeth or other highly regarded British monitors you will be amazed what will take place in your listening room. There is also a detailed explanation that lays out the difference between an active band-pass design and a normal sub-woofer.   Terry London/Teajay
amorstereo
I'm thinking that the "what ifs" are included in the review.But not having read it yet....
Stand mounts are very good but cannot duplicate a live performance like A good 3  way speaker with a  minimalist Xover .
the open baffleSpatial  audio labs X3 comes to mind with the superb Beyma
horn loaded AMT tweeter- midrange,12 inch mid  bass driver , and powered bass from 90 hz down ,and  97db efficient.
I’ve been using MB columns (active band pass 80-300hz) for 10+ years and GR servo bass (60-80hz and down) for 3 years. You call them Band pass, we called them Bass Bins. I had a pair of 500 lb 20 cf tri-pole Bins.

They were made for a dance floor. You could point a single pole UP or forward or against a wall or back to back the units in the center of a bowl venue. There use to be a lot of dancing on TOP of those speakers
around harvest time.. :-)

100 x 100 x 20 shop, they would pressure the whole thing..

Regards
I still use my Velodynes. Active, with DSP continuously variable high pass and low pass, volume adjust, contouring adjustment, and phase angle adjust, as well as remote control, to adjust from my listening position. 2005 15” DSL model. 
So this is an OLD idea. Nothing new here.