This is what I wrote on combining Quad electrostats with subwoofers, and the same answer applies here: https://forum.audiogon.com/discussions/best-subwoofer-for-quad-2805-under-5k/post?postid=1482097#148...
Pairing Planar Speakers With A Subwoofer (Eminent Technology)
What do you think of pairing the Eminent Technology LFT 8-B planars with a pair of Rythmik F25 subwoofers?
Please check out my room on my system page. I am attempting to emulate a set of Infinity IRS Betas.
System page: https://systems.audiogon.com/systems/876
Eminent Technology LFT 8-B: http://www.eminent-tech.com/main.html
Rythmik F25 subwoofer: http://www.rythmikaudio.com/F25.html
Please check out my room on my system page. I am attempting to emulate a set of Infinity IRS Betas.
System page: https://systems.audiogon.com/systems/876
Eminent Technology LFT 8-B: http://www.eminent-tech.com/main.html
Rythmik F25 subwoofer: http://www.rythmikaudio.com/F25.html