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Subwoofers - Final Thoughts with Martin Logan ESL 13A

I’ve narrowed this down to 3 choices (I think) and was looking to see if anyone has had some experience with pairing these subs with ML ESLs? I can’t try and return because they are mostly secondhand purchases, so hoping to get it right the first time!

Force Cancelling subs have been highly recommended, so:

KEF KC92 (or KF92 older model) 2, 3 or possible 4 of these:

https://assets.kef.com/product-support/kc92-subwoofer/KC92_info_sheet_EN_V4_20240124.pdf

Martin Logan BalancedForced 210 - Maybe the best as they match up nicely, but I could probably only do one of these as they are HUGE. I have only one spot I could put one as far as the manual's recommendation goes. Martin Logan says these will cover 3000 sq. ft. My room is only 500 sq. ft. Two maybe overkill, but some say, "2 subs or no subs" Maybe I could put another addition on the house :-( 

https://www.martinlogan.com/en/product/balancedforce-210 - click on Specs/Lit

Lastly, The Swarm Subwoofer System - not sure how well this would work with my ESLs.

https://www.audiokinesis.com/the-swarm-subwoofer-system-1.html

Any advice would greatly be appreciated (as usual).

Thanks, and all the best of the season to you all!

 

 

 

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joeyfed55
84 posts
 

I have 2 REL S/812s in my system with 11As, very happy with the SQ.

hedwigstheme
140 posts
 

Definitely Swarm @audiokinesis. I like the BalancedForce products, but one alone won't help with nulls (to some extent, you can equalize out peaks). The KEFs are great, but I don't know how well they integrate with non-KEF speakers.

audphile1's avatar
audphile1
5,113 posts
 

You have powered woofers in these speakers that you can tune to a perfect blend with the panels. You can turn up the bass and still retain woofer/panel integration. Adding extra subs, in my opinion, is asking for trouble. You will most likely not get the timing right and it will be a major pain to integrate.

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