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What are the smallest speakers that are clean and flat down to 20hz?

Also what bass driver or drivers do they use?

Thanks.
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sunnyjim
884 posts
 

Check out the Neat Audio Iota Plus speaker recently reviewed in Stereophile this month by staffer Ken Micallef. 

However, careful,...... John Atkinson, the magazine's technical guru was disappointed by their " measured performance", and Micallef's enthusiasm for the product is somewhat over the top.  The speaker should do 40Hz cleanly and without boom, according to him.  Good Luck locating a Neat Audio dealer where you can audition them.   

BTW, the speakers are a midget floor stander at 17 inches tall  (on their 1.5 inch spikes). Interesting product,  but not inexpensive   

. 

bsmg
152 posts
 
The new small bookshelf size Watkins speaker (Bill Watkins invented the dual drive woofer used by Infinity in some of their high end models back in the day) will deliver full power down to 41Hz with flat, clean, and detailed response. This utilizes a 6-1/2" custom damped woofer. More info at www.watkinsstereo.com 
dr_joe
148 posts
 
The smallest speaker of which I have personal experience that goes down to 20 Hz would be the Hart Audio Phoenix. It’s spec’d by the manufacturer (David Hart) as –3 dB @ 16.33 Hz. Dimensions are: 36" H x 16" W x 20" D. But each cabinet weighs 94 kg (over 200 lbs.), in part because of the great weight of the Tannoy SuperDual drivers used in the design (Type 2510 10" Dual Concentric and Type 3112 12" LF driver) and in part because the cabinets are made entirely of a fibre-impregnated resin. The bass driver is loaded into a folded horn adapted from the Tannoy GRF. Rated system sensitivity is well over 100 dB. They perform equally well with low-powered tube amps and high-powered solid-state amps. As far as I know, sold only direct from the manufacturer.
wolf_garcia
4,650 posts
 
Conversely, what are the largest speakers with little to no bass? Inquiring minds…
bdp24's avatar
bdp24
4,908 posts
 

Gotta be the single-panel Maggies, Wolf. But the old 3-panel Tympanis have plenty of bass, and of a very high quality There are people using the two bass panels of Tympanis as woofers, and even as subs!

QUAD ESL’s have even less bass than Maggies, but are not nearly as big.

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