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Cube Audio Nenuphar Single Driver Speaker (10 inch) TQWT Enclosure

Cube Audio (Poland) designs single drivers and single driver speakers. 

Principals are Grzegorz Rulka and Marek Kostrzyński.

Link to the Cube Audio Nenuphar (with F10 Neo driver) speaker page: 

https://www.cubeaudio.eu/cube-audio-nenuphar

Link to 6Moons review by Srajan Ebaen (August 2018):

https://6moons.com/audioreview_articles/cubeaudio2/

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Parameters (from Cube Audio):

​Power: 40 W

Efficiency: 92 dB

Frequency response: 30Hz - 18kHz ( 6db)*

​Dimensions: 30 x 50 x 105 cm

Weight: 40 Kg


* Frequency response may vary and depends on room size and accompanying electronic equipment.
david_ten
charles1dad's avatar
charles1dad
10,250 posts
 

larryi.

Just to be clear I welcome your listening impressions and opinion. There is no ’perfect’ speaker and that’s a fact. I found your critique interesting as I believe David had some concerns about full range single driver speakers that you mentioned. Fortunately for him these concerns/fears did not materialize in his system. I know his experience with the Nenuphars has been outstanding. David forgive if I’m putting words in your mouth. BTW David is using the superb Found Music 2A3 SET mono blocks.

Charles

stephendunn's avatar
stephendunn
151 posts
 
"...a bit lacking in warmth, a bit rough sounding in the upper midrange and had a pronounced peak in the treble range."

Interesting that the above accurately describes what I was hearing during the first 25 hours or so of playing the Nenuphars.  (Also interesting that during the first 5 hours of play they actually sounded better.)   I'm at about 55 hours now and will wait to 100+ to give further impressions.
cal3713's avatar
cal3713
1,421 posts
 
@grannyring Bill, are you thinking about buying a full commercial unit, or building your own using the drivers? 
grannyring's avatar
grannyring
6,506 posts
 
Buying a commercial unit.   I am not good with woodworking! I am thinking of the new Mini Basis due to the better bass response. 
larryi
4,044 posts
 
I am wondering who else has heard various single driver systems and can compare the results.  I would love to hear something like the big AER system with the huge back-load horn and front wave-guide horn. 

I know that Classic Audio has a field coil model (T-8), but, I have not heard that one either.  I heard a Classic Audio prototype that used a fullrange field coil in combination with a woofer module.  In terms of vibrancy and immediacy, which I love about these types of speakers, it was fantastic.  But, it had a hard edge to transients and was very sibilant; a work in progress, but, I do hope to hear it with that issue tamed.

The other good thing about most of these fullrange systems is that they work so well with the kinds of amps I favor, which is low-powered amps.  I own three tube amps, the most powerful being rated at 6.5 watts per channel.  
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