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 Thank you for your comment. I had been planning to write a post on this for some time but I suppose I needed a nudge.

@stephendunn I’m not sure I can be of much help in acquiring these. I originally spoke to the US dealer about the EHTs (Audio Arts in NYC) about 2.5 years ago. At that point they were $15k retail but there was no demo pair to listen to (that might be contributing to the obscurity of these amps.) I wound up finding a pair at a more reasonable price after a very long wait but I’d rather not go into the details online (not to be secretive, just respectful of others involved). I don’t know what the situation is now with Thoress’ US representation but I expect that the price has risen. The amps have changed slightly too (since Ebaen's review) - they now go up to 50w as the Positive Feedback piece mentions (40 before) and the color is green rather than black.


@jollytinker  Thanks for your response.  Reinhard Thoress just responded to my inquiry via their website, which he says is sorely out of date.  He does offer the newer version of the EHT monos for 12.950 Euros and an integrated version for 8.950.  I haven't inquired about in-home auditions.
I've been listening to the Nenuphar with IsoAcoustics GAIA II for a few days now.. so far I can say that it's improved the center image and increased depth, really enjoy the Cube even more now.  Also noticed improved treble, I think that maybe because I'm no longer tilting the speakers up.  Note however that my listening room is a converted garage, the floor is already sloped down, which give a similar effect as tilting the speaker up.
These looks great and sounds great.. I've no plan of going back to the standard feet.

Some photos here:https://photos.app.goo.gl/NT6eiMgeea91o2Tt5