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
The EHTs totally missed my radar.  SE's review inspired poetic writing you rarely see from him and this together with what @jollytinker has added has whetted my curiosity.  After some reading I'm very intrigued by the design of the EHT's and looked to see if any were around since they no longer appear on Thoress or their distributor's website.  No history of a sale on HiFiShark even.  
jollytinker  do you know anything about availability?  Special order from Thoress?  And many thanks for sharing your experience with them and your set up. 
@jollytinker, 
I join @stephendunn in appreciating you taking the time to post further listening experiences of your audio system.  I'm happy for you that you've found such an ideal pairing of the Thoress EHT  amplifier  and Nenuphars. 
Charles 
@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.