I have read this thread with great interest and enjoyment. Thank you Charles and David and others for all the great information you have shared. I’ve learned a lot from your experiences and observations. I am a recent owner of a pair of Nenuphar speakers.
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/
* Frequency response may vary and depends on room size and accompanying electronic equipment.
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.