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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
david_ten OP
5,480 posts
 

YouTube video of the Jazzon posted by Cube Audio (for those who want to compare it to the Nenuphar):

 

Cube Audio Jazzon Video

 

[There are a number of videos of the different models for comparison. Click on 'Cube Audio Full Range Loudspeakers' when in YouTube].

larryi
3,742 posts
 

David and other owners,

Have you had a look inside the box?  I saw a photo once that showed it to be a box lined with foam panels.  But, the name suggests it is a tapered quarter wave tube loading arrangement which would include a slanted piece of wood creating two tapered chambers.  Is this the configuration? 

It might be play around with those terrific drivers and either a foam-lined tube with a vent on the bottom or a similar TQWT alignment would be not that hard to build. 

paullb
113 posts
 

I checked out the recent YouTube videos comparing the Nenuphar and the Jazzon. With the caveat that I don't have the best headphones, I found the Nenuphars to be noticeably more engaging than the Jazzons. They just had a liveliness that the Jazzons did not. I didn't hear nearly as much difference between the V1 and V2 drivers within the Nenuphars family. The two versions sounded very similar to me - again in my admittedly modest headphone set up.

riaa_award_collectors_on_facebook's avatar
riaa_award_collectors_on_facebook
979 posts
 
I clearly hear a difference in the V1 and V2's in the extended highs. Just listen to the last song they provide (Knopfler) and wait for the Guitar solo near the end. It wails on the V2 compared to the V1. (I am an owner of the V1 so Im voting against myself)
david_ten OP
5,480 posts
 

@larryi  Larry, I've been travelling and busy. I'll reach out to you.

@paullb   Thanks for the feedback, Paul.

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