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There is no perfect full-range speaker, but the Nenuphar is the closest you can currently find. It combines advances in the magnetic motor, spider, cone, whizzers, and cabinet to produce the most competent full range speaker available today. Cube has spent thousands of hours and developed hundreds of prototypes perfecting this system.
The cone and whizzers work in unison to produce the flattest possible frequency response curve from a single driver. The large 10-inch primary cone gives it bass extension down to 30 Hz, while the whizzers combine to provide highs covering 18 kHz. The three whizzers work together to not only deliver the highs but also cancels out the midrange shout generally associated with other full-range drivers. The cones and whizzers are all specially coated to make them impervious to room humidity changes.
The magnetic motor required to push a 10-inch cone is immense, luckily Cube delivered. By combining 81 smaller neodymium magnets, they were able to create a strong 2.4 Tesla field uniformly throughout the 9 mm gap. The voice coil is underhung, with a total excursion of +- 3 mm entirely within the magnetic gap. A precisely CNC milled spider keeps the voice coil dead center in the gap. This unique spider provides damping force with a linear relationship to the excursion; in other words, the damping is correct no matter the signal strength.
Placing this fantastic full range driver into a well-designed transmission line cabinet provides a top to bottom balanced sound with an unbelievable soundstage. With a room-friendly 11.8” x 19.7” x 41.3” and 88 lb cabinet, these are much smaller than the music they create. The design of the bottom vent means they are not very room sensitive, making placement easier than most speakers.
92 dB efficient with an easy to drive 8-ohm nominal impedance allows the use of many low wattage amplifiers while providing real-world listening volumes. If you have a large room or like to play loud, a larger amplifier may be required.
Custom colors and finishes are available upon request
What the reviewers say:
Srajan Ebaen, 6 Moons
“'So what” becomes 'So Whoa' and Nenuphar V2 pilgrims with bigger rooms and more welly in their music arsenal have a new carefully evolved option whose sensitivity is still more SET happy. Against the accolades for the original single-driver lotus of Nenuphar, dual-driver Lotus 10 is a real achievement indeed. To spell it out in slightly different terms, it further normalizes the single-driver concept to give diehard detractors even less aim other than high price and considerable cubic volume. Normalizing simply doesn’t mean making it the same. That’s the trick. How to have the usual multi-way cake of full bandwidth, linearity and high resolution then eat it with high efficiency whilst leaving spherical horns alone then topping the lot with point-source dispersion and superior impulse fidelity as the most unique selling point? Cube Audio’s Lotus 10 is how: now!
Cheers to their madmen Mark and Grzegorz for taking the path less traveled and arriving us at otherwise hidden vistas"