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  MODEL NFX
Single Driver Full Range Crossover-less Loudspeaker




Size 12.5" wide, 17" deep, 42.5" high

GET THE PLANS NOW FOR $19.95

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This Speaker has at least one Decware Authorized Builder that will custom make the speaker for you if you don't want to do it yourself!  Authorized Builder's Listed Below:


Designs in Wood - NC, USA

Contact information will be e-mailed to you after you purchase the plans.  You may contact all of the above builders for a quote and choose the best price.

(To become an authorized builder please contact Decware)
 


OVERVIEW

Model HDT

Single Driver Loudspeaker featuring the DFR8 full range driver in an ultra-flex cabinet design.

Crossoverless wide range performance from 50Hz ~ 25kHz.

A true 99 dB 1w/1m efficiency!

Incredibly big and open sounding with no midrange shout.Uncanny speed makes it comparable to a good electrostatic panel.Good weight and balance make it more than usable on it's own without a sub.

 



If you've steered away from single driver speakers because of the typical tipped-up response and in-your-face sound, this is the exception you've been looking for.





CABINET TECHNOLOGY

The Nibbelin Ultraflex are similar in sound to an open baffle but have bass with good weight and tone.   In the midrange the cabinet design acts like a one-way valve (check valve) over a large band of frequencies.  Sound inside the cabinet exits instantaneously leaving little to no sound to reflect back to the driver.


High band frequencies are handled by foam spheres placed inside the cabinet in a vertical line to eliminate all parallel surfaces. The actual number of spheres can be adjusted to taste.

The result is simply the most non-congested sounding cabinet you've ever heard next to an open baffle.  Very nice balance, non-peaky, non-beamy, great tone and an absolutely huge wall of sound with excellent depth and no holes.

The efficiency is conservatively rated on this speaker making it a great choice with fine low power tube gear.  At the same time it does some pretty impressive things with bigger amps.


POWER REQUIREMENTS

Tube amp friendly with reasonable to above average performance on our 2 watt SET amplifiers but electrifying on higher power.


ON THE SOUND & PERFORMANCE

Besides the elevated performance of these speakers, their biggest asset is the smoothness and disappearing act.  Smoothness that is often hard to find in most high efficiency speakers...  They accurately reflect the recording source and amplifier.  Imaging is one of these speakers strong points and they virtually disappear with good upstream components.  Musicians will appreciate the accuracy of timbre and harmonics making it effortless to identify specific brands and models of instruments in the recording. 


SPECIFICATIONS

  • 99 dB with 1 watt at 1 meter
  • 58Hz ~ 20kHz flat
  • 48Hz ~ 25kHz -3dB
  • 8 ohm nominal impedance
  • Crossoverless
  • 2 ~ 60 watts
  • Max SPL 115 dB
  • Size 12.5" wide, 17" deep, 42.5" high
  • Ultraflex cabinet



NFX DESIGN NOTES










SUPPORT

We also have a support forum with many people who own our speakers who's experiences you may benefit from. 



REVIEWS

You may read reviews on our products here.





31 pages



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Zen Styx speaker cables



Zen Styx Reference Grade Silver Cables


Starting at $250.00 PR

 

more info

 

 









 
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