Newform Research New Technology Ribbon Loudspeakers for Superb Home Theater and HiFi Stereo
 
 
Ribbon Loudspeakers by Newform Research.
 

 

 

 

 

 

 
 

DISCONTINUED MODELS

 
NHB 645
One of the more popular topics in the audiophile chat rooms is tweaking the R645. Cabinet damping, crossover upgrades etc. Well, consider the NHB 645 to be the ultimate tweak of the R645. The NHB 645 features a massively rigid and damped enclosure with minimum diffraction profile with ScanSpeak Revelator 7" drivers and upgraded external crossover.
 
The NHB 645 is a sealed enclosure which will lend itself well to digital crossovers and digital EQ. It is completely digital ready and full digital is right on the doorstep for those interested in pursuing it.
 
 
NHB 645
DIMENSIONS
H x W x D (in)
74 x 12 x 15.5
WEIGHT
each (lbs)
120
FREQUENCY RESPONSE
xxHz to 20kHz
34
SENSITIVITY
1w, 1m
91
IMPEDANCE
(ohms)
6
RECOMMENDED POWER
min/max
20/300
RIBBON DRIVER
R45
MIDBASS DRIVER
ScanSpeak Revelators
FINISH STANDARD
Oak Veneer and Solids
ASSEMBLY TIME
(min)
15
NHB Development Model
  (NHB 645 development model.)
 
 
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