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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
  

R630v3 & R645v3 CABINET DESIGN

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The R630v3 and the R645v3 speaker cabinets have been quite heavily upgraded. The objectives were to improve bass pitch definition, midbass transient response and reduce diffraction effects. These new cabinets meet their design targets very successfully but, as you can see, they are far from simple to construct.
 
Features of the new cabinets:
 
- heavy shelf bracing
- complete diagonal wall bracing
- damped wall surfaces
- damped air volume
- damped cross braces
- decoupling pad on top and bottom of cabinet
- solid surface top
- seamless, large radius vertical edges
Bottom line: superior construction yielding excellent internal damping and very low wall vibration plus excellent anti-diffraction characteristics. The basic elements of the speaker cabinet construction are as follows:
 
Vertical Wall thickness - 1" high quality MDF board
Bottom thickness - 1" bottom + 0.07" damping pad +1" MDF base
Top thickness - 1" top + 0.07" damping pad +0.5" Solid Surface polished top
Shelf braces - 2
Diagonal panel wall braces - 9
Vertical Corner Treatment - Heavily radiused (1.5")
Wall Damping
  		- Damped walls
- Multiple layers
Cross Brace Damping - Damped cross braces damped with 0.070" barrier mat
Base attachment
 
  		- Bolt in base
- 4 hex head machine 1/4 x 20 screws screw into internally fixed insert nuts
Top Material
 
 
 - Solid surface top (Formica "Black Lava")
- Damped top
- Damped bottom
Brace Material - Baltic birch bracing
Grill Material - Baltic birch grill
Internal Wall Damping Pads
 
 
  		- 18 to 20 triangular pieces glued to interior walls
- Polyester film
0.25" urethane acoustic foam
- 0.07" limp, dense plastic barrier mat
Internal Volume Damping - 1" - 2" urethane acoustic foam damping
Finish - 0.020" black ash Formica laminate
Kits - Bare enclosure
Base
 
  		- Low gloss black paint
- 1" MDF, 0.070" Damping Mat
- Diagonal wall bracing
Grill Finish - Black polyester doubleknit grill cloth
Grill Mounting - Low vibration, strong and flexible pin (in cabinet) and rubber cup (in grill frame)

 
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R630v3 & R645v3 CABINETS
 
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