Genesis I.C.E. Genesis 6.1e - Manual (Page 15)

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absolute fidelity
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In some parts of the cabinet where vibration would have been the
greatest, two inches (52mm) of multi-layer bonded MDF was used to
provide the damping, structural integrity, as well as a rigid platform for
the drivers to be located. In other parts of the cabinet, extensive bracing
was carefully incorporated using 25mm slabs of MDF to eliminate
cabinet flex and panel resonance.
Incidentally, MDF was chosen as the material of choice for its damping
properties and its consistency in hardness, density and rigidity. It would
actually have been cheaper and easier to make the cabinet of solid
wood, but that would have been a compromise.
Genesis locates the mid-bass, midrange and high frequency
transducers on a gently sloping front. Constructed of two layers of
25mm MDF, this provides a damped, vibration-free structure to rigidly
locate these critical elements. This locates the transducers in the perfect
environment for the best imaging and soundstaging, and with the lowest
distortion.
Extensive bracing is also used to even further reduce vibrations. The
bracing is also directly coupled to the cabinet walls using tongue and
groove construction – the braces are not just glued in!
The sides of the cabinet also gently slope to the vertical. Like a pyramid,
the shape of the cabinet makes it exceptionally stable. This stability
ensures that the cabinet is well-grounded (like a sumo wrestler J!) no
matter what surface you put it on. The shape of the cabinet effectively
puts the center of gravity of the cabinet over the heavy transformer in the
base.
The results of this obsession in cabinet design and construction is low
coloration, stable imaging, and a wide soundstage. It is also something
you can feel! By playing a loud piece of music, and running your
fingertips on the surface of the cabinet, you will feel very few places (if
any) where there is vibration. On the front baffle, there are no vibrations
at all around the critical region that is the mounting environment for the
tweeter and mid-range.
Try doing that on other loudspeakers which do not have as well
constructed cabinets, and you’ll understand why we are so proud of our
design and manufacturing.