Genesis I.C.E. Genesis 5.2 - Manual (Page 16)

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The Technology
The Genesis Ribbon Tweeter
Reviewers in the Audiophile press have often remarked that the
Genesis circular ribbon tweeter is the world’s best. It is a one inch
circular planar ribbon design crafted from an extremely thin
membrane of Kapton with a photo-etched aluminium “voice coil” that
is a mere 0.0005 inch thick. The entire radiating structure has less
mass than the air in front of it! That is why it will reproduce accurately
frequencies beyond 36k Hz.
The result of this design is a driver that has a rapid and uniform
response to high frequencies, and has the speed of the best
ribbon/electrostatic designs without the high distortion and poor
dispersion that is typically associated with them.
The G5.2 use two of these tweeters per channel. One front-firing,
and the other wired to the crossover out of phase to the front tweeter
and firing to the rear, creating a dipole. Dipoles radiate the same
sound from both front and rear out of phase in “push/pull” fashion.
Thus, the sound waves from the front and back of the speakers
cancel out as they radiate from the sides of the speakers; which
means that there is minimum radiation of sound to the sidewalls of
the room.
The net result is that the G5.2 generate far fewer detail-robbing room
reflections from the sidewalls than other types of loudspeakers. With
fewer spurious reflections to confuse your hearing, the program
source emerges more clearly. Imaging is deeper, yet more focused.
Titanium Midrange
We sometimes say that the midrange is a window into the mind of a
composer or a singer. And indeed, the midrange is where the
“magic” is in a well-recorded musical event.
The G5.2 uses a Genesis-designed proprietary 4.5inch titanium
coned midrange to cover this critical frequency spectrum. Machined
out of one of the lightest and stiffest materials known, this low mass
cone driver is one of the best midrange transducers ever made with
nearly instantaneous transient response, enabling the G5.2 to sound
lifelike and effortless.