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absolute fidelity
thick. The ribbon is then suspended in the magnetic field created
by over 24 feet of barium ferrite magnets.
This results in a perfect line-source ribbon generating a continuous
and perfectly coupled wave front. The benefit of this to the listener
is a wide and even horizontal dispersion yielding a large and highly
stable sweet spot.
As a line-source dipole, the midrange ribbon has a vertical
dispersion pattern identical to that of the line array of tweeters.
Thus further insulating the listener from the room’s negative effects,
and enhancing the sense of spaciousness and depth.
The Servo-bass Advantage
Very few loudspeakers use servo drive, either because most
designers think that it is too difficult to design, too expensive, or
because of the extraordinary demands a servo system makes on
the amplifier and the transducer. The history of the Genesis servo-
system started from the first introduced in the legendary Infinity
Servo Statik One in 1968(!) – so we know how to design and build
servo systems. The technology has been constantly updated and
refined over the past 40 years.
The concept of our servo bass system is an easy one to
understand: It employs an accelerometer as a sensor to constantly
monitor the movement of the woofer cone and continuously
compares it to the input signal. This comparison circuit instantly
identifies any deviation from the input and applies a corrective
signal to compensate for any deviation, resulting in the virtual
elimination of the inherent distortion of the woofer.
As an example, when you have a high-impact, low-bass signal that
starts and stops suddenly (for example a tympani), the inertia of the
woofer cone makes it slow to start moving, and then after it has
started moving, the momentum of the cone makes it continue to
move after the signal has stopped. The sonic result is softness,
overhang, and bloat in the bass. This results in a perceived lack of
tautness and definition, and a blurring of dynamic impact.
With the servo system, the circuit senses that the woofer is not
moving as fast as it should, and it instantaneously applies much
more current to make it move faster. When the signal stops, it
senses that the woofer is continuing to move when it shouldn’t be