Induction Dynamics C1.8 - Manual (Page 6)

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Speaker Information
S4X™ Crossover
The heart of Induction Dynamics® is found in the S4X™ Super Fourth-Order Crossover. The
patented S4X inductively couples crossover coils and optimizes each driver’s performance,
individually and interactively with the other drivers. This greatly increases control over
driver range, frequency response, phase and impedance. Because S4X produces such a
steep crossover slope−and thus a flatter frequency response−Induction Dynamics is able to
use the best possible drivers for each range of frequencies, allowing us to sonically match
every speaker in our lineup and to create speaker models able to perform in any combination
and in any acoustic environment.
The S4X’ optimized frequency response means music that moves dramatically up and down
in pitch will never fade in or out, but rather maintain its power as it seamlessly crosses
over from one driver to the next. It also means that frequencies critical to human speech
(frequencies that deliver consonants like “S” and “C”) will sound as natural coming from
your speakers as they would in real life—making dialogue from movies and television sound
crisp and clearly understood.
Above: The S4X crossover routes audio signal to their intended drivers at specific frequen-
cies (500 Hz, 3,700 Hz). Because the S4X produces such a steep crossover slope, Induc-
tion Dynamics is able to use the best possible drivers for each frequency range. Subwoofer
crossover points are generally selectable through your subwoofer amplifier. Induction Dy-
namics recommends a subwoofer crossover point between 50 - 60 Hz.