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Thank you for purchasing JBL Synthesis
®
Four flush-mount home theater loudspeakers. These products represent the
synthesis of everything that JBL
®
has learned about the emotional power of audio and video in more than sixty years
of preeminence in the field. They set new benchmarks in the use of “high technology” and provide you with the expe-
rience of being in the world’s greatest movie houses and concert halls – right at home! JBL Synthesis Four speaker
systems feature the following:
THX ULTRA2
™
-LICENSED HOME AUDIO SYSTEM: When used with a THX
®
controller and amplifiers, your
speaker system will deliver a state-of-the-art THX home theater experience to your living room. You will hear in
your home exactly what the director and sound engineer heard in the recording studio. The system will reproduce
the audio flawlessly and without distortion.
FLUSH-MOUNT APPEARANCE: The S4Ai, S4VC and S4HC are designed to fit flush to your wall surface.
Designers and interior decorators will be pleased by their hidden appearance and stunning performance.
PURE-TITANIUM, HIGH-FREQUENCY TRANSDUCER DOME:
The pure-titanium diaphragms with neodymium
magnet structures are ultralight to accurately reproduce lightning-fast sounds – such as cymbal crashes –
yet
extremely rigid to eliminate distortion and ear fatigue.
ELLIPTICAL OBLATE SPHEROIDAL
™
(EOS) WAVEGUIDE: First developed for our JBL Professional LSR studio
monitors, this unique structure enables Synthesis Four Series speakers to evenly disperse high frequencies, creating
precise imaging over a wide listening area.
PURE-TITANIUM, INVERTED-DOME, MIDRANGE TRANSDUCERS (S4VC, S4HC): The midrange drivers
seamlessly complement the titanium-dome tweeter and offer nearly perfect pistonic motion, which eliminates the
uncontrollable flexing found in conventional cones. The inverted dome is driven precisely at its center
, which cancels
resonances inherent in cone materials. The result is ruler-flat frequency response beyond the crossover point.
TITANIUM-ALLOY, INVERTED-DOME, LOW-FREQUENCY TRANSDUCERS (S4VC, S4HC): The low-fre-
quency drivers deliver precise, undistorted bass reproduction that matches the titanium tweeter and midrange. The
powerful neodymium magnet provides its own video shielding, allowing for flexible placement near video monitors.
Cast-aluminum frames remain rigid even at the highest volumes, avoiding the distortion found in some other speaker
designs. The aluminum doesn’t affect the magnetic field, so driver movement is precise.
COMMON VOICING: Synthesis Four uses common voicing across the front three channels. Since identical drivers
are used, each speaker has the same tonal qualities; thus, as a sound is panned from one side to the other, there will
be no change in timbre.
MAGNETIC SHIELDING: All front speakers are magnetically shielded, allowing you to place them near video
monitors without generating interference or distorting the picture. (S4Ai is not magnetically shielded.)
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INTRODUCTION
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