Dual 5 inch 2-Way Floorstanding

Sold from 2010 until now

Predecessor Product: VENUE STADIUM
Successor Product: CINEMA SOUND CST 55
Made in: China

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Product Specifications

Crossover Frequency(ies)
3.2kHz; 12dB/octave
$399.95 each
(2.83V@1m) 90dB
Frequency Response
(-6dB) 55Hz-30kHz
Maximum Recommended Amplifier Power
Power Handling (Peak)
Nominal Impedance
8 ohms
Weight (lb)
Width (in)
Depth (mm)
Height (in)
Weight (kg)
Width (mm)
Depth (in)
Height (mm)
High-Frequncy Transducer
3/4" (19mm) titanium-laminate dome, video shielded
Low-Frequency Transducer
Dual 5" (130mm) transducers with PolyPlas cones, neodymium magnets and HeatScape motor structure, video-shielded

Designed to perfectly integrate with the latest flat-panel and plasma televisions, the JBL Cinema Sound; CST56 brings JBL's professional experience to your home. Proprietary JBL technology, such as PolyPlas;-reinforced woofers and titanium-laminate tweeters mounted in Elliptical Oblate Spheroidal; (EOS;) waveguides, means your favorite music and movies sound just as the artist intended. The CST56 features a black enclosure with a high-gloss-black front panel and black grille to complement any living environment.

Stiffer cones deliver more uniform pistonic motion for deeper, tighter bass and improved midrange tones. PolyPlas™ coating gives the JBL® CST56’s cones maximum-impact JBL® audio. You’ll experience serious, feel-it-in-your-bones bass and cinema sound that does justice to a great HDTV picture.
The HeatScape™ motor structure envelops the JBL® CST56’s voice coil with a large ceramic magnet and a steel frame. It protects the voice coil by dissipating heat away from it to increase power handling and give you extremely low levels of harmonic distortion.
The JBL® CST56’s thin but rigid titanium-laminate tweeter delivers accurate high-frequency response, even when the volume is way up. The end result is full, clear, tight reproduction of sound. And there’s a seamless transition between the middle and high frequencies.
Elliptical Oblate Spheroidal TM (EOS) waveguides, originally developed for JBL® Professional LSR studio monitors, disperse the JBL® CST56’s clean high-frequency sound precisely across a wide listening area. There’s no “sweet spot.” Sit wherever you want.
By providing the shortest possible route from the input terminals to the transducers, the JBL® CST56’s proprietary crossover design minimizes noise and signal loss. So you’ll hear everything your TV and music sources can dish out.
At 55Hz to 30kHz, with 90dB sensitivity, nothing is over- or under-emphasized by the JBL® CST56. You get a true, full sound range from deep bass tones to ultrahigh frequencies.
With 50 watts of continuous power handling and 300 peak, the JBL® CST56 performs like a pro. It uses technology derived directly from JBL® Professional products and gives your home theater audio the unparalleled spaciousness and definition it wants.
Put the JBL® CST56 anywhere that makes sense in your home theater setup. It’s magnetically shielded for placement on the floor wherever you want, including right near your TV or video display.

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