JBL S312 II 3-Way Floorstanding Speaker with 12" Woofer (Black Maple)

JBL S312 II 3-Way Floorstanding Speaker with 12" Woofer (Black Maple) Review

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JBL S312 II 3-Way Floorstanding Speaker with 12" Woofer (Black Maple) Feature

• Designed for use with amplifiers driving up to 250 watts per channel (maximum); offers high 92 dB sensitivity
• Uses a 1-inch pure-titanium dome tweeter with EOS waveguide, a 4-inch PolyPlas midrange cone, and a 12-inch PolyPlas bass driver
• 35 to 20,000 Hz frequency response
• Sold as a single speaker; buy 2 for stereo or 5 for a complete, full-range surround speaker system
• Measures 14.75 x 41 x 12.25 inches (W x H x D)

JBL's Studio Series S312 II is a three-way, full-range floorstanding loudspeaker capable of delivering clear, dynamic sound for both music and movies. It's sold as a single speaker. Buy two for stereo uses or pick up five or merely three for use in surround-sound applications--only three if you'll be using two other speakers to serve as the left/right front or surrounds. If your TV is on a high shelf or mounted on the wall, as would a flat-panel set, you can simply position the "center channel" speaker beneath it.

Be aware that you don't need a television to enjoy multichannel surround sound: the SACD, DVD-Audio, and DTS-CD formats all make ample use of full-range center-channel speakers, providing you have the space and the inclination to set up speakers for 5- or 5.1-channel music listening. Use a powered subwoofer for the .1 low-frequency effects channel, or configure your surround receiver to fold the .1 signal into the audio feeding the other speakers--with the S312 II's 35 Hz bass rating, you'll have plenty of bass even without a subwoofer.

The speaker's Elliptical Oblate Spheroidal (EOS) waveguide imbues sound with unparalleled spaciousness and definition. The pure-titanium tweeter and the midrange transducer are mounted on a Linear Field Proximity (LFP) bezel that ensures a seamless transition between the middle and high frequencies. The PolyPlas (polymer-coated cellulose fiber) cone woofer features traditional JBL engineering--the same technologies used in JBL's Professional equipment, which is found in stadiums, music halls, and movie theaters around the world.

Shielded components allow speaker placement near video monitors. A high-temperature-capable, oversize Kapton voice coil and a HeatScape motor structure allow this speaker to play all types of movies and music with ease, no matter how dynamic the content. The unit's woofers are built on cast-aluminum frames, which reduce distortion and increase its power-handling ability. A low-diffraction IsoPower baffle directs the sound power into the room, reducing distortion from cabinet vibration.

The speaker's lock-mitred, computer-designed enclosure requires no internal bracing. Its flared, FreeFlow port increases bass response without adding unwanted port noise (sometimes heard as "chuffing" when you really crank your tunes). JBL's custom-designed drivers allow the use of simple, Straight-Line Signal Path (SSP) crossover networks with high-quality electrical components that minimize processing that could degrade the signal. Finally, JBL has outfitted the S312 II with all-metal, gold-plated, five-way binding-post speaker terminals for secure and flexible hookups, from bare wire to banana-plug jacks.

What's in the Box
One speaker, a speaker grille, and a user's manual. This 3-way 12" floorstanding loudspeaker with MDF enclosure and Elliptical Oblate Spheroidal (EOS) waveguide reproduces sound with unparalleled spaciousness and definition. The pure-titanium tweeter and the midrange transducer are mounted on a Linear Field Proximity (LFP) bezel that ensures a seamless transition between the middle and high frequencies. The PolyPlas (polymer-coated cellulose fiber) cone woofer features traditional JBL engineering, the same technologies used in JBL's Professional equipment that can be found in stadiums, music halls and movie theaters around the world.Shielded components allow placement near video monitors. High-temperature, oversized Kapton voice coil and HeatScape motor structure allow these speakers to effortlessly play all types of movies and music. The woofers are built on cast-aluminum frames, which reduce distortion and increase power-handling capability. A low-diffraction IsoPower baffle directs the sound power into the room, reducing distortion caused by cabinet vibration. The lock-mitred, computer-designed enclosure requires no bracing. The FreeFlow flared port increases bass response without adding unwanted port noise. JBL's custom-designed drivers allow the use of simple, Straight-Line Signal Path (SSP) crossover networks with high-quality electrical components that minimize processing that could degrade the signal. All Studio Series loudspeakers are equipped with all-metal, 5-way, gold-plated binding post speaker terminals.

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Aug 11, 2011 22:50:14