Component Speakers

JBL Professional 3739 3-way Woofer - 40 Hz to 2 kHz - 4 Ohm Learn More

Description:

The JBL 4641 is a high quality subwoofer system, featuring a technologically advanced 460 mm (18 in) low frequency transducer mounted in a direct radiator, bass-reflex enclosure for smooth response to the lowest audible frequencies. The 4641 is ideal for low frequency augmentation of either analog or digital soundtracks in motion picture theaters and for general sound reinforcement applications. The 2241H transducer utilizes the patented Vented Gap Cooling (VGC) process, which pumps air through the magnetic gap and directly over and around the voice coil, providing immediate heat transfer and a reduction in operating temperature. This increases power handling while reducing power compression. Through the use of computer-aided magnet optimization and analysis techniques, JBL engineers were able to optimize magnet weight, flux density and field saturation, resulting in a 2.6 kg (6.5 lb) reduction in overall driver weight and a significant reduction in harmonic distortion. This magnet structure offers much of the weight advantage of rare earth magnet structures without the prohibitive cost, enabling the system to carry a 600-watt continuous AES pink noise power rating.

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The 8320 Cinema Surround Speaker offers high power handling, high sensitivity, and extended bass response in a very compact enclosure. The twoway 8320's reliability and performance features position it as the ideal low cost, compact surround for the extended dynamic range required by digital sound formats.

Features

• 50 Hz to 20 kHz Frequency Range
• High Sensitivity, 91 dB SPL, 1 W, 1 m (3.3 ft)
• High Power Handling Capability: 150 watts continuous pink noise
• Internal Thermomaster® technology allows for unprecedented high frequency power in a compact molded enclosure.
• Convenient mounting design uses JBL QuickMount™, Omnimount® or APC Multimount brackets
• Special cabinet shape incorporates 20° angled front baffle
• SMPTE/ISO2969 Curve X high frequency de-emphasis
• Lightweight, rigid molded enclosure
• Input terminals located on top of cabinet for quick access
• Uniform horizontal and vertical coverage
• THX® Approved

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Cinema Surround Loudspeaker 2-Way Passive 1" HF, 10" Woofer (2" VC)

The 9300 Cinema Surround offers high 250 Watt power handling capability, high sensitivity, and extended base response in a groundbreaking design. The two-way 9300 features new transducer technologies, waveguide and horn designs developed specifically to produce studio quality performance with pattern control tailored to modern theatre geometries.

Combining JBL's Image Control Technology and new asymmetric wave-shaping techniques, the 9300 surround features a Wave Shaping Vane, integral to the design, to distribute acoustic energy in proper proportion to the room. This technique provides a wave-front that is sculpted to the room geometry and provides very precise coverage capability.

The 9300 features a high power, long throw 250mm (10 inch) low frequency driver for smooth extended base response. The high frequency section utilizes a 25mm (1 inch) composite diaphragm compression driver with high output capability.

The unique, high tech, molded, black textured enclosure with open high frequency horn and black grill will enhance any décor.

FEATURES

• 250 Watt Power handling capability
• Wave Shaping Vane distributes an acoustic energy wave-front sculpted to the room
• High Frequency Horn features JBL Image Control Technology for precise pattern control
• Three separate horizintal mounting planes at 15 degree angles for specific positioning to improve coverage
• Input terminals on top of cabinet for easy access
• Lightweight, Rigid molded enclosure
• Uniform asymmetric 60 degree vertical coverage and 110 degree horizontal coverage

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Key Features:

• 1" high frequency driver, 10" woofer
• 300-watt power rating (AES 2-hour
• High frequency horn features JBL Image Control Technology and Wave Shaping Vane for precise pattern control
• Three separate horizontal mounting planes at 15? angles for specific positioning to improve coverage
• Input terminals on top of cabinet for easy access
• Lightweight, rigid molded enclosure
• Uniform asymmetric 60? vertical coverage and 110? horizontal coverage

Description:

Professional cinema has seen a dramatic evolution over the past few years - high definition content, digital projection and immersive audio. These amazing technologies have put new demands on cinema loudspeakers never before required. This is particularly true for the surrounds. Once a highly compressed ambience track, surround content today is equal to the screen channels in resolution and dynamics.

Most surrounds are basic loudspeakers, with modest output and simple coverage patterns. They were only used as a large distributed array along the theatre walls. Digital cinema and new audio formats require surrounds to operate in much smaller groupings and even singularly. This now requires surrounds to possess engineered coverage patterns and improved output dynamics. JBL undertook an extensive research effort to first analyze these new requirements and then design a completely new surround loudspeaker, from the ground up, for modern digital formats. The groundbreaking 9300 Series is the result. The horns developed specifically for the 9300 and 9310 have studio quality performance with pattern control tailored to multiplex theatre geometries. Using the latest advancements in acoustic engineering, the 9310 horns map a theatre more consistently and accurately than ever before possible. Integral to the design is a wave shaping vane, which distributes acoustic energy in proper proportion to the room. This technique provides a wavefront that is sculpted to the room geometry and provides very precise mapping capability. This shaping also allows the loudspeaker to orient to the wall naturally while directing the acoustic energy to the seats.

JBL engineers also found that a slight angle in the positioning of the surrounds makes a dramatic difference in how they present themselves to the audience. This is particularly true in stadium seating geometry where the surrounds slope downward with the seating, and yet the horizontal patterns in conventional surround loudspeakers do not. This creates 'hot spots' in the coverage for those rows just above each surround. By mounting the surrounds at a 15° angle toward the screen, the hot spots are eliminated, the overall coverage maps are dramatically improved and those seats in close proximity to a surround have a much improved experience. The 9300 and 9310 provide three mounting planes for easy installation in any geometry.

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