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Rudykaman Rudykaman
Publié le 06/13/06 à 17:44
JBL 9540 PRO Game show that here is what the author says composer and arranger:
Rudy Kaman.
Quite comparable to EAW KF900 at the power while still more "accurate" than the latter, the JBL 9540 system consists of several modules of individual speakers bass, midrange and high frequencies.
The 9540 use technology PPST (phase point source technology), point source by phasing. Originally this system was created to meet the specifications of the Olympic Stadium in Athens. From a central cluster consisting of three columns with a constant directivity from 300 Hz to 20 Hz, it covers all of the space to add sound. This system can also be used in mobile.

HIGH POWER LONG RANGE:

4-way system of 9540 allows for configuration of high power capable of ensuring an excellent listening comfort and a high intelligibility at long distances. In the configuration show, concert, or very large sound system is kept thanks to the 9540 full control of the local sound pressure and sound coverage depending on the distance.

Heavy duty construction, high quality components and Contol stringent in-process, ensures exceptional reliability. Like other JBL systems, the system 9540 (2 cubic 3-way + 2 tubes) can be used without problem in the toughest conditions.

The JBL 9540 is suitable for the sound of open spaces such as vast halls, stadiums, concerts and outdoor events, theater, etc..

The 9540 cubic JBL speakers consist of 2 mid / high / low and two horns.

Speakers Low: 50 Two woofer for high-performance bass reproduction, combined with optimized by computer modeling flags. optient is a high performance associated with a rate-distortion negligible. Rollers facilitate the movement of boxes.

Midrange speakers: two speakers 30 coupled to a double house ensuring high efficiency and directivity control. The upper part of the spectrum is restored by a compression chamber, with a titanium diaphragm and a powerful neodymium. A phase correlator sophisticated ensures perfect consistency pressure levels generated in different parts of hemispherical diaphragm. This engine is coupled to a constant directivity horn, a guarantee of exceptional quality and coverage of regular long distance.

Upper midrange speakers: Two tubes of 45 to reproduce the lower midrange.

Speakers Acute: 4 Tweeters 8 and 10 for reproduction without treble agresivité up to 800 W.

JBL 9540 All systems are designed for installation and easy removal. The connectors used are of the 3.5 jack.

JBL 9540 SPECIFICATIONS:
Frequency response: 35 Hz - 20 KHz
Maximum power of the system: 2000 W (a single cube 9540)
Sensitivity (1W/1m): 103 dB SPL
Impedance and power: Acute: 16 Ohms 750 W
Low-mid: 8 ohms 1200 W
High-mid: 4 Ohms 1300 W
Grave: 4 Ohms 1500 W
-6dB Coverage (H x V): 360 ° x 360 °
Recommended crossover frequency: 1250 / 160 Hz
Drivers: 2 x G50 high elongation
ND-8 neodymium compression
Connectors I / O Jacks 3.5 (x3)
12/07/1997 Price: 580.00 33 HT (unit)
Dimensions (1 cube): Total Height: 1.72 m
Width: 0.83 m
Depth: 0.67 m
Weight: 60 Kilos piece about
Wheel: 0.16 m in diameter
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