D&B AUDIOTECHNIK J12 LOUDSPEAKER - INFORMATIONAL LISTING ONLY
[PRICED PER UNIT - NEW FROM MANUFACTURER - CALL FOR AVAILABILITY]
Listing last update on July 10, 2014 - Viewed 86 times

J12 LOUDSPEAKER

THE J12 LOUDSPEAKER IS A LINE ARRAY MODULE DESIGNED FOR LONG
THROW APPLICATIONS. ITS 3-WAY DESIGN USES AN ACTIVE CROSSOVER
BETWEEN THE LOW AND MID AND A PASSIVE CROSSOVER BETWEEN THE
MID AND HIGH FREQUENCIES. J12 IS COMPLETELY SYMMETRICAL
HORIZONTALLY WITH TWO 12" NEODYMIUM LOW FREQUENCY DRIVERS
PLACED TO THE OUTSIDES IN A DIPOLAR ARRANGEMENT. ITS HORNLOADED
COAXIAL MID AND HIGH FREQUENCY SECTION IS MOUNTED IN THE CENTRE
OF THE LOUDSPEAKER. THE MID FREQUENCY HORN USES A 10 DRIVER,
WHILE THE HIGH FREQUENCY SECTION CONSISTS OF TWO 1.4 EXIT HF
COMPRESSION DRIVERS WITH 3" VOICECOILS MOUNTED TO A DEDICATED
WAVESHAPING DEVICE. THE CYLINDRICAL WAVE SEGMENTS PRODUCED
COUPLE COHERENTLY IN THE VERTICAL PLANE. THIS RESULTS IN AN EXCEPTIONAL
120ï½° HORIZONTAL CONSTANT DIRECTIVITY DISPERSION CONTROL NOMINALLY
BEING MAINTAINED DOWN TO 250 HZ.
THE MECHANICAL AND ACOUSTICAL DESIGN ENABLES FLOWN VERTICAL
COLUMNS OF UP TO TWENTY-FOUR LOUDSPEAKERS TO BE SUSPENDED USING
VERTICAL SPLAY ANGLES BETWEEN THEM OF 0ï½° TO 7ï½° WITH A 1ï½° RESOLUTION.
THE J12 IS ACOUSTICALLY AND MECHANICALLY COMPATIBLE WITH THE J8
LOUDSPEAKER. IT CAN BE USED IN COLUMNS OF PURELY J12 LOUDSPEAKERS
OR COMBINED WITH J8S AND/OR WITH J-SUBS.

THE J12 CABINET IS CONSTRUCTED FROM MARINE PLYWOOD AND HAS AN
IMPACT AND WEATHER PROTECTED PCP (POLYUREA CABINET PROTECTION)
FINISH. THE FRONT OF THE LOUDSPEAKER CABINET IS PROTECTED BY A RIGID
METAL GRILL AND THE SIDE AND REAR PANELS INCORPORATE FOUR HANDLES.

HTTP://WWW.DBAUDIO.COM/FILEADMIN/DOCBASE/THE_J-SERIES.PDF

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