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ลำโพงซับเบส d&b audiotechnik J-Series J-SUB Line Array Subwoofer 3×18″

  • Large format flyable cardioid subwoofer
  • Components 3 x 18″ driver
  • Power handling capacity (RMS/peak 10 ms) front 800/3200W rear 400/1600W
  • Impedance 4 Ω (front) / 8 Ω (rear)
  • Max SPL 139dB

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d&b audiotechnik  J-SUB Flyable Cardiod Subwoofer 3×18″

ลำโพงซับเบสแบบแขวน d&b audiotechnik  J-SUB Flyable Cardiod Subwoofer ขนาดดอกลำโพง 18 นิ้ว 3 ดอก ทนกำลังขับ (RMS/peak 10 ms) front 800/3200 W, Rear 400/1600 W, impedance 4 Ω (front) / 8 Ω (rear) ตอบสนองความถี่ (–5 dB standard) 32 – 100 Hz, (–5 dB INFRA mode) 32 – 70 Hz, Max SPL 139dB

The d&b audiotechnik J-SUB is an actively driven 2-way bass-reflex design housing three long excursion neodymium 18″ drivers, two drivers face to the front and one driver to the rear.

The cardioid dispersion pattern resulting from this approach avoids unwanted energy behind the system, which greatly reduces the reverberant field at low frequencies and provides the greatest accuracy of low frequency reproduction. J-SUB cabinets can be used to supplement J8 and J12 loudspeakers in various combinations, ground stacked or flown, either integrated on top of a J8 / J12 array or as a separate column.

The J-SUB cabinet is constructed from marine plywood and has an impact and weather protected PCP (Polyurea Cabinet Protection) finish. The front and rear of the loudspeaker cabinet are protected by a rigid metal grill and the side panels incorporate eight handles. Four 100 mm wheels and one EP5 or NL8 connector are mounted at the rear.

Features:

  • Large format flyable cardioid subwoofer
  • Components 3 x 18″ driver
  • Power handling capacity (RMS/peak 10 ms) front 800/3200 W
  • Power handling capacity (RMS/peak 10 ms) rear 400/1600 W
  • Impedance 4 Ω (front) / 8 Ω (rear)
  • Max SPL 139dB

Amplifiers recommended:

The d&b audiotechnik loudspeaker range is designed exclusively for operation with d&b amplifiers. These provide power as well as comprehensive control and protection functions tailored to achieve the performance, reliability and longevity associated with the d&b System approach. 

The d&b D80 and 30D amplifiers are recommended to drive the J-SUB. The 2-Way active mode for the J-SUB requires two channels of the D80.

SPECIFICATIONS

System data  
Frequency response (–5 dB standard) 32 – 100 Hz
Frequency response (–5 dB INFRA mode) 32 – 70 Hz
Max. sound pressure (1m, free field)1
with 30D
with D80
138 dB SPL
139 dB SPL
Cabinets per D80/30D 2
Loudspeaker data  
Configuration Large format flyable cardioid subwoofer
Nominal impedance 4 Ω (front) / 8 Ω (rear)
Power handling capacity (RMS/peak 10 ms) front 800/3200 W
Power handling capacity (RMS/peak 10 ms) rear 400/1600 W
Components 3 x 18″ driver
Connections 1 x NLT4 F
optional 1 x EP5 or 1 x NL8
Dimensions, weight  
Dimensions (H x W x D) 540 x 1100 x 9453 / 1063 mm
21.3 x 43.3 x 37.23 / 41.8″
Weight 106 kg
234 lb

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