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ลำโพง d&b audiotechnik M4 Monitor 2-Way Stage Monitor 15″

ลำโพงสเตจมอนิเตอร์ d&b audiotechnik M4 เป็นลำโพงมอนิเตอร์ขนาด 15″ driver with neodymium magnet coaxial 1.3″ exit compression driver with 3″ coil and CD horn, passive crossover network ทนกำลังขับ 400/1600 W (RMS/peak 10 ms) impedance 8 Ω, Dispersion 50° x 70° rotatable, Max SPL 140 dB

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d&b audiotechnik M4 Monitor 2-Way Stage Monitor 15″ 400/1600W

ลำโพงสเตจมอนิเตอร์ d&b audiotechnik M4 เป็นลำโพงมอนิเตอร์ขนาด 15″ driver with neodymium magnet coaxial 1.3″ exit compression driver with 3″ coil and CD horn, passive crossover network ทนกำลังขับ 400/1600 W (RMS/peak 10 ms) impedance 8 Ω, Dispersion 50° x 70° rotatable, Max SPL 140 dB

The d&b audiotechnik M4 is a 2-way high performance stage monitor employing an integrated 15” LF and 1.3” exit horn loaded HF coaxial driver design that utilizes neodymium magnets. The constant directivity dispersion of 50° x 70° (h x v), which this unique horn provides, delivers an accurately defined coverage area on stage.

The M4 can also be operated in 2-Way Active mode. When the cabinet is used in an upright position the M4 serves as a powerful PA loudspeaker with a 70° x 50° dispersion suitable for a variety of applications. For dedicated installation applications the dispersion characteristics of the M4 driver assembly can be rotated in 45° increments.

The M4 cabinet is constructed from marine plywood, which incorporates the handles, has an impact resistant paint finish, M10 threaded inserts and a socket to accept loudspeaker stands. The front of the loudspeaker cabinet is protected by a rigid metal grill backed with an acoustically transparent foam. Two runners recessed in the bottom panel protect the cabinet from scratching and prevents movement.

Features:

  • 2-Way Stage Monitor
  • Components 15″ driver with neodymium magnet coaxial 1.3″ exit compression driver with 3″ coil and CD horn, Passive Crossover Network
  • Power handling capacity (RMS/peak 10 ms) 400/1600 W
  • Nominal Impedance 8 Ω
  • Dispersion Angle (H X V) 70° x 80° rotatable
  • Max SPL 140 dB

Amplifiers recommended:

The M4 monitor can be driven in passive mode, requiring one amplifier channel. Alternatively, for increased headroom, the M4 can be driven in 2-Way active mode, using two channels of the D20, D80, 10D or 30D amplifiers. The recommended amplifiers for the M4 are the d&b D20 and 30D. The d&b D6, D80 and 10D amplifiers can also drive the M4 with the appropriate loudspeaker configuration selected.

SPECIFICATIONS

System data  
Frequency response (–5 dB standard) 55 Hz – 17 kHz 4
Max. sound pressure (1m, free field)1
with D6/10D
with D20/30D
with D80
134 dB7 / 135 dB 17
138 dB7 / 140 dB 8
138 dB7 / 140 dB 8
Cabinets per amplifier channel (passive mode) 2
Cabinets per D20/D80 (active mode) 4
Loudspeaker data  
Configuration 2-way stage monitor
Nominal impedance 8 Ω
Power handling capacity (RMS/peak 10 ms) 400/1600 W
Nominal dispersion angle (h x v) 50° x 70° rotatable
Components 15″ driver with neodymium magnet
coaxial 1.3″ exit compression driver with 3″ coil and CD horn
passive crossover network
Connections 2 x NLT4 F/M
optional 2 x EP5 or 2 x NL4
Dimensions, weight  
Dimensions (H x W x D) 363 x 580 x 505 mm 2
14.3 x 22.8 x 19.9″ 2
Weight 20 kg
44 lb
  • 1 SPL max peak test signal: pink noise with crest factor 4
  • 2 overall dimensions (projected footprint)
  • 4 with floor coupling
  • 7 passive mode
  • 8 active mode
  • 17 active mode (10D only)

Application information is presented for guidance only. d&b reserves the right to make any necessary changes to the products and the published specifications. As part of the ongoing development program d&b tries to maintain the highest degree of product compatibility.

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