d&b M4 - Manual (Page 8)

Technical specifications
M4 frequency response, standard and
CUT settings
M4 system data
Frequency response (–5 dB standard)................................................55 Hz ... 17 kHz
Frequency response (–5 dB CUT mode).............................................95 Hz ... 17 kHz
Max. sound pressure (single cabinet, 1 m, free field) D6 passive mode .. .134 dB
Max. sound pressure (single cabinet, 1 m, free field) D12 passive mode. .138 dB
Max. sound pressure (single cabinet, 1 m, free field) D12 active mode .. .140 dB
(SPLmax peak, pink noise test signal with crest factor of 4)
Input level (100 dB-SPL/1 m)..............................................................................–22 dBu
M4 loudspeaker
Nominal impedance.................................................................................................8 ohms
Power handling capacity (RMS / peak 10 ms)......................................400/1600 W
Nominal dispersion angle (hor. x vert., monitor setup)...............................50° x 70°
Components...........................................................15“ driver with neodymium magnet
...................................coaxial 1.3” exit compression driver with 3“ coil and CD horn
....................................................................................................Passive crossover network
Connections...............................................................................................................2 x EP5
..................................................................................................................(optional 2 x NL4)
Pin assignments......................................................EP5: 1: LF+/2: LF–/3: HF+/4: HF–
.......................................................................NL4: 1+: LF+/1–: LF–/2+: HF+/2–: HF–
Weight..............................................................................................................20 kg (44 lb)
M4 cabinet dimensions in mm [inch]
M4 Manual (1.7 EN) Page 8 of 10