d&b audiotechnik M4 - Technical Specifications; M4 System Data; M4 Loudspeaker Specifications; M4 Cabinet Dimensions

Technical specifications
M4 frequency response, standard and
CUT settings
M4 system data - passive mode / 2-Way Active mode
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)
with D6 passive mode ..............................................................................................134 dB
with 10D.......................................................................................................134dB / 135 dB
with D12/D20/30D.................................................................................138 dB / 140 dB
with D80.....................................................................................................138 dB / 140 dB
(SPLmax peak, pink noise test signal with crest factor of 4)
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 (1.8 en) Page 8 of 10