d&b audiotechnik M4 Operating Manual

5, Operation NOTICE! Only operate d&b loudspeakers with a correctly configured d&b amplifier, otherwise there is a risk of damaging the loudspeaker components. Applicable d&b amplifiers: D80/D20/D12/D6/10D/30D. Application Setup Cabinets per channel M4 passive M4 (Dual Ch…

7, Dispersion characteristics The graphs below show dispersion angle over frequency of an M4 cabinet plotted using lines of equal sound pressure (isobars) at –6 dB and –12 dB. The characteristics refer to monitor operation. When used as a front-of-house system, the horizontal dispersion correspon…

10, D2990.EN .01, 03/2016 © d&b audiotechnik GmbH d&b audiotechnik GmbH, Eugen-Adolff-Str. 134, D-71522 Backnang, Germany, Phone +49-7191-9669-0, Fax +49-7191-95 00 00_______ …

8, 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)..............................…

6, d&b audiotechnik M4 Controller settings For acoustic adjustment the functions CUT, HFA and CPL can be selected. CUT circuit Set to CUT, the M4 low frequency level is reduced. The M4 is now configured for use with the Q-SUB, J-SUB or d&b C-Series subwoofers. HFA circuit -5 0 5 10 -10 -15 -20 -25 -30 20 …