Appendix B; M2D Specifications - Meyer Sound M SERIES Operating Instructions Manual

APPENDIX B

M2D SPECIFICATIONS

ACOUSTICAL
Note: The low-frequency power response of the system will increase according to the length of the array.
Operating frequency range
Frequency response
Phase response
Maximum peak SPL
Dynamic range
Horizontal coverage
Vertical coverage
Acoustical crossover
TRANSDUCERS
Low frequency
Note: To eliminate interference at short wavelengths, the two 10" drivers work in combination at low frequencies (60 Hz
– 350 Hz). At mid frequencies (350 Hz – 575 Hz) only one cone driver is fed from the crossover to maintain optimal polar
and frequency response characteristics.
High frequency
Note: The driver is coupled to a constant-directivity horn through a proprietary acoustical manifold (REM).
AUDIO INPUT
Type
Max. common mode range
Connectors
Input impedance
Wiring
DC Blocking
CMRR
60 Hz - 16 kHz
Note: Recommended maximum operating frequency range. Response depends upon
loading conditions and room acoustics.
70 Hz - 14 kHz ±4 dB
Note: Free field, measured with 1/3 octave frequency resolution at 4 meters.
650 Hz - 12 kHz ±45°
136 dB
Note: Measured with music at 1 meter.
>110 dB
90°
Varies, depending on array length and configuration.
575 Hz
Note: At this frequency, the mid- and high-frequency transducers produce equal sound
pressure levels.
Two 10" cone drivers with neodymium magnets
Nominal impedance: 4 Ω
Voice coil size: 2"
Power-handling capability: 400 W (AES)
Note: Power handling is measured under AES standard conditions: transducer driven
continuously for two hours with band limited noise signal having a 6 dB peak-average ratio.
One 4" diaphragm compression driver
Nominal impedance: 8 Ω
Voice coil size: 4"
Exit size: 1.5"
Power-handling capability: 250 W (AES)
Note: Power handling is measured under AES standard conditions: transducer driven
continuously for two hours with band limited noise signal having a 6 dB peak-average ratio.
Differential, electronically balanced
±15 V DC, clamped to earth for voltage transient protection
Female XLR input with male XLR loop output or VEAM all-in-one connector (integrates AC,
audio and network)
10 kΩ differential between pins 2 and 3
Pin 1: Chassis/earth through a 220 kΩ, 1000 pF, 15 V clamp network to provide virtual
ground lift at audio frequencies
Pin 2: Signal +; Pin 3: Signal -
Case: Earth ground and chassis
Differential DC blocking up to max common mode voltage
>50 dB, typically 80 dB (50 Hz – 500 Hz)
APPENDIX B
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