Appendix b, Mm-4 specifications – Meyer Sound MM-4CEU User Manual
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APPENDIX B
APPENDIx b
mm-4 Specifications
Acoustical (mm-4CEU required)
Note: To realize the MM-4’s full capabilities, an MM-4CEU must be used. The amplifier driving the loudspeakers should be capable of 49 volts
RMS at the rated load impedance, and provide a voltage gain between 10 and 30 dB (20 dB for optimal S/N ratio and protection). The power
rating of the amplifier should be as follows: 1 MM-4/ch (16
Ω): 150 W; 2 MM-4/ch (8 Ω): 300 W; 4 MM-4/ch (4 Ω): 600 W; 8 MM-4/ch
(2
Ω): 1200 W
Operating frequency range
120 Hz - 18 kHz
Note: Recommended maximum operating frequency range. Response depends on loading conditions and
room acoustics.
Frequency response
160 Hz - 16 kHz ±4 dB
Note: Free field, measured with one-third octave frequency resolution at 4 meters.
Phase response
700 Hz - 17 kHz ±45°
Maximum peak SPL
112.5 dB
Note: Measured with pink noise at 1 meter.
Maximum continouos SPL
100 dB
Note: Measured at 1 meter, driven continuously for two hours with pink noise signal having a 12.5 dB peak-
average ratio.
Horizontal coverage
80° (3 kHz - 14 kHz ±10°); 120° (below 2 kHz)
Vertical coverage
80° (3 kHz - 14 kHz ±10°); 120° (below 2 kHz)
Transducer
One 4" cone driver; Nominal impedance: 16
Ω; Voice coil size: 0.75"; Power-handling capability: 100 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. Aluminum enclosure dissipates heat
generated by driver.
Physical
Dimensions
4.00" H x 4.00" W x 4.20" D excluding connector (102 mm x 102 mm x 107 mm)
Weight
3 lbs 14 oz (1.76 kg)
Enclosure
Extruded aluminum
Finish
Black anodized; custom color available
Protective grille
Perforated metal screen
4.40"
(112 mm)
4.00"
(102 mm)
4.00"
(102 mm)
4.20"
(107 mm)
2.93"
(75 mm)
2.00" (51 mm)
Weather-protected version: EN3 Connector
Indoor version: Phoenix-Style Connector
mm-4 Rear Panels
4.40"
(112 mm)
4.00"
(102 mm)
4.00"
(102 mm)
4.20"
(107 mm)
2.93"
(75 mm)
2.00" (51 mm)