Appendix D: Mm-4 En3 Fire Alarm Signaling Specifications - Meyer Sound MM-4CEU Operating Instructions Manual

APPENDIX D
APPENDIx D
mm-4 EN3 fire Alarm Signaling Specifications
Acoustical (fire Alarm Amplifier Required)
Frequency response
Maximum continouos SPL
CAUTION:
Do not use the Fire Signaling MM-4 in air handling spaces.
!
DIRECTIONAL ChARACTERISTIC Per S541 -07 Sec. 7.5
180°
180°
16
Fire alarm; 400 Hz to 4 kHz
Note: Stated per the UL 1480 reporting method.
UL1480 sound pressure level 89 dB at 10 FT
10 kΩ differential between pins 2 and 3
Note: Measured per UL1480.
ULC S541 sound pressure level 104 dB at 3m
Note: Measured per ULC S541.
160°
-6 140°
-3
160°
-6 140°
-3
Horizontal Axis
SPEAKER
20°
40°
90°
Rated
Vertical Axis
SPEAKER
30°
50°
90°
Rated
3m
0°
-6
-3
3m
0°
-6
-3