5
．
FREQUENCY RESPONSE
3
6
．
SPECIFICATIONS
Standards
Certified to the European Standard EN 54-24:2008
Loudspeaker for voice alarm systems for fire detection and fire alarm systems
Certification No. 1438/CPD/0280
Environment Type
Type B (Outdoor applications)
Rated Noise Power
30 W (100 V line and 70 V line)
Rated Impedance
100 V line: 330
Ω
(30 W), 670
Ω
(15 W), 1 k
Ω
(10 W), 2 k
Ω
(5 W)
70 V line: 170
Ω
(30 W), 330
Ω
(15 W), 670
Ω
(7.5 W), 1 k
Ω
(5 W), 2 k
Ω
(2.5 W)
Sensitivity
113 dB (1 W, 1 m at 500 Hz to 2.5 kHz peak level)
99 dB (1 W, 1 m at 100 Hz to 10 kHz pink noise)
87 dB (1 W, 4 m at 100 Hz to 10 kHz pink noise)
Max.SPL
111 dB (30 W, 1 m at 100 Hz to 10 kHz pink noise)
99 dB (30 W, 4 m at 100 Hz to 10 kHz pink noise)
Frequency Response
250 Hz – 10 kHz
Coverage Angle (–6 dB) Horizontal: 360° (500 Hz), 115° (1 kHz), 73° (2 kHz), 33° (4 kHz)
Vertical: 360° (500 Hz), 86° (1 kHz), 53° (2 kHz), 32° (4 kHz)
Operating Temperature –20 ºC to +55 ºC
Dust/Water Protection
IP65
Cable Polarity
Hot: Black, Com: White
Finish
Horn flare:
Aluminum, off-white, powder coating
Reflector horn, Trans case:
ABS resin, off-white
Bracket, screws and bolts: Stainless steel
Dimensions
285 (w) x 227 (h) x 277 (d) mm
Weight
2 kg
Option
Swivel bracket: YS-151S (Can be used instead of the supplied bracket.)
Notes
•
The design and specifications are subject to change without notice for improvement.
•
The specifications data was measured in an anechoic chamber, according to EN 54-24.
•
Reference axis: Axis is on the center of horn-mouth and perpendicular to the horn-mouth.
•
Reference plane: Plane is on the horn-mouth and perpendicular to the reference axis.
•
Horizontal plane: Plane is containing the reference axis and perpendicular to the reference plane.
[dB]
60
k
0
2
k
0
1
k
5
k
1
0
0
5
0
0
1
0
5
0
2
[Hz]
100
90
80
70
110
Frequency Response (1 W, 4 m)
4
．
EQUALIZATION USING A EQUALIZER
SC-630M EB-Q frequency response shall fit the EN 54-24 frequency response limits.
Therefore, use the equalizer set according to the table to satisfy the EN 54-24 requirement.
Note: Other frequencies gain are set to 0 dB.
Equalizer
Frequency 500 Hz 630 Hz 800 Hz 1k Hz 1.25k Hz 1.6k Hz 2k Hz 2.5k Hz 3.15k Hz
E-1231
(1/3 octave)
VX-200SE
(1/1octave)
Gain
-1 dB
-1 dB
-2 dB
-4 dB -6 dB -7 dB
-5 dB
+3 dB +1 dB
Gain
-2 dB
−
−
-6 dB
−
−
-4 dB
−
−
