Polar Pattern; Frequency Response; Specifications - Toa PC-275AB-EB Instruction Manual

5. POLAR PATTERN

Horizontal polar diagram
6. FREQUENCY RESPONSE (1 W, 1 m)
Single Speaker

7. SPECIFICATIONS

Model
Standards
Environment Type
Rated Noise Power
Rated Impedance
Sensitivity
S.P.L.

Frequency Response

Coverage Angle (–6 dB) Horizontal: 180° (500 Hz), 170° (1 kHz), 170° (2 kHz), 130° (4 kHz)
Speaker Component
Operating Temperature -10°C .... + 55°C
Cable Connection
Applicable Cable Size
Finish Baffle
Cabinet
Dimensions
Weight
IP Grade
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 grill surface and perpendicular to the grill surface.
 Reference plane: Plane is on the grill surface and perpendicular to the reference axis.
 Horizontal plane: Plane is containing the reference axis and perpendicular to the reference plane.
PC-275AB-EB
Certified to the European Standard EN 54-24: 2008
BS-678BSW
Loudspeaker for voice alarm systems
for fire detection and fire alarm systems
In compliance with the British Standard BS-5839-8: 2008
Type A
2x 6 W (100 V line)
100 V line: 1.67 kOhm (6 W), 3.33 kOhm (3 W), 6.67 kOhm (1.5 W)
92 dB (1 W, 1 m, 1 speaker)
100 dB (1 W, 1 m, 2 speaker)
180 Hz – 20 kHz (–10 dB from sensitivity)
Vertical: 180° (500 Hz), 155° (1 kHz), 130° (2 kHz), 135° (4 kHz)
2x: 8 x 12 cm (3"x 5") cone speaker
Screw terminals (ceramic x 2)
Conductor size : 0.8 – 2.5 mm
Steel, white paint
Steel, white paint
274.4 (dia) x 86.5 (D) mm (10.8" x 3.41 ")
1.5 kg (3.31 lbs)
IP 32
Vertical polar diagram
Double Speaker
2
(cross section)
EN 54-24 Certificate
1488/CPD/0337/W
5