নিঃশব্দ

Standards

EN54-24

Loudspeaker for voice alarm system for fire detection and fire alarm system

Environmental Class EN54-24

Type A, indoor applications

IP rate protection (EN60529)

IP54

Way no./Speaker type

2-way Ø130mm coaxial speaker, neodymium tweeter

Transformer

100V (24W - 12W - 6W)

In-axis Freq. response (-10dB)

110 ÷ 20.000 Hz

Sensitivity (@1m, 1W)

86.3 dB SPL

SPL max (@1m, Pmax)

100.3 dB SPL

Coverage angle (-6dB)

360° (500 Hz), 258° (1 kHz), 128° (2 kHz), 63.6° (4 kHz), 58° (8 kHz)

Directivity Index DI (dB)

1.4 (500 Hz), 3.9 (1 kHz), 5.2 (2 kHz), 8.4 (4 kHz), 8.5 (8 kHz)

Directivity Factor Q

1.4 (500 Hz), 2.4 (1 kHz), 3.3 (2 kHz), 6.9(4 kHz), 7.0 (8 kHz)

Nominal/Music power

24W/48W

Nominal Impedance @ 1KHz

416.6 Ω(24W), 833.3Ω(12W), 1.66kΩ(6W)

Dimensions Ø - P

140mm - 240mm

Aluminium bracket

140mm - 152mm

Weight

1,46 Kg

Material

ABS V0 type – painted grid in aluminium

Colour

White