NCL-4/ NCL-6 are two way ceiling speakers designed for indoor public address applications. It consists of a 4 inch and 6.5 inch cone driver and a coaxial dome tweeter.
NCL-4/ NCL-6 are two way ceiling speakers designed for indoor public address applications. It consists of a 4 inch and 6.5 inch cone driver and a coaxial dome tweeter.
MODEL | NCL-4 | NCL-6 | |
System type | Ceiling Speaker | ||
Standard | European Standard EN 54-24 /2008; Certification no. 1438-CPR-0696 | ||
Loudspeaker for voice alarm systems for fire detection and fire alarm system | |||
Environment Type | Type A (Indoor applications) | ||
Transducers | 1 x 4" (105 mm) woofer speaker | 1 x 6.5" (160.6 mm)woofer speaker | |
1 x 3/4" (19 mm) tweeter speaker | 1 x 3/4" (19mm) tweeter speaker | ||
Rated Noise Power | 30W | 60W | |
(100V and 70V line) | (100V and 70V line) | ||
Frequency Response | 100Hz – 20kHz | 65Hz – 20kHz | |
Rated Impedance | (100V line) | 328Ω (30W) | 146Ω (60W) |
656Ω (15W) | 328Ω (30W) | ||
1.327kΩ (7.5W) | 656Ω (15W) | ||
(70V line) | 164Ω (30W) | 82Ω (60W) | |
328Ω (15W) | 164Ω (30W) | ||
656Ω (7.5W) | 328Ω (15W) | ||
1.327kΩ (3.7W) | 656Ω (7.5W) | ||
(Bypass) | 16 Ω | 16 Ω | |
Sensitivity | (500Hz - 5kHz pink noise) | 86dB (1W, 1m) | 91dB (1W, 1m) |
(100Hz - 10kHz pink noise, according to EN54-24) | 74dB (1W, 4m) | 78dB (1W, 4m) | |
(100Hz - 10kHz pink noise, converted based on EN54-24) | 86dB (1W, 1m) | 90dB (1W, 1m) | |
Max SPL | (Rated noise power, according to EN54-24) | 87dB (20W, 4m) | 94dB (20W, 4m) |
(100Hz - 10kHz pink noise, converted based on EN54-24) | 99dB (20W, 1m) | 106dB (20W, 1m) | |
Coverage Angle (-6dB) | (500Hz) | 273° | 207° |
(1kHz) | 100° | 78° | |
(2kHz) | 77° | 142° | |
(4kHz) | 32° | 86° | |
Operating Temperature | -10°C to +50°C | ||
Speaker Component | 4” paper cone speaker | 6.5” paper cone speaker | |
Cable Connection | 4pin removable female screw terminal | ||
Finish | Enclosure : Cold rolled iron & ABS + PC, white | ||
Mesh speaker grill : surface-treated steel plate, white paint | |||
Bracket : surface-treated C-shaped bracket & tile support rails, white paint | |||
Screws and stainless steel cable | |||
Weight | 2.46 kg (5.42 lbs) | 3.33 kg (7.34 lbs) | |
Dimensions (Φ x D) | 214 x 224 mm | 252 x 224 mm | |
84.25” x 88.19” | 99.21” x 88.19” |