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
NCL Series features high-quality in-ceiling speakers, delivering exceptional sound quality as well for paging as BGM.
It includes two models of two-way speaker equipped with a 4” or 6.5” driver and a coaxial tweeter.
The stylish flat grille gives invisibility of the components, especially in rooms where discreet ceiling architecture is needed.
The dog ear flip tabs mounting system makes the speakers easy and quick to install.
The power ranges up to 30W and 60 W. It features power cable connection including a 16Ω position for low impedance parallel mode. The speakers are EN54-24 compliant.
| 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” | ||
