Of modern design and high quality sound, the NWB Series includes a comprehensive range of 3 models that are available in either black or white.
NWB-3/ NWB-5/ NWB-8
Of modern design and high quality sound, the NWB Series includes a comprehensive range of 3 models that are available in either black or white.
The speakers are equipped with 3.5”, 5” or 8” woofer plus 1” dome tweeter.
The power ranges from 20W to 80W. Transformer are available for both 70V and 100V applications.
NWB Series is IP55 rated and EN 54-24 certified.
| MODEL | NWB-3 | NWB-5 | NWB-8 | |
| System type | 2-Way Passive Speaker Cabinet | |||
| Standard | Certified to the European Standard EN 54-24 /2008 | |||
| Loudspeaker for voice alarm systems for fire detection and fire alarm system | ||||
| Environment Type | Type B (Outdoor applications) | |||
| Transducer LF | 3.5" ferrite woofer | 5" ferrite woofer | 8" ferrite woofer | |
| 1.0” voice coil | 1.0” voice coil | 1.2” voice coil | ||
| Transducer HF | 0.8" Neodymium tweeter | 1" Neodymium Tweeter | 1" Neodymium Tweeter | |
| Rated Noise Power | 20W | 40W | 80W | |
| (100V and 70V line) | (100V and 70V line) | (100V and 70V line) | ||
| Rated Impedance | (100V line) | 500Ω (20W) | 250Ω (40W) | 125Ω (80W) |
| 1.0kΩ (10W) | 500Ω (20W) | 250Ω (40W) | ||
| 2.0kΩ (5W) | 1.0kΩ (10W) | 500Ω (20W) | ||
| 4.0kΩ (2.5W) | 2.0kΩ (5W) | 1.0kΩ (10W) | ||
| (70V line) | 250Ω (20W) | 122Ω (40W) | 62Ω (80W) | |
| 500Ω (10W) | 250Ω (20W) | 125Ω (40W) | ||
| 1.0kΩ (5W) | 500Ω (10W) | 250Ω (20W) | ||
| 2.0kΩ (2.5W) | 1.0kΩ (5W) | 500Ω (10W) | ||
| (Bypass) | 8 Ω | 8 Ω | 8 Ω | |
| Sensitivity | (500Hz-5kHz pink noise) | 85dB (1W, 1m) | 85dB (1W, 1m) | 87dB (1W, 1m) |
| (100Hz-10kHz pink noise, according to EN54-24) | 72dB (1W, 4m) | 73dB (1W, 4m) | 75dB (1W, 4m) | |
| (100Hz-10kHz pink noise, converted based on EN54-24) | 83dB (1W, 1m) | 85dB (1W, 1m) | 87dB (1W, 1m) | |
| Max SPL | (100Hz-10kHz pink noise, according to EN54-24) | 83dB (20W, 4m) | 87dB (40W, 4m) | 92dB (80W, 4m) |
| (100Hz-10kHz pink noise, converted based on EN54-24) | 95dB (20W, 1m) | 97dB (40W, 1m) | 105dB (80W, 1m) | |
| Coverage Angle (H x V) | (500Hz) | 360° x 360° | 360° x 360° | 162° x 140° |
| (1kHz) | 162° x 202° | 188° x 140° | 114° x 123° | |
| (2kHz) | 86° x 128° | 92° x 58° | 171° x 52° | |
| (4kHz) | 157° x 151° | 128° x 165° | 131° x 97° | |
| Protection Rate | IP55 | IP55 | IP55 | |
| Operating Temperature | -10°C to +50°C | |||
| Applicable Cable | Solid wire: f 6.6mm (18 AWG) UL2464 | |||
| Cable Connection | Steatite terminal x 2 speaker cable (f 6.6mm) | |||
| Finish | Enclosure : ABS + PC | |||
| Mesh speaker grill : surface-treated steel plate | ||||
| Speaker Wall bracket: surface-treated steel plate, painted joint bracket, screw and stainless steel cable | ||||
| Weight | 2.1 kg (4.63 lbs) | 3.1 kg (6.83lbs) | 6.4 kg (14.1 lbs) | |
| Dimensions (L x W x D) | 220 x 134 x 136 mm | 278 x 170 x 172 mm | 406 x 250 x 251 mm | |
| 8.6” x 5.3” x 5.4” | 10.9” x 6.7” x 6.8” | 16” x 9.8” x 10” | ||
