Με μοντέρνο σχεδιασμό και ήχο υψηλής ποιότητας, η σειρά NWB περιλαμβάνει μια ολοκληρωμένη γκάμα 3 μοντέλων.
Διαθέσιμο σε μαύρο χρώμα.
Το ηχείο είναι εξοπλισμένα με γούφερ 5" συν 1" tweeter θόλου.
Η ισχύς κυμαίνεται στα 40W.
Ο μετασχηματιστής είναι διαθέσιμος για εφαρμογές 70V και 100V. Η σειρά NWB έχει βαθμολογία IP55 και πιστοποίηση EN 54-24.
| 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” | ||