Box Speakers
The BS-250AB-EB is a wall mount box speaker specially designed for voice alarm applications in buildings and installations where an A/B wiring is required. The speaker is certified according to the European Standard EN 54-24: 2008, and compliant with the British Standard BS 5839-8: 2008 14-8.
| BS-250AB-EB | BS-678BSB | BS-678BSW | |
|---|---|---|---|
| Frequency response |
150 Hz - 20 kHz |
150 Hz - 18 kHz |
150 Hz - 18 kHz |
| Sensitivity (1 W, 1 m) |
91 dB |
94 dB |
94 dB |
| Max. SPL (1 m) |
101 dB |
98 dB |
98 dB |
| Rated input (100 V) |
6 W |
6 W |
6 W |
| Tappings (100 V) |
100 V: 2 x 1.67 kΩ (6 W) / 3.33 kΩ (3 W) / 6.67 kΩ (1.5 W) |
100 V line: 1.7 kΩ (6 W) / 3.3 kΩ (3 W) / 6.7 kΩ (1.5 W) / 13 kΩ (0.8 W) 70 V line: 1.7 kΩ (3 W) / 3.3 kΩ (1.5 W) / 6.7 kΩ (0.8 W) / 13 kΩ (0.4 W) |
100 V line: 1.7 kΩ (6 W) / 3.3 kΩ (3 W) / 6.7 kΩ (1.5 W) / 13 kΩ (0.8 W) 70 V line: 1.7 kΩ (3 W) / 3.3 kΩ (1.5 W) / 6.7 kΩ (0.8 W) / 13 kΩ (0.4 W) |
| Speaker component |
2 x 10 cm full range dual cone (A/B 2-lines) |
15 cm cone type |
15 cm cone type |
| Dust / Water protection. |
IP 32 |
||
| Dimensions |
254.5 x 204.5 x 87.5 mm (W x H x D) |
250 x 190 x 110 mm (W x H x D) |
250 x 190 x 110 mm (W x H x D) |
| Finish |
ABS resin, Steel, traffic white (RAL 9016 or equivalent) |
HIPS resin, black (RAL 9011 or equivalent) |
HIPS resin, off-white (RAL 9010 or equivalent) |
| Operating temperature |
- 10 °C to + 55 °C |
-10 °C to +50 °C ( 14 °F to 122 °F) |
-10 °C to +50 °C ( 14 °F to 122 °F) |
| Weight |
1.75 kg |
1.7 kg |
1.7 kg |
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