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-8%
BOSCH LBB 1956/00 Plena Voice Alarm Call Station
د.إ 1,439.00 د.إ 1,318.00
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Plena Voice Alarm Call Station
Product Features
- Stylish six-zone call station for the Plena Voice Alarm System
- Six zone selection keys, all-call key and momentary PTT-key for calls
- Selectable gain, speech filter, limiter, and output level for improved intelligibility
- LED indications for zone selection, fault, and emergency state
- Call station extension provides seven additional zone and zone group keys
Technical Specification
| Power supply | |
| Voltage range | 24 VDC supplied by LBB 1990/00 (or 18 to 24 VDC or VAC external power supply) |
| Current consumption | <30 mA (plus <15 mA per keypad) |
| Performance | |
| Nominal sensitivity | 85 dB SPL (gain preset 0 dB) |
| Nominal output level | 700 mV |
| Maximum input sound level | 110 dB SPL |
| Gain preset | +6 / 0 / -15 dB |
| Limiter threshold | 2 V |
| Compression ratio limiter | 1:20 |
| Distortion | <0.6% (maximum input) |
| Input noise level (equiv.) | 25 dB SPLA |
| Frequency response | 100 Hz to 16 kHz |
| Speech filter | -3dB @ 315 Hz, high-pass, 6 dB/oct |
| Output impedance | 200 ohm |
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