เครื่องขยายเสียง ยี่ห้อ BOSCH รุ่น LBB1965-00
- Highly flexible stand‑alone digital message player
- Up to 12 messages and 12 trigger inputs
- Downloads messages from a PC in WAV format
- Compliant with standards for emergency sound systems
- Zone control for Plena system preamplifier LBB 1925/10
- Front panel control and remote control
Key Specifications
| Voltage | 230/115 VAC, ±10%, 50/60 Hz |
| Inrush current | 1.5 A at 230 VAC / 3 A at 115 VAC |
| Max power consumption | 50 VA |
| Voltage | 24 VDC, +15% / -15% |
| Current max | 1 A |
| Supported sample rates (fs) | 24 / 22.05 / 16 / 12 / 11.025 / 8 kHz |
| @ fs=24kHz @ fs=22.05kHz | 100 Hz to 11 kHz (+1 / -3 dB)100 Hz to 10 kHz (+1 / -3 dB ) |
| @ fs=16kHz | 100 Hz to 7.3 kHz (+1 / -3 dB ) |
| @ fs=12kHz | 100 Hz to 5.5 kHz (+1 / -3 dB) |
| @ fs=11.025kHz | 100 Hz to 5 kHz (+1 / -3 dB) |
| @ fs=8kHz | 100 Hz to 3.6 kHz (+1 / -3 dB) |
| Distortion | <0.1% at 1 kHz |
| S/N (flat at max volume) | >80 dB |
| Supervision DAC | 1 Hz pilot tone |
| Line input | 1 x |
| Connector | 3-pin XLR, balanced |
| Sensitivity | 1 V |
| Impedance | 20 kohm |
| CMRR | >25 dB (50 Hz-to 20 kHz) |
| Line input | 1 x |
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