BOSCH LBD1930/00 Booster Amplifier
Key Features
Product Description
The Bosch LBD1930/00 is a 120 W professional power amplifier designed for public address (PA), background music, and voice evacuation systems. It delivers reliable, high-quality audio performance with support for 70 V, 100 V, and low-impedance (4 Ω / 8 Ω) speaker systems, making it suitable for a wide range of commercial installations.
The amplifier features dual balanced XLR inputs with priority control, a 100 V line input for slave operation, and XLR loop-through outputs for easy system expansion. It also supports 24 V DC battery backup and pilot tone supervision, ensuring dependable operation during power failures and emergency situations. Built-in short-circuit, overload, and thermal protection, along with temperature-controlled forced-air cooling, provide long-term reliability even under demanding conditions.
Housed in a 19-inch, 2U rack-mount chassis, the LBD1930/00 is ideal for schools, offices, hotels, shopping malls, factories, warehouses, places of worship, transportation hubs, and other commercial PA installations requiring dependable high-power audio amplification.
Specification
| Details | |
|---|---|
| Model | Bosch LBD1930/00 |
| Product Type | Power Amplifier |
| Rated Output Power | 120 W RMS |
| Amplifier Type | Professional Booster Amplifier |
| Frequency Response | 50 Hz – 20 kHz (+1 / -3 dB) |
| Total Harmonic Distortion (THD) | <1% @ Rated Output, 1 kHz |
| Signal-to-Noise Ratio | >80 dB |
| Line Inputs | 2 × Balanced XLR |
| Input Sensitivity | 1 V |
| Input Impedance | >20 kΩ |
| 100 V Line Input | Yes (Slave Operation) |
| Loop Through Output | 2 × XLR |
| Speaker Outputs | 100 V, 70 V, 4 Ω & 8 Ω |
| Gain | 40 dB |
| Power Supply | 230 V AC ±10%, 50/60 Hz or 24 V DC ±10% |
| Maximum Power Consumption | 400 VA |
| Battery Backup | 24 V DC |
| Pilot Tone Supervision | Supported |
| Cooling | Temperature-Controlled Forced-Air Cooling |
| Dimensions (H × W × D) | 100 × 432 × 250 mm (19-inch, 2U Rack Mount) |
| Weight | 10.5 kg |
| Color | Charcoal |
| Operating Temperature | -10°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | <95% |
| Included Accessories | Power Cord, Rack Mount Brackets, User Manual |