Description
The Bosch LBB 1935/20 is a supremely sophisticated 240W Power Amplifier, enclosed in a 19″ 2U case for rack mounting or tabletop use.
This high performance unit further fulfils a wide range of Public Address requirements at a surprisingly low cost. LEDs on the front panel of the LBB 1935/20 show the status of the Amplifier: Power, Audio Output Level and Supervised Functions.
Product Features
- Protected against overload & short circuits
- Front panel status LEDs for supervised functions
- Overheat protection circuit with LED warning on front panel
- Two balanced inputs with priority control, each with loop‑through
- Monitored mains, battery and pilot-tone presence; amplifier operation for Emergency/EVAC use
Product Specifications | LBB 1935/20 | LBB 1938/30 | LBB 1930/20 |
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Frequency Response | 50 Hz to 20 kHz @ +1/‑3 dB | 50 Hz to 20 kHz @ +1/‑3 dB | 50 Hz to 20 kHz @ +1/‑3 dB |
Voltage | 230 VAC ±10%, 50/60 Hz (EU) | 220/230 VAC ±10%, 50/60 Hz (EU) | 230 VAC ±10%, 50/60 Hz (EU) |
Power Consumption | 760 VA | 2200 VA | 400 VA |
Inrush Current | 9A | 19A | 8A |
CMRR | >25 dB, 50 Hz to 20 kHz | >25 dB, 50 Hz to 20 kHz | >25 dB, 50 Hz to 20 kHz |
Distortion | <1% (1 kHz) | <1% (1 kHz) | <1% (1 kHz) |
Current | Maximum: 11A | Maximum: 30A | Maximum: 6A |
Gain | 40 dB | 40 dB | 40 dB |
Sensitivity | 100V | 100V | 100V |
Impedance | 20 kOhm | 330 kohm | 20 kohm |
Connectors |
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Line Inputs | Two | Two | Two |
Operating Temperature | -10 ºC to +55 ºC | -10 ºC to +55 ºC | -10 ºC to +55 ºC |
Mounting | Standalone: 19″ rack | Standalone: 19″ rack | Standalone: 19″ rack |
Weight | Approx: 12.5 kg | Approx: 25 kg | Approx: 10.5 kg |
Dimensions | 100 mm H x 430 mm W x 270 mm D | 145 mm H x 430 mm W x 370 mm D | 100 mm H x 430 mm W x 270 mm D |
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