Bosch LBB 1930/20 Power Amplifier
£467.00 ex VAT.
Description
The Bosch LBB 1930/20 is a supremely sophisticated 120W 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 1930/20 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
- Temperature-controlled fan for High Reliability at high output levels & Low Acoustic Noise at lower output levels
Specifications:
LBB 1930/20 |
LBB 1938/30 |
LBB 1935/20 |
|
|---|---|---|---|
Voltage (EU) |
230 VAC, ±10%, 50/60 Hz |
220/230 VAC, ±10%, 50/60 Hz |
230 VAC, ±10%, 50/60 Hz |
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 |
Power Consumption |
400 VA |
2200 VA |
760 VA |
Inrush Current |
8 A |
19 A |
9 A |
Distortion |
<1% @ 1 kHz |
<1% @ 1 kHz |
<1% @ 1 kHz |
CMRR |
>25 dB (50 Hz to 20 kHz) |
>25 dB (50 Hz to 20 kHz) |
>25 dB (50 Hz to 20 kHz) |
Current (Max) |
6 A |
30 A |
11 A |
Gain |
40 dB |
40 dB |
40 dB |
Sensitivity |
100V |
100 V |
100 V |
Impedance |
20 kOhm |
330 kohm |
20 kohm |
Connectors |
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Mounting |
Standalone; 19″ rack |
Standalone; 19″ rack |
Standalone; 19″ rack |
Line Inputs |
Two |
Two |
Two |
Operating Temperature |
-10 ºC to +55 ºC |
-10 ºC to +55 ºC |
-10 ºC to +55 ºC |
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 |
Weight |
Approx: 10.5 kg |
Approx: 25 kg |
Approx: 12.5 kg |
Data Sheets
Additional information
| Manufacturer | Bosch |
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