Bosch LBB 1935/20 Power Amplifier

£779.00 EX VAT

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

Specifications:

LBB 1935/20

LBB 1938/30

LBB 1930/20

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

  • Screw, unbalanced
  • 3‑pin XLR, balanced
  • Screw, unbalanced
  • 3‑pin XLR, balanced
  • Screw, unbalanced
  • 3‑pin XLR, balanced

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

To view additional information, be sure to check out the Data Sheets below.

Data Sheets

Data Sheet

Additional information

Manufacturer

Bosch

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