Bosch LBD1930/00, 120W, Plena Booster Amplifier, Charcoal

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₹19,960.00



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Bosch LBD1930/00 Plena 120W Booster or Power Amplifier, Charcoal

  • Bosch LBD1930/00 Plena Booster Amplifier 120 W
  • Bosch LBD1930/00 Plena Booster Amplifier 120 W
  • Wide range of power amplifier from 120W,240W and 480W
  • Multiple outputs - 70 V / 100 V and 8/4 ohm
  • Temperature controlled forced front to back ventilation, directly stackable
  • Mains, battery back-up, and pilot tone supervision
  • Dual inputs with priority switching (LBD1938)

The LBD 193x amplifiers are powerful power amplifier in a 2U high 19”case (3U housing for LBD 1938) for rack mounting or tabletop use

The Bosch Plena power amplifier series with its varied amplification range fulfills a wide variety of public address requirements at a surprisingly low cost

The LBD193x amplifiers feature colorful LED bar on the front side to indicate the acoustic level of the signal in dB

LBD193x amplifiers have 100V input for slave operation of the amplifier, XLR loop in and loop through facility for ease of installation and 100V output as well as 70V output for connecting to the loudspeakers with line matching transformers,8ohm and 4ohm outputs for connecting to the Low impedance speakers

The output voltage can be selected between 100V and 70V internally

Additionally LBD1938/00 amplifier features a dual XLR inputs with priority switching

Gain or level control is located on the rear of the unit to avoid accidental setting change

The amplifier works on 24VDC power supply during emergency situations

Features

Wide range of power amplifier from 120W,240W and 480W

Multiple outputs - 70 V / 100 V and 8/4 ohm

Temperature controlled forced front to back ventilation, directly stackable

Mains, battery back-up, and pilot tone supervision

Dual inputs with priority switching (LBD1938)

Functions

Dependability

The amplifier is protected against overload and short circuits

A temperature-controlled fan ensures high reliability at high output levels and low acoustic noise at lower output levels               

An overheat protection circuit switches off the power stage,if the internal temperature reaches a critical limit due to poor ventilation or overload

Input

The system has two balanced inputs with priority control,each with a loop-through facility

This makes it easy to connect remote systems that require priority control

An additional 100V line input is provided to connect the amplifier to a 100V loudspeaker line to provide more power to remote locations

Gain or level control is located on the rear of the unit to avoid accidental setting change

A meter with LED-bar shows the output level

Output

The amplifier has 70V and 100V outputs for constant voltage loudspeaker systems,and a low impedance output for 8 ohm or 4 ohm loudspeaker loads

LBD1938 amplifier also has priority controlled 100V outputs which can be used to route audio coming into priority and program inputs to the loudspeaker

The LBD1938/00 amplifier has priority input and program input on the rear which can be used for routing important or emergency announcements when the amplifier is being used as a independent amplifier(ex: with local music source connected to program input)

There are Priority input enable and Program input enable pins which are default off and default on respectively,when these enabled by a 24VDC signal then the respective inputs are activated

Whenever the priority enable input is supplied with continuous 24VDC signal,the program input is over-rided by the priority input

Technical Specifications

Manufacturer Bosch
Brand Bosch
Model No LBD1930/00
Generic Name Booster or Power Amplifier
Product Type Amplifier
Power Consumption Maximum Power Consumption - 400 VA
Mains Operation Maximum Power - 274W, -3 dB - 193W, Pilot Tone - 41W, Idle - 18W
24V DC Operation Maximum Power - 7.0A (168W), -3 dB - 6.0A (144W), Pilot Tone - 0.9A (22W), Idle - 0.1A (2.4W), Line Inputs - 2 x, Connector - 3-pin XLR, balanced, Sensitivity - 1 V, Impedance - >20k ohm, CMRR - >25 dB (50 Hz to 20 kHz), Gain - 40 dB
100V Input Connector - Screw, unbalanced, Sensitivity - 100 V, Impedance - 330k ohm, Line Loop Through Output - 2 x, Connector - 3-pin XLR, Nominal Level - 1V, Impedance - Direct connection to line input, Loudspeakers Outputs - 3 x, Connector - Screw, floating, Direct Output - 100 V, 70 V, 8/4 ohm
Power Supply Input Voltage - 230VAC ±10% at 50/60Hz or 24VDC ±10%, Inrush current - 8A at 230 VAC, 6A at 24 VDC
Performance Rated Output(RMS) - 120W, Power Reduction On Backup Power - -1 dB, Frequency Response - 60 Hz to 18 kHz (+1 / -3 dB at -10 dB ref. rated output), Distortion - <1> 65 dB
Mounting 19" rack, 2U height
Operating Temperature -10 °C to +45 °C
Storage And Transport Temperature -40 °C to +70 °C
Relative Humidity 95%
Color Charcoal
Weight 10.5 kg
Product Dimension 27 x 43 x 10. Cm
Country of Origin India
Warranty 1 Year
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