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Bosch LBB 1920 User Manual

Bosch LBB 1920
20 pages
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Plena Universal Pre-amplifier
Installation and Operating Manual
LBB 1920
en
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Bosch LBB 1920 Specifications

General IconGeneral
BrandBosch
ModelLBB 1920
CategoryAmplifier
LanguageEnglish

Summary

Important Safeguards

Safety Instructions and Precautions

Covers essential safety guidelines for operating and maintaining the pre-amplifier to prevent hazards.

About This Manual

Key Safety Precautions

Highlights critical safety warnings regarding electrical shock and the need for qualified service personnel.

Front Panel Controls

Front Panel Layout

Details the front panel controls, including volume, tone, power, and VU meter, with their functions.

Rear Panel Connections

Rear Panel Layout

Explains the various rear panel connectors for inputs, outputs, power, and other essential functions.

Internal Settings

Priority Mode Configuration

Configures priority modes (serial, blocking, mixing) using jumpers for channel priority control.

Channel Input and Filter Settings

Sets input type (Mic/Line, Mic/Aux) and enables speech filter for enhanced intelligibility.

External Settings and Connections

Emergency Input Setup

Guides on using the emergency input for announcements, its VOX activation, priority, and volume control.

Operation

Technical Data

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