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Bosch Plena Power Amplifier Installation And User Instructions Manual

Plena power amplifiers
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Plena Power Amplifiers
Installation and User Instructions
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Plena Power Amplifier

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  Summary of Contents for Bosch Plena Power Amplifier

  • Page 1 Plena Power Amplifiers Installation and User Instructions Plena Power Amplifier...
  • Page 2: Important Safeguards

    Plena Power Amplifier | Installation and User Instructions | Important Safeguards en | 2 Important Safeguards Prior to installing or operating this product, always read the Important Safety Instructions which are available as a separate document (9922 141 7014x). These instructions are supplied together with all equipment that can be connected to the mains.
  • Page 3: Table Of Contents

    Plena Power Amplifier | Instalation and User Instructions | Table of contents en | 3 Table of contents Important Safeguards ..............................2 Table of contents ................................3 1. Introduction ..................................5 Purpose ..................................5 Digital document ...............................5 Intended audience ..............................5 Related documentation ............................5 Alerts ..................................5 Signs ...................................5...
  • Page 4 Plena Power Amplifier | Instalation and User Instructions | Table of contents en | 4 Bosch Security Systems | 2006-11 | 9922 141 50751en...
  • Page 5: Introduction

    Plena Power Amplifier | Installation and User Instructions | Introduction en | 5 Introduction Signs Except for note alerts, the nature of the effect that can be caused when the alert is not observed, is indicated 1. 1 Purpose using a sign. For note alerts, the sign provides more The purpose of the Installation and User Instructions is information about the note itself.
  • Page 6: Conversion Tables

    Plena Power Amplifier | Installation and User Instructions | Introduction en | 6 Conversion tables In this manual, SI units are used to express lengths, masses, temperatures etc. These can be converted to non-metric units using the information provided below.
  • Page 7: System Overview

    Plena Power Amplifier | Installation and User Instructions | System Overview en | 7 System Overview 2. 1 Plena The Plena Power Amplifier is part of the Plena product range. Plena provides public address solutions for places where people gather to work, worship, trade or simply enjoy themselves.
  • Page 8 Plena Power Amplifier | Installation and User Instructions | System Overview en | 8 Intentionally left blank. Bosch Security Systems | 2006-11 | 9922 141 50751en...
  • Page 9: Amplifiers

    Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 9 Amplifiers Controls, connectors and indicators 3. 1 Introduction 3.2.1 Front panel connectors and indicators The Plena Power Amplifier range consists of four mono amplifiers: See figure 3.1 for an overview of the indicators: •...
  • Page 10 Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 10 3.2.2 Rear panel connectors and indicators See figure 3.2 for an overview of the controls, connections and indicators: 1 Priority line - input 1 (XLR/balanced) 12 ON - OFF switch...
  • Page 11: Internal Setting

    Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 11 Internal setting The output voltage of the priority controlled loudspeaker outputs can be set to 70 V or 100 V. A high power fuse inside the unit is used as a voltage selector.
  • Page 12: Installation

    Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 12 Installation External connections The power amplifier is suitable for table-top and 19-inch 3.5.1 Connect the back-up power rack-mounting installation. Two brackets for rack- supply mounting are supplied. See figure 3.5 for installation details.
  • Page 13: Connecting Line Input And Loopthrough

    Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 13 3.5.2 Connecting line input and loopthrough The power amplifier has a balanced line input for connection to a pre-amplifier or a mixer. Use the loopthrough connection to connect the power amplifier to another power amplifier if more power is needed.
  • Page 14: Connecting The Priority Input And Using The Control Terminals

    Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 14 3.5.3 Connecting the priority input and Application example for use of the power amplifier using the control terminals control terminals (see figure 3.8) The power amplifier is provided with a balanced...
  • Page 15: V Slave Input

    Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 15 3.5.4 100 V slave input The power amplifiers have a 100 V slave input (18) that can be connected to an existing 100 V loudspeaker line. Note...
  • Page 16: Constant Voltage Loudspeakers

    Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 16 3.5.5 Constant voltage loudspeakers 3.5.6 Low impedance loudspeakers The power amplifier can drive 100 V constant voltage Connect low impedance loudspeakers to the 8 Ohm/0 loudspeakers at full power (100 V) or half power (70 V).
  • Page 17: Supervision

    Plena Power Amplifier | Installation and User Instructions | Supervision en | 17 Supervision Mains supervision The power amplifier supervises the availability of the Supervision is provided for: mains supply. If the mains supply fails and the back-up • Pre-amplifier and power amplifier function power supply starts, a signal is needed to indicate the •...
  • Page 18 Plena Power Amplifier | Installation and User Instructions | Supervision en | 18 Intentionally left blank. Bosch Security Systems | 2006-11 | 9922 141 50751en...
  • Page 19: Operation

    Plena Power Amplifier | Installation and User Instructions | Operation en | 19 Operation 5. 1 ON and OFF 5.1.1 Switch on Put the power switch on the rear of the power amplifier (see figure 5.1) in the I position.
  • Page 20: Technical Data

    Plena Power Amplifier | Installation and User Instructions | Operation en | 20 Technical data 5.2.4 Loudspeaker outputs Line loopthrough output (3 pin XLR balanced): 5.2.1 Electrical Nominal level 1 V Mains voltage: Impedance direct connection to line input 230/115 V(AC), ± 10%, 50/60 Hz...
  • Page 21: Power Consumption

    Plena Power Amplifier | Installation and User Instructions | Operation en | 21 5.2.7 Power Consumption LBB1930 LB1935 LBB1938 PLN-1P1000 230/115 V 0 dB (Pmax) 2200 - 3 dB 1472 - 6 dB 1058 - 20 dB (20 khz) - ∞ dB (idle)
  • Page 22 Plena Power Amplifier | Installation and User Instructions | Operation en | 22 Power Fault Relays' Output Input 1 Priority Loopthrough 1 Input 1 Input 2 Slave Input Input Battery Main Power Input 2 Program Pilot-tone Battery Enable Priority 100V...
  • Page 24 For more information visit www.boschsecuritysystems.com © Bosch Security Systems B.V. Data subject to change without notice 2006-11 | 9922 141 50751en...

This manual is also suitable for:

Lbb1930Lbb1935Lbb1938Pln-1p1000Lbb1920