Do you have a question about the Bosch Plena Power Amplifier and is the answer not in the manual?
Details the purpose of the manual for installing, configuring, and operating a Plena Power Amplifier.
Explains that the manual is also available as a PDF with hyperlinks for navigation.
Specifies that the manual is intended for installers and users of a Plena system.
Lists related documents, including the Plena Voice Alarm System Basic System Manual.
Explains the types of alerts (Note, Caution, Warning, Danger) and associated signs used in the manual.
Provides tables for converting SI units to non-metric units for lengths, mass, and pressure.
Describes the Plena product range as public address solutions for various gathering places.
Introduces the Plena Power Amplifier range, listing models and general features.
Details the front panel components of the amplifiers, including status indicators like VU meter and LEDs.
Details the rear panel connectors and indicators for inputs, outputs, and power connections.
Explains how to set the output voltage (70V/100V) using internal fuses.
Covers suitability for table-top and rack-mounting installations and the use of supplied brackets.
Details connecting a 24 Vdc back-up power supply and the importance of an earth connection.
Explains connecting line inputs and using loopthrough for linking multiple amplifiers.
Details connecting priority input and using control terminals for zone management and call routing.
Explains connecting to an existing 100 V loudspeaker line for remote power amplification.
Covers connecting constant voltage (70V/100V) and low impedance (8 Ohm) loudspeakers.
Instructions on connecting the amplifier to the mains power supply using the mains lead.
Details the procedure for switching the power amplifier on and off using the rear power switch.
Provides electrical specifications including mains voltage, rated power, and battery voltage.
Details performance metrics such as frequency response, distortion, and signal-to-noise ratio.
Describes line input and 100 V input specifications, including sensitivity and impedance.
Lists specifications for loudspeaker outputs, including constant voltage and low impedance options.
Specifies operating and storage temperature ranges, and relative humidity limits.
Covers EMC, acoustic noise, dimensions, mounting brackets, and weight.
Presents power consumption data for different models under various operating conditions and voltages.