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Description; The Plena Product Range; Contents Of Box; The Plena Power Amplifier - Bosch PLE-1P120-US Installation And User Instructions Manual

Plena easy line power amplifier
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Plena Power Amplifier | Installation and User Instructions | Description


2. 1

The Plena product range

The Plena Easy Line Power Amplifier is part of the
Plena product range. Plena provides public address
solutions for places where people gather to work,
worship, trade, or relax. It is a family of system elements
that are combined to create public address systems
tailored for virtually any application.
The Plena product range includes:
power amplifiers
a music source unit
a digital message manager
a feedback suppressor
call stations
an All-in-One system
a voice alarm system
a timer
a charger
a loop amplifier
The various elements are designed to complement each
other thanks to matched acoustical, electrical and
mechanical specifications.

Contents of box

The packaging box contains the following contents:
PLE-1P120-US, or PLE-1P240-US
Power cord
Mounting brackets (LBC 1901/00)
XLR cable
Bosch Security Systems | 2008-02 | PLE-1P120-US, PLE-1P240-US en

The Plena Power Amplifier

The Plena Power Amplifier is a high performance
power amplifier for use in professional public address
systems. For a schematic overview of the Plena Power
Amplifier, see figure 2.1 on the next page.
The Plena Power Amplifier is provided with one line
input with a loop through output.
A 70 V slave input gives connection to existing
loudspeaker lines. This input is converted to 1 V and fed
to the input. The 1 V and 70 V input is summed.
The Plena Power Amplifier has 25 V and 70 V constant
voltage output and a low impedance output for 4 Ohm
The Plena Power Amplifier has an overload and a short-
circuit protection. A temperature controlled fan and
overheat protection ensures high reliability.
An LED meter monitors the master output. This signal
is also present on the headphone socket below the
output level meter. For total reliability and ease of use, a
limiter is integrated into the output stage to restrict
output if the user applies too much signal.
en | 9


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