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The Plena Mixer Amplifier - Bosch PLE-1MEXX0-XX Installation And Operation Manual

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Plena Mixer Amplifier
3.3

The Plena Mixer Amplifier

The Plena Mixer Amplifier is a high performance, professional public address unit for mixing
up to four separate microphone/line signals, and one music signal.
The volume of each microphone/line signal can be individually adjusted to obtain the required
mix; the mixed output is controlled via the master volume control and separate high/low tone
controls. The unit is easy to use, and provides a crisp call or clear music. The amplifier also
has enhanced features such as priority, labeling, and setting indicators.
All Microphone/line inputs can be switched between microphone level and line level
sensitivity. The inputs are balanced but can also be used unbalanced. Phantom power can be
selected via a DIP switch to provide power to condenser microphones. Input channel 1 can
take priority over all other microphone and music input:
Users can create a custom label for inputs and music sources. The label can be attached to
the special holder at the front of the mixer amplifier. Colored pins can also be inserted at
various positions around the volume and tone dial controls to indicate favorite settings for a
particular application.
An LED meter monitors the master output before the zone selection. This signal is also
present on the headphone connector below the output 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.
Bosch Security Systems B.V.
Input 1 can be activated by contact closure on a PTT (push to talk). A chime can be
configured to precede an announcement.
Installation and Operation manual
System Overview | en
PLE-1MExx0-xx | V1.0 | 2011.04
11

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