Bosch PLE-1MEXX0-XX Specifications download pdf (Page 9)

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PA and Emergency Sound | Plena Easy Line | 9

PLE‑1MAxx0‑EU Plena

Mixer Amplifier

Features

▶

4 microphone/line inputs, plus 3 music source inputs

▶

100 V and telephone input with priority & VOX

▶

Announcement only output, 3-wire volume override

▶

Voice-activated emergency override

▶

Wide range of power (30, 60 and 120 Watts)

▶

2-tone chime

▶

Outputs for line out and music only out

▶

Unique easy-to-use intuitive tone controls

These Plena mixer amplifiers are high performance,

professional public address units with modern state of the

art features. They are easy to use, taking the complexity

away from the user and putting it where it belongs, inside

the equipment. Providing a crisp call or clear music is as

easy as turning on the radio.

The amplifier is also surprisingly affordable, without

sacrificing features such as ducking, priority and

flexibility.

Functions

Microphone and line inputs

All Mic/line inputs can be switched between microphone

level and line level sensitivity. The inputs are balanced but

can be used unbalanced. Phantom power can be switched

on to provide power to condenser microphones.

Input channels 1 and 2 can take priority over all other

microphone and music inputs:

•

Input 1 can be activated by contact closure on the PTT

(push to talk). A 2-tone chime can be configured to

precede an announcement.

•

Input 2 can be switched automatically if a signal is fed

to the input i.e. if someone speaks into the

microphone (VOX activation).

When one or both inputs are configured to have priority,

the amount of attenuation (reduction) of the cinch inputs,

can be set between ‑2 dB (little attenuation) or -∞ dB

(mute). This provides a talk-over or voice-over function.

Input channels 1 and 2 also feature selectable speech

filters to enhance the clarity of announcements.

Music inputs

Separate music inputs are available with their own input

selector and volume control. The user can choose a music

source like a CD player or radio (like the PLN-DVDT), and

set the level of music.

Personalized settings

More unique features are available such as detachable

labels where the user can write the names for inputs,

music sources and zones. These labels can then be

mounted on the front, protected by the clear window.

Another useful feature is to indicate preferred settings on

the front panel by inserting colored pins at the preset

levels of all knobs. You can then instruct a user to set all

the controls to the silver pins to configure the system for

their particular use. A second user can set all controls to

the red pins for their configuration.

Integration

A telephone / 100 V emergency input with VOX activation

is provided for easy integration with another PA system or

a telephone paging system. It has its own preset volume

control and overrides all other inputs, including call

station and inputs 1 and 2.

The unit also has a line output to add amplifiers for larger

systems with more output power. This output can be

switched to music only, for example, so that music on

hold can be provided for the telephone system.

Power

The mixer amplifiers come in 30, 60 and 120 Watt output

power. This power is directly available on 100 V constant

voltage connections and on a low impedance connection

for an 8 ohm load. Moreover, the amplifiers have a

separate 100 V call-only output channel for addressing

areas where only priority announcements are required.

The call-only output can also be used for 3-wire remote,

volume control override.

Output status

An LED VU meter monitors the master output. A

headphone socket, below the VU meter, provides the

mixer output. 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.

Controls and indicators

Front

•

On/off switch

•

Power on LED

•

LED VU meter for master output (LEDs for -18, -12 -6,

-3, 0 dB)

•

Master volume knob

•

Four volume knobs for microphone inputs

•

Knob for treble level

•

Knob for bass level

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Bosch PLE-1MEXX0-XX Specifications Page 9

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