Bosch Plena – PLE‑1MAxx0‑EU Plena Mixer Amplifier

Plena PLE‑1MAxx0‑EU Mixer Amplifier

Key Features

• Versatile Inputs: 4 microphone/line inputs and 3 music source inputs.
• Integrated Priority System: 100 V and telephone inputs with VOX activation and priority control.
• Announcement-Only Output: Includes a 3-wire volume override.
• Emergency Functionality: Voice-activated emergency override.
• Power Options: Available in 30 W, 60 W, and 120 W models.

Overview

The Bosch Plena PLE‑1MAxx0‑EU Mixer Amplifier combines professional-grade performance with intuitive controls, offering clear audio for both announcements and music playback. Designed for public address systems, it ensures reliable operation with advanced features like priority ducking, voice-over capabilities, and seamless integration with external devices.

Functions

Microphone and Line Inputs:

• 4 mic/line inputs, each with a balanced/unbalanced switch.
• Phantom power for condenser microphones.
• Priority control on Inputs 1 and 2, with options for push-to-talk (PTT) or VOX activation.

Music Playback:

• 3 dedicated music inputs with independent volume control.
• Select music sources like CD players or radios for background audio.

Emergency Integration:

• 100 V and telephone emergency input with VOX activation.
• Overrides all other inputs, ensuring priority announcements are always delivered.

User Customization:

• Detachable labels for easy identification of input sources and settings.
• Color-coded pins to mark preset levels for quick reconfiguration by different users.

Performance and Connectivity

• Output Options: Supports 100 V constant voltage and 4-ohm low impedance connections.
• Call-Only Output: Dedicated 100 V channel for priority announcements.
• Expandable: Includes a line output for additional amplifiers or larger systems.

Reliability Features

• Limiter: Integrated into the output stage to prevent signal overload.
• VU Meter: LED indicators for real-time monitoring of master output levels.
• Headphone Output: For direct monitoring of the mixer output.

Specifications

Electrical:

• Power Supply: 230 VAC ±10%, 50/60 Hz.
• Output Power Options: 30 W, 60 W, or 120 W.

Inputs:

• Mic/Line Inputs (4): Balanced XLR or 5-pin Euro connectors, with ducking and VOX features.
• Music Inputs (3): Stereo cinch connectors, converted to mono.
• Emergency/Telephone Input: 7-pin Euro connector, VOX-activated.

Outputs:

• 100 V/4-ohm Outputs: Supports wide installation scenarios.
• Master/Line Output: Balanced XLR for external amplification.

Mechanical:

• Dimensions: 100 x 430 x 270 mm (2U rack size).
• Weight: 5–10.5 kg, depending on the model.
• Color: Charcoal.

Environmental:

• Operating Temperature: -10 ºC to +45 ºC.
• Storage Temperature: -40 ºC to +70 ºC.
• Humidity: <95%.

Parts Included

• 1 PLE‑1MAxx0‑EU Mixer Amplifier.
• 1 Power Cord.
• 1 Quick Start Manual.
• 1 Set of 19” Mounting Brackets.
• 1 Plena Easy Line CD.

Certifications

• Safety: EN 60065.
• EMC: EN 55103-1 (emission) and EN 55103-2 (immunity).