Bosch - PLM-8M8, Eight-Zone PLENA Matrix DSP Mixer

Features

- Professional eight-zone DSP matrix mixer

- Central controller for the Bosch PLENA matrix system

- Integrated digital signal processing

- Integrated loudspeaker processing for every zone

- Eight fully independent output zones

- Flexible audio-source routing to every zone

- Independent microphone and line mixing per zone

- Independent music-source selection per zone

- Four switchable microphone or line inputs

- Professional XLR and TRS combination connectors

- Balanced professional audio inputs

- Selectable -16 dB input pad

- Selectable 48 V phantom power

- Integrated 100 Hz input high-pass filter

- Three stereo background-music inputs

- RCA connectors for music sources

- Dedicated call-station connection

- Compatible with the Bosch PLM-8CS call station

- Dedicated wall-control-panel connection

- Compatible with the Bosch PLM-WCP wall panel

- RS485 communication for control accessories

- Daisy-chain installation of RS485 accessories

- Dedicated priority logic-override input

- Emergency activation through contact closure

- Emergency input has overall system priority

- Four configurable call-station priority levels

- Ducking function for automatic source attenuation

- Integrated paging and chime management

- Storage of five DSP configurations

- Fast recall of saved system presets

- Suitable for multipurpose venues

- Five-filter input parametric equalizer

- Bell, Shelf and Notch input-filter types

- Input dynamic-range compressor

- Adjustable threshold, ratio, attack, release and gain

- Configurable high-pass and low-pass crossovers

- Crossover filters up to eighth order

- Seven-filter output parametric equalizer

- Bell, Shelf, Notch and All-pass output filters

- Independent output dynamic-range compressor

- Output delay adjustable up to 120 ms

- Independent output-level adjustment

- Output phase-inversion function

- Integrated Dynamic Bass processing

- Independent muting of inputs and outputs

- Eight balanced analog zone outputs

- Phoenix Euroblock zone-output connectors

- Two integrated RJ45 Amp Link outputs

- Four-channel transmission through shielded CAT 5 cable

- Direct connection to PLENA matrix amplifiers

- Reduced rack cabling requirements

- Faster and cleaner system installation

- Integrated 10/100 Mbps Ethernet interface

- Configuration through a Windows computer

- Intuitive Windows PC graphical interface

- iOS application for zone control

- Compatible iPhone and iPad control

- External wireless router required for iOS control

- Customizable user-access levels

- Protection of installer-only configuration settings

- Signal-present and clipping indicators

- Active phantom-power indicator

- RS485 and Ethernet activity indicators

- Output-signal presence indicators

- Call-station audio-bus indicator

- No accessible front-panel level controls

- Prevents unintended user adjustments

- Rear-panel mains power switch

- Stand-alone or 19-inch rack installation

- Compact single-rack-unit enclosure

- 19-inch rack-mounting brackets included

Specifications

- Brand: Bosch

- Model: PLM-8M8

- Product number: F.01U.269.004

- Product range: PLENA matrix

- Product type: DSP matrix mixer and loudspeaker processor

- Number of output zones: 8

- Number of microphone/line inputs: 4

- Microphone/line connectors: 4 XLR/TRS combination connectors

- Input clip level with pad off: 8.4 dBu / 6.2 dBV

- Input clip level with pad on: 24.2 dBu / 21.9 dBV

- Input pad: -16 dB

- Phantom power supply: 48 V

- Common-mode rejection at 1 kHz: 46 dB

- Microphone/line input distortion: Less than 0.01%

- Microphone/line dynamic range: 103 dB A-weighted

- Number of music inputs: 3 stereo inputs

- Music-input connectors: 3 pairs of RCA Cinch connectors

- Music-input clip level: 10.2 dBu / 8 dBV

- Music-input distortion: Less than 0.004%

- Music-input dynamic range: 103 dB A-weighted

- Number of zone outputs: 8

- Zone-output type: Balanced

- Zone-output connectors: Phoenix Euroblock terminals

- Maximum audio-output level: 17.7 dBu / 15.5 dBV

- Amp Link outputs: 2 RJ45 connectors

- Amp Link zones: Zones 1 to 4 and zones 5 to 8

- Amp Link nominal level: 1 V

- Amp Link impedance: Less than 100 Ω

- Call-station connector: 1 RJ45

- Wall-panel connector: 1 RJ45

- Accessory-control protocol: RS485

- Logic input: 2-pole metric Phoenix terminal

- Ethernet interface: 1 RJ45, 10/100 Mbps

- Input high-pass filter: 100 Hz

- Input parametric equalizer: 5 filters

- Output parametric equalizer: 7 filters per output

- Crossover filters: High-pass and low-pass up to eighth order

- Maximum output delay: 120 ms per output

- Number of DSP presets: 5

- Frequency response: 20 Hz to 20 kHz, +0/-3 dB

- Nominal mains voltage: 100 to 240 VAC ±10%

- Mains frequency: 50/60 Hz

- Input-voltage limits: 90 to 264 VAC

- Mains connector: IEC

- Consumption without connected accessories: Less than 10 W

- Maximum power consumption: 54 W

- Computer control: Windows graphical user interface

- Mobile control: iOS application

- Dimensions: 45 × 440 × 358 mm

- Rack format: 19 inches, 1U

- Mounting: Stand-alone or rack-mounted

- Colors: Traffic black RAL 9017 and silver RAL 9006

- Weight: Approximately 6 kg

- Operating temperature: -10 °C to +45 °C

- Storage temperature: -40 °C to +70 °C

- Relative humidity: Less than 95%

- Safety standard: EN 60065

- EMC emission standard: EN 55103-1

- EMC immunity standard: EN 55103-2

- Regional certification: CE

- Supplied components: PLM-8M8 mixer and mains power cord

- Supplied accessories: 19-inch rack-mounting brackets

- Supplied documentation: Safety documentation