Bosch - PLE-1MA120-EU, 120 W Plena Priority Mixer Amplifier

Features

- Professional mixer amplifier for public-address systems

- 120 W rated output power

- 180 W maximum output power

- Four switchable microphone or line inputs

- Balanced inputs suitable for unbalanced operation

- Phantom power for condenser microphones

- Individual volume control for four microphone inputs

- Input 1 priority through a PTT contact

- Integrated two-tone chime before priority announcements

- Automatic VOX activation on input 2

- Adjustable Ducking function for other audio sources

- Attenuation adjustable from -2 dB to full mute

- Inputs 1 and 2 override the other audio sources

- Selectable speech filters for improved intelligibility

- Three independent music-source inputs

- Stereo RCA music inputs converted to mono

- Front-panel music-source selector

- Independent background-music volume control

- Intuitive bass and treble controls

- Telephone or 100 V emergency input

- Automatic VOX activation for the emergency input

- Emergency input overrides all other audio sources

- Independent telephone or 100 V level adjustment

- Line output for connecting an additional amplifier

- Line output switchable to music-only operation

- 100 V constant-voltage loudspeaker output

- 4 Ω low-impedance loudspeaker output

- Separate 100 V priority announcement output

- Three-wire remote volume-control override

- RJ45 input for a wall-control panel

- Compatible with the Bosch PLE-WP3S2Z wall panel

- Five-level LED output VU meter

- Front-panel headphone socket for output monitoring

- Integrated limiter protecting the output stage

- Master output-volume control

- Detachable labels for identifying the inputs

- Colored setting pins for recalling preferred levels

- Stand-alone or 19-inch rack installation

- Rack-mounting brackets included

- Designed for announcements and background music

Specifications

- Brand: Bosch

- Model: PLE-1MA120-EU

- Product number: F.01U.033.715

- Product range: Plena

- Product type: Priority mixer amplifier

- Rated output power: 120 W

- Maximum output power: 180 W

- Loudspeaker outputs: 100 V and 4 Ω

- Output voltage at 4 Ω: 22 V

- Priority announcement output: 100 V line

- Number of microphone/line inputs: 4

- Input 1: Balanced 5-pin Euroblock and 3-pin XLR

- Input 1 function: PTT priority with Ducking

- Inputs 2 to 4: Balanced 3-pin XLR

- Input 2 function: VOX priority with Ducking

- Microphone sensitivity: 1 mV

- Line sensitivity: 1 V

- Microphone impedance: Greater than 1 kΩ

- Line impedance: Greater than 5 kΩ

- Phantom power supply: 16 V through 1.2 kΩ

- Dynamic range: 93 dB

- Microphone signal-to-noise ratio: Greater than 63 dB

- Line signal-to-noise ratio: Greater than 70 dB

- Muted signal-to-noise ratio: Greater than 75 dB

- Common-mode rejection ratio: Greater than 40 dB, 50 Hz to 20 kHz

- Microphone and line headroom: Greater than 17 dB

- Speech filter: -3 dB at 315 Hz

- Speech-filter slope: 6 dB/octave high-pass

- Number of music inputs: 3

- Music-input connectors: RCA Cinch

- Music-input configuration: Stereo converted to mono

- Music-input sensitivity: 300 mV

- Music-input impedance: 22 kΩ

- Music-input signal-to-noise ratio: Greater than 70 dB

- Muted music-input signal-to-noise ratio: Greater than 75 dB

- Music-input headroom: Greater than 25 dB

- Number of emergency inputs: 1

- Emergency-input type: Telephone or 100 V signal

- Emergency-input connector: 7-pin Euroblock

- Maximum telephone sensitivity: 1 V

- Maximum 100 V line sensitivity: 100 V

- Emergency-input impedance: Greater than 10 kΩ

- Emergency-input signal-to-noise ratio: Greater than 65 dB

- VOX activation threshold: 50 mV

- VOX attack time: 150 ms

- VOX release time: 2 seconds

- Master or music output: Balanced 3-pin XLR

- Nominal line-output level: 1 V

- Line-output impedance: Less than 100 Ω

- Number of RJ45 inputs: 1

- Compatible wall panel: Bosch PLE-WP3S2Z

- Frequency response: 50 Hz to 20 kHz, +1/-3 dB

- Distortion: Less than 1% at rated output power, 1 kHz

- Bass adjustment: Maximum -12/+12 dB

- Treble adjustment: Maximum -12/+12 dB

- Mains power supply: 230 VAC ±10%, 50/60 Hz

- Inrush current: 10 A

- Power consumption: 400 VA

- Dimensions: 100 × 430 × 270 mm

- Rack format: 19 inches, 2U

- Mounting: Stand-alone or rack-mounted

- Weight: Approximately 10.5 kg

- Color: Charcoal

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

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

- Relative humidity: Less than 95%

- Cooling-fan noise level: Less than 33 dB SPL at 1 m

- Safety standard: EN 60065

- EMC emission standard: EN 55103-1

- EMC immunity standard: EN 55103-2

- Supplied components: Amplifier, power cord, manual, 19-inch rack brackets and Plena Easy Line CD