BOSCH PLE-1ME120-EU

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BOSCH PLE‑1ME120 Plena Mixer Amplifier

▶ 4 microphone / line inputs, plus music source input
▶ Announcement only output, 3‑wire volume override
▶ Output power 120 Watts
▶ 2‑tone chime

These Plena Economy mixer amplifiers are 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. Offering the essentials of public address in an affordable package.

Power
The mixer amplifiers come in 120 Watt output power. This power is directly available on 100 V (70 V for US versions) constant voltage connections and on a low impedance connection for a 4 ohm load. Moreover, the amplifiers have a separate 100 V (70 V for US versions) 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.

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
• Volume knob for background music
• Knob for treble level
• Knob for bass level
• Headphone socket
Back:
•Dip switches

Certifications and approvals
Safety : acc. to EN 60065
EMC emission : acc. to EN 55103‑1
EMC immunity : acc. to EN 55103‑2

Technical Specifications

• Mains power supply :
• Voltage 230 VAC ±10%, 50/60 Hz (reduced power at lower mains voltage)
• Inrush current 10 A
• Power consumption : 400 VA
• Performance :
• Frequency response (Line) 60 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB ref. rated output)
• Frequency response (Mic.) 70 Hz to 20 kHz (+1/‑3 dB @ ‑10 dB ref. rated output)
• Distortion <1% @ rated output power, 1 kHz
• Bass Control Max. ± 8 dB
• Treble Control Max. ± 8 dB
• Loudspeaker output : Connector Screw terminal, floating
• Max / rated 180 W / 120 W
• Mic./Line input 4 x
• Input 1 : (push-to-talk contact with priority)  5‑pin Euro style, balanced, phantom.
• Input 2 : 3‑pin Euro style, balanced, phantom.
• Input 3 and 4 : TRS Jack (1/4, 6.3mm) balanced
• Sensitivity 1 mV (mic.); 300 mV (line)
• Impedance >1 kohm (mic.); >5 kohm (line)
• Dynamic range 93 dB
• S/N (flat at max volume) >63 dB (mic.); >70 dB (line)
• S/N (flat at min volume/muted) >75 dB
• CMRR (mic.) >40 dB (50 Hz to 20 kHz)
• Headroom >25 dB
• Speech filter -3 dB @ 315 Hz, high-pass, 6 dB/oct
• Phantom power supply 16 V via 1.2 kohm (mic.)
• Music input
• Connector Cinch, stereo converted to mono
• Sensitivity 200 mV
• Impedance 22 kohm
• S/N (flat at max volume) >75 dB
• S/N (flat at min volume/muted) >80 dB
• Headroom >25 dB
• Loudspeaker output
• Connector Screw terminal, floating
• Max 180 Watt / Rated 120 Watt
• Loudspeaker output 4 ohm
• Connector Screw terminal, floating, 22 V (120 W)

Mechanical

• Dimensions (H x W x D) 100 x 430 x 270 mm/(19″ wide, 2U high)
• Mounting Stand-alone, 19″ rack
• Color Charcoal
• Weight : Approx. 8.9 kg

Environmental

• Operating temperature -10 ºC to +45 ºC
• Storage temperature -40 ºC to +70 ºC
• Relative humidity <95%