BOSCH PLE-1ME240-EU

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BOSCH PLE‑1ME240 Plena Mixer Amplifier

▶ 4 microphone / line inputs, plus music source input
▶ Announcement only output, 3‑wire volume override
▶ Output power 240 Watts
▶ 2‑tone chime

Power
The mixer amplifiers come in 240 Watt output power. This power is directly available on 100 V (70 V for US versions) constant voltage connections and on a lowimpedance 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 12 A
• Power consumption : 800 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
• 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 360 Watt / Rated 240 Watt
• Loudspeaker output 4 ohm
• Connector Screw terminal, floating, 31 V (240 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. 10.5 kg

Environmental

• Operating temperature -10 ºC to +45 ºC
• Storage temperature -40 ºC to +70 ºC,
• Relative humidity <95%
• Acoustic noise level of fan <48 dB SPL @ 1 m