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Bosch PLE‑1ME-IN Plena Mixer Amplifier

Bosch PLE‑1ME240‑IN Plena Mixer Amplifier- 240W


Bosch Amplifier PLE‑1ME240‑IN

Bosch PLE‑1ME 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 crisp call or clear music is as easy as turning on the radio. Offering the essentials of public address in an affordable package.

Features:

  • 4 microphone / line inputs, plus music source input
  • Announcement only output, 3‑wire volume override
  • Wide range of output power (240Watts)
  • 2‑tone chime

Functions of PLE‑1ME 240W

Microphone and line inputs

All Mic/line inputs can be switched between microphone level and line level sensitivity. The inputs are balanced but can be used unbalanced. Phantom power can be switched on to provide power to condenser microphones.

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 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 for3-wire remote, volume control override.

Output status

An LED VU meter monitors the master output. Ahead phone socket, below the VU meter, provides the mixer output. For total reliability and ease of use, a limiter is integrated into the output stage to restrict output if the user applies too much signal.

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

Technical specifications

Electrical
Mains power supply 220 VAC ±10%, 50/60 Hz(reduced power at lower mainsvoltage)
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 240 W
Loudspeaker output 4 ohm 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(PLE-1ME240-xx) <48 dB SPL @ 1 m
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