Bosch Amplifier PLE‑1ME-IN-120W 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 (60, 120 and 240Watts) 2‑tone chime Functions of PLE‑1ME 120 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 60, 120 and 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 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 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 120 W Loudspeaker output 4 ohm 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% Acoustic noise level of fan(PLE-1ME240-xx) <48 dB SPL @ 1 m
