Bosch PLE-1MA120-US 120 Watt Economy Plena Mixer Amplifier

These Plena mixer amplifiers are high performance, 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. The amplifier is also surprisingly affordable, without sacrificing features such as ducking, priority and flexibility.

Key Features

• 4 microphone/line inputs, plus 3 music source inputs
• 70 V and telephone input with priority & VOX
• Announcement only output, 3-wire volume override
• Voice-activated emergency override
• Wide range of power options (30, 60 and 120 Watts)
• 2-tone chime
• Outputs for line out and music only out
• Unique easy-to-use intuitive tone controls

Technical Specifications

Electrical
Mains power supply
Voltage
115 VAC ±10%, 50/60 Hz
Inrush current PLE-1MA120-US
10 A
Power consumption
PLE-1MA120-US
400 VA
Performance
Frequency response
50 Hz to 20 kHz (+1/3 dB @ 10 dB ref. rated output)
Distortion
<1% @ rated output power, 1 kHz
Bass Control
Max -12/+12 dB (frequency is setting dependent)
Treble Control
Max -12/+12 dB (frequency is setting dependent)
RJ-45 input 1 x
Wall panel input
For PLE-WP3S2Z
Mic//Line input 4 x
Input 1
5-pin Euro style pluggable screw, balanced, phantom, incl. PTT
Input 2-4
3-pin Euro style connector, balanced, phantom
Sensitivity
1 mV (mic); 200 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
>17 dB
Speech filter
-3 dB @ 315 Hz, high-pass, 6 dB/oct
Phantom power supply
16 V via 1.2 kohm (mic)
Music input 3 x
Connector
RCA, stereo converted to mono
Sensitivity
200 mV
Impedance
22 kohm
S/N (flat at max volume)
>70 dB
S/N (flat at min volume/muted)
>75 dB
Headroom
>25 dB
Emergency / telephone 1 x
Connector
7-pin Euro style pluggable screw connector
Sensitivity Tel.
1 V maximum
Sensitivity 70 V
70 V maximum
Impedance
>10 kohm
S/N (flat at max volume)
>65 dB
VOX
threshold 50 mV; attack time 150 ms; release time 2 s
Master/music output 1 x
Connector
3-pin Euro style, balanced
Nominal level
1 V
Impedance
Loudspeaker output
25/70 V