Designed to meet the requirements of medium sized professional public address installations, delivering an output power of 60W RMS. Frequency response extends from 60Hz to 15kHz at a total harmonic distortion (THD) of less than 0.5%. Features include, VOX muting, three balanced XLR microphone inputs, three line RCA inputs, bass and treble controls, enabling a diversity of installation applications, including schools, public halls, workshops and sporting complexes. Inbuilt VOX muting allows input 1 (mic or line) to mute inputs 2-3 and input 2 (mic or line) to mute input 3.
Powered from 240V AC mains or 24V DC permitting battery backup operation during mains power failure. Output is 100V line only. All units feature thermal overload shutdown to protect the amplifier if a speaker fault condition develops.
A 4573 Alert/evac option board: When fitted, generates pre chime, bell, alert and evacuation tones. The alert tone can function continuously, or switch to evac tone after a preset time delay (adjustable 30 seconds to 4.5 minutes). Simply connects to the amplifier internally via the cable provided.
A 4373 Digital remote volume option board: When fitted and used in conjunction with A 2280B wallplate to provide remote volume level adjustment. Ideal for situations where the amplifier is located in a remote rack.
Power Output: 60 watts RMS
Distortion: < 0.5% @ 1kHz
Signal to Noise Ratio: Typically 75dB below rated output. All inputs
Mic inputs: 50Hz - 10kHz, -3dB
Line inputs: 60Hz - 15kHz, -3dB
Output line: 100V
Mic 1-3: 3mV
Line inputs 1-3: 300mV
Speakers: Screw terminals
Current Draw: 220mA Standby, 4.5A Full @ 24V DC
Protection: 2A AC fuse and 5A DC fuse
Weight: 7.4kg
Dimensions: 423W x 225D x 88H mm
Input Connectors
Mic 1-3: 3 pin XLR balanced
Line inputs 1-3: RCA stereo socket
24V DC power: Screw terminals
240V AC power: IEC power connector
VOX Muting: 60dB below rated output
Remote volume: Screw terminals
Controls
Mic inputs: Volume
Line inputs: Volume
Bass: ±10dB @ 100Hz
Treble: ±13dB @ 10kHz
Power: On/off switch
Indicators: Power, Overload
Power supply: 240V AC or 24V DC
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