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Mixer Amplifiers

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Phase5 250W 4 Zone 100V Public Address Amplifier

PA-A4280

This Redback 4 Zone 250W PA mixer amplifier is similar in functionality to the A 4377/A4387 amplifiers with the addition of four 100V line output zones. During normal use, you are able to select via the front panel switches, any zone on or off to control BGM programming.
This Redback 4 Zone 250W PA mixer amplifier is similar in functionality to the A 4377/A4387 amplifiers with the addition of four 100V line output zones. During normal use, you are able to select via the front panel switches, any zone on or off to control BGM programming.

Product Information

This Redback 4 Zone 250 Watt 100V Public Address Mixer Amplifier is similar in functionality to the A 4377/A4387 amplifiers with the addition of four 100V line output zones. During normal use, you are able to select via the front panel switches, any zone on or off to control BGM programming. Remote paging to each zone is made possible by connecting the A 4660 paging console to the amplifier via Cat6 cable (2 consoles @ max 300m). This allows for paging to selected zones or all call, muting BGM to all zones. At the completion of the announcement, music will be restored to previously selected zones. BGM can also be selected on or off to all zones remotely from the paging console. When using the paging console, these microphones assume priority between input 1 and input 2 on the amplifier. If two consoles are connected, they operate on a first in, first served basis, activating a system busy indicator on the inoperative console.

Key Features:

Multi-stage thermally cued fan cooling
2U 19” rack mount (with optional A 4376)
Tape record out terminals
Provision for connection to Redback A4660 touchscreen paging console
MP3 based Alert/Evac tones with MP3 voice over message for emergency tones (built in)
3 mic input and 4 auxiliary inputs
Phantom powering available on all inputs
Adjustable vox muting on inputs 1 & 2.
Bass and treble tone controls
Terminals for 100V line output
240V AC or 24V DC power operation
Thermal & fuse overload protection
Built in short circuit protection
Australian designed & assembled

Specifications:
Power output: 250W
Distortion: <0.5% @ 1kHz Output line: 100V Frequency response: 50Hz - 12kHz, -3dB Line inputs: 300mV Mic line sensitivity: 3mV balanced Mic input: >75dB below rated output
Line inputs: >81dB below rated output
Speaker connection: Pluggable terminals
Power connection: IEC or 24VDC pluggable terminal
Audio inputs: 3 pin XLR, stereo RCA, 3.5mm jack
Controls: Volume (3), Bass, Treble, Master, Zone Selection (4)
Bass adjustment: ±10dB @ 100hz
Treble adjustment: ±10dB @ 10kHz
Indicators: Power, 24VDC, Fault, Peak Limit, Over Load, Paging Active
Fuse protection: 7.5A AC, 10A DC
Power: 240V AC or 24V DC (nominal)
Dimensions: 483 x 270 x 88mm

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