Redback
A 4372
Manufactured in Australia to stringent engineering standards, the Phase 5 amplifier series boasts remarkable performance and outstanding reliability. With over two years of design and development, the evolution of Phase 5 involved extensive consultation with professional sound contractors and installers nationwide. The numerous features make this amplifier series ideal for the most demanding pro sound and industrial PA system applications. Redback Phase 5 amplifiers incorporate on-demand multi-staged thermally cued fan-forced cooling.
The output power stage is thermally monitored, allowing a long-life computer-style cooling fan to automatically switch "off" or "on" as needed, directing airflow through a specially designed tunnel heatsink. In quiescent or regular cycle paging mode, the fan remains inactive. An over-temperature sensor shuts down the amplifier in extreme overheating conditions, such as severe overload or misuse, with automatic restart once normal temperatures are restored.
The output voltage is limited to a maximum of 105V RMS, regardless of load impedance, to prevent damage to speaker loads. Standard 100V line PA amplifiers can deliver up to 180 volts or more under high drive and very light loading conditions, which can quickly destroy connected loudspeakers.
Power Output: 2 x 125 Watts RMS
Distortion: < 0.5%, @ 1kHz
Output Line: 100V
Frequency Response
Mic Inputs: 50Hz - 12kHz, -3db
Mic Sensitivity (3 pin XLR): 500mV
Signal to noise ratio
Mic Inputs: > 75db below rated output
Line Output: 600Ω balanced, 0dB , 3 Pin XLR
Output Connectors
Speakers: Screw terminals
Input Connectors
Inputs: 3 pin XLR balanced
24V DC power: Screw terminals
240V AC power: IEC power connector
Controls
Mic inputs: Volume
Power: On/off switch
Indicators: Power, signal present, output peak limiting, overtemp ,current limit, Protect, Half Power, 24V DC, Mains
Power Supply: 240V AC or 24V DC
Fuse Protection: 7.5A AC , 2x 10A DC
Dimensions: ≈483W x 410D x 88H
*Specifications are subject to change without notice.
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A 4372
Manufactured in Australia to stringent engineering standards, the Phase 5 amplifier series boasts remarkable performance and outstanding reliability. With over two years of design and development, the evolution of Phase 5 involved extensive consultation with professional sound contractors and installers nationwide. The numerous features make this amplifier series ideal for the most demanding pro sound and industrial PA system applications. Redback Phase 5 amplifiers incorporate on-demand multi-staged thermally cued fan-forced cooling.
The output power stage is thermally monitored, allowing a long-life computer-style cooling fan to automatically switch "off" or "on" as needed, directing airflow through a specially designed tunnel heatsink. In quiescent or regular cycle paging mode, the fan remains inactive. An over-temperature sensor shuts down the amplifier in extreme overheating conditions, such as severe overload or misuse, with automatic restart once normal temperatures are restored.
The output voltage is limited to a maximum of 105V RMS, regardless of load impedance, to prevent damage to speaker loads. Standard 100V line PA amplifiers can deliver up to 180 volts or more under high drive and very light loading conditions, which can quickly destroy connected loudspeakers.
Power Output: 2 x 125 Watts RMS
Distortion: < 0.5%, @ 1kHz
Output Line: 100V
Frequency Response
Mic Inputs: 50Hz - 12kHz, -3db
Mic Sensitivity (3 pin XLR): 500mV
Signal to noise ratio
Mic Inputs: > 75db below rated output
Line Output: 600Ω balanced, 0dB , 3 Pin XLR
Output Connectors
Speakers: Screw terminals
Input Connectors
Inputs: 3 pin XLR balanced
24V DC power: Screw terminals
240V AC power: IEC power connector
Controls
Mic inputs: Volume
Power: On/off switch
Indicators: Power, signal present, output peak limiting, overtemp ,current limit, Protect, Half Power, 24V DC, Mains
Power Supply: 240V AC or 24V DC
Fuse Protection: 7.5A AC , 2x 10A DC
Dimensions: ≈483W x 410D x 88H
*Specifications are subject to change without notice.
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