A 4390A • Phase5 Public Address Power Amplifier 500W

This booster is ideal for installations requiring a high power zone amplifier. Ideal for use in shopping centres, pedestrian precincts, public transport facilities and convention centres. Massive 500W RMS rating suitable for powering long strings of 100V line speakers.

SKU: A 4390A Categories: , ,
Overview

This booster is ideal for installations requiring a high power zone amplifier. Ideal for use in shopping centers, pedestrian precincts, public transport facilities and convention centers. Operates on 240V ac and 24V dc for battery backup operation. Input is via 3 pin balanced XLR (1V). Level control is rear mounted to prevent tampering or accidental adjustment.

The circuit design includes protection features in case of output over voltage, over current and over temperature conditions. All are self resetting once the fault condition has been removed. Visual indication via front panel LEDs show amplifier status at all times. On demand fan cooling ensures reliable operation at all times.

Key Features:

  • Multi-stage thermally cued fan cooling
  • Input signal presence indicator
  • Output peak limited
  • 2U 19″ rack mount (ears included)
  • 3 pin XLR input, 3 pin XLR loop out
  • Level control rear mounted
  • 100V, 70V and 4 – 16Ω outputs
  • Thermal and overload protection
  • 240V AC, or 24V DC operation
  • 300mA 24V battery trickle charge

 

 



Developed, designed & assembled in Australia.
Since 1974 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 50 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support.



Backed by an industry leading 10 Year Manufacturer Warranty.
Our Redback products have a long tried and tested history of bulletproof reliability. Altronics offers a 10 Year Warranty on all Australian Made Redback products. Our local in-house service department has all the know how to answer technical queries and provide timely service.

Specifications
Power Output: 500 watts RMS
Distortion: < 0.5%, @ 1kHz Frequency Response: 50Hz – 15kHz, -3dB Output Line: 100V, 70V, or 4 – 16Ω Signal To Noise Ratio: (peak limiting by-passed) > 90 dB
Line Output: 600Ω balanced, 0dBV, 3 pin XLR
Speaker Connection: Screw terminals
Trickle Charge: Binding posts
Inputs: 3 pin XLR (1V)
24V-30V DC Power: Screw terminals
240V AC Power: IEC power connector
Indicators: Mains, 24V DC, Power, Signal presence, Over temp, Over current, Shut down, Peak limiting
Current Draw: 500mA Standby, 35A Full @ 24V DC
Power Supply: 240V AC or 24V DC (nominal)
Protection: 10A AC and 2 x 20A DC
Dimensions: ≈ 483W x 380D x 88H
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