Redback 500W Power Amplifier (ALT-A4390A) Educational Resources and Supplies

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This booster is ideal for installations requiring a high power zone amplifier.

Availability: Available Usually Dispatched In: 2 - 5 Business Days Product Code: ALT-A4390A ISBN: 9321758243916 Brand/Publisher: Redback Categories: Professional Audio,

Part of the series PA Amplifiers.

View all products in this series

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.

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

100% developed, designed & assembled in Australia.
Since 1976 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 40 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