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250W Public Address Power Amplifier

SKU : A4380

RRP: $925.00
Our Price: $717.60
Less: $207.40


  • Description
  • Reviews
This range of booster amplifiers are ideal for installations requiring high power zone amplifiers. Simply choose a power rating according to the wattage required for each zone. These high power models are ideal for use in shopping centres, pedestrian precincts, public transport facilities and convention centres. All models operate on 240V ac and 24V dc for battery backup operation. Input is via 3 pin balanced XLR (500mV). 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. A dedicated nominal 24V dc 1A output is provided on the rear to power ancillary devices.


  • Multi-stage thermally cued fan cooling
  • Input signal presence indicator
  • Output peak limited
  • 2U 19" rack mount (ears included)
  • 3 pin XLR input
  • Level control rear mounted
  • 100V, 70V and 4 - 16Ω outputs
  • Thermal and overload protection
  • 240V ac, or 24V dc operation
  • 24V dc 1A output
  • 1A 24V Ancillary device power output

100% developed, designed & assembled in Australia.
Single 1976 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 35 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support. Read more about our Australian Made products

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. Read more about our industry leading warranty.

  • Model: A4380
  • Brand: Redback

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