Redback

Redback 125W & 250W Public Address (PA) Power Amplifier

$895.00
Quantity

A 4370A

Wattage:
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Our range of high-power booster amplifiers is the perfect solution for installations requiring powerful zone amplifiers. Choose the power rating that matches the wattage needed for each zone. These amplifiers are ideal for shopping centres, pedestrian areas, public transportation facilities, and convention centres. They operate on both 240V AC and 24V DC, ensuring reliable performance with battery backup. The input is handled through a 3-pin balanced XLR (1V), with rear-mounted level control to prevent tampering or accidental adjustments.

 

The amplifier’s circuit design includes advanced protection features against output overvoltage, overcurrent, and overheating. These protections are self-resetting once the fault condition is resolved. The front panel LEDs provide constant visual feedback on the amplifier's status. To ensure reliable performance, an on-demand fan cooling system is included. Additionally, a dedicated 24V DC 1A output is available on the rear panel to power ancillary devices.

 

Features:

  • Robust design with cutting-edge Mosfet technology
  • Ultra-low noise and distortion
  • 70V, 100V, and 4-16Ω outputs
  • Dual power operation: 240V AC or 24V DC
  • 24V DC @ 1 Amp output for external devices
  • Multi-stage, thermally activated fan cooling
  • Output peak limiting
  • Thermal overload protection
  • Signal presence indicators
  • Fault and power status indicators
  • Rack mountable, compatible with 19-inch racks
Specifications

Power: 125 or 250 Watt RMS 

Distortion: < 0.5%, @ 1kHz

Frequency response: 50Hz - 15kHz, -3dB

Output line: 100V, 70V, or 4 - 16Ω

Input sensitivity: 1V balanced

Signal to noise ratio: (peak limiting by-passed) > 90 dB

Line output: 600Ω balanced, 0dBV, 3 pin XLR

Speaker Connection: Screw terminals

24V DC Output: Screw terminals

Inputs: 3 pin XLR (500mV)

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: 125Watt - 250mA Standby, 8A Full @ 24V DC

                         250Watt - 250mA Standby, 17A Full @ 24V DC

Protection: 125Watt - 5A AC and 10A DC fuse

                    250Watt - 7.5A AC and 20A DC fuse

Power supply: 240V AC or 24V DC (nominal)

Dimensions: 483W x 340D x 88H mm

Input Impedance: ~10KΩ

 

*Specifications are subject to change without notice.

Redback 125W & 250W Public Address (PA) Power Amplifier

$895.00
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Locally Owned

Australian owned since 1980

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