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Public Address Amplifier (PA) 250W 6 Input

Manufacturer: Redback
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Designed for applications requiring up to six microphone inputs, without compromising output power and overall performance. Each model features inputs which can be configured for either microphone or line level operation.
SKU: A4389
$1,272.73
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Designed for applications requiring up to six microphone inputs, without compromising output power and overall performance. Each model features inputs which can be configured for either microphone or line level operation.  Bass/treble controls, phantom powering and adjustable input sensitivity enable unparallelled flexibility for a wide scope of applications such as factories, workshops, mine sites, sports clubs and office buildings. 

Features

  • 6 Balanced microphone inputs / 6 Aux inputs / 1 Music input
  • Robust design incorporating latest Mosfet technology
  • Very Low noise and distortion
  • 100V standard with optional 70V and 4-16Ω outputs
  • 240V AC or 24V DC operation
  • VOX muting on inputs 1 and 2 (Switch selectable internally)
  • Adjustable VOX level sensitivities
  • Bass and Treble controls
  • Tape Output
  • Phantom power on microphone inputs (DIP switch selectable internally)
  • Multi stage thermally cued fan cooling
  • Output Peak Limited
  • Thermal Overload protected
  • Signal Presence Indicator
  • Half power mode when overdriven
  • Fault Indicators
  • 24V DC Power Status Indicator
  • Optional Alert/Evac module with voice over message for emergency tones (A 4573)
  • Optional remote volume (With A 4373 Digital volume control module fitted and external A 2280B wall plate)
  • Rack Mountable (suits 19 inch racks) with optional A 4376 rack ears

Specifications

Power Outputs

  • Power: 250 watts RMS
  • Distortion: < 0.5%, @ 1kHz
  • Output line: 100V

Frequency Response

  • Mic inputs : 50Hz - 12kHz, -3dB
  • Line inputs: 50Hz - 15kHz, -3dB

Mic Sensitivity

  • Mic inputs: 3mV
  • Line inputs: 1V
  • Music input: 500mV

Signal To Noise Ratio

  • Mic inputs: > 75dB below rated output

Line Output600O balanced, 0dB , 3 Pin XLR

Output Connectors

  • Speakers: Screw terminals

Input Connectors

  • Inputs: 3 pin XLR balanced or 2 x RCA
  • 24V DC power: Screw terminals
  • 240V AC power: IEC power connector

MutingPTT via microphone switch contacts and VOX muting (inputs 1-2)

Controls

  • Mic/Line/Music inputs: Volume
  • Power: On/off switch
  • Indicators: Power, signal present, output peak limiting, over-temp , overload protect, half power, 24V DC

General

  • Power Supply: 240V AC or 24V DC
  • Fuse Protection: 250W - 7.5A AC ,20A DC
  • Dimensions: Ëœ483W x 300D x 88H
  • Weight: Ëœ 15.5kg
  • Current Draw: Min Ëœ 350 mA, Max Ëœ 20A

10 Years

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