Crown 280MA - 8-Input, 2 x 80W Mixer/Amplifier

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Crown 280MA - 8-Input, 2 x 80W Mixer/Amplifier Crown 280MA - 8-Input, 2 x 80W Mixer/Amplifier

The 280MA mixer/amplifier from Crown Audio offers terrific sound quality and reliability, ideal for paging and background music in offices, schools, hospitals, retail stores, and other similar venues. It is a 2 x 80W unit designed for two-zone systems, and offers 4 ohm, 70 volt, and 100 volt outputs to meet your needs. It also features protection circuitry to prevent against damage from overheating, overloads, or short circuits.

  • Ideal for paging and background music in schools, offices, hospitals, etc
  • 70V/100V and 4 ohm output
  • 8-input, 2 x 80W unit
  • Easily connected to Crown Audio Commercial Audio Series mixers and amplifiers for expandability
  • Sends any input to any output
  • Independent bass and treble controls on each channel
  • Balanced phoenix-type inputs, touch-proof screw terminal outputs
  • Built-in 4 tone generator for bell, pre-announce chime, alert tone, and evacuate tone
  • Protection circuitry helps prevent against damage from overheating, overloads, and short circuits
  • Priority muting
  • Convection cooled

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Output Power: 80W Per Channel into 4 ohms or 70V/100V
Damping Factor: Not Specified by Manufacturer
Input Sensitivity:

  • Mic: 3 mV
  • Line: 800 mV
  • RCA: 400 mV

Input Impedance:

  • Mic: 400 ohms
  • Line: 100 k ohms
  • RCA: 50 k ohms

Gain: Not Specified by Manufacturer
Frequency Response:

  • 20Hz - 20kHz (Line Out)
  • 70Hz - 19kHz (1W from 4 ohm tap)

Signal-to-Noise Ratio: 85dB
Total Harmonic Distortion (THD): Less than 0.5%
Input Connections:

  • 8 x 3-Pin Balanced Phoenix-Type Mic/Line Connectors
  • 16 x Unbalanced RCA Jacks
  • 8 x 3-Pin High-Impedance Balanced Phoenix-Type Amp Connectors

Output Connectors:

  • 2 x 4-Position Terminal Strips with COM, 4 ohm, 70V, and 100V Terminals
  • 1 x 4-Pin Phoenix-Type VCA Connector
  • 2 x 3-Pin Balanced Phoenix-Type Line Out Connectors
  • 1 x 5-Pin Tone Generator Connector
  • 1 x 3-Pin Phoenix-Type Priority Connector

Controls Front Panel:

  • Power Switch
  • 8 x Detented Volume Knobs
  • 8 x Bass Control Knobs
  • 8 x Treble Control Knobs

Controls (Rear):

  • 1 x Reset Switch
  • 1 x Amp Configuration Switch
  • 2 x Tone Level Knobs
  • 16 x Input Routing Switches
  • 8 x Mic/Line Switches
  • 2 x Link In/Out Switches

Indicators: Front-Panel LEDs for Power, Signal, and Clip
Cooling: Convection Cooled
Power Consumption: Not Specified by Manufacturer
Dimensions (WxHxD): 19 x 3.5 x 12.2" (483 x 89 x 310 mm)

Other Details:

  • Manufacturer: Crown
  • Model: 280MA
  • SKU: 280MA
  • Shipping Weight: 33.5lbs

  • Crown Audio 280MA 8-Input, 2 x 80W Mixer/Amplifier
  • Power Cord
  • Rack Mounting Kit
  • Non-Touch Cover for Output Connectors
  • 3 Year Limited Warranty


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