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Crown 28M 8-Input 2-Zone Commercial Grade Business Music Mixer

SKU #: CR28M | Part #: 28M
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The 28M, part of the Commercial Audio Series from Crown Audio, is a rack-mountable preamplifier/mixer ideal for use in factories, schools, hospitals, restaurants, offices, and other venues. It features eight mic/line inputs with stereo RCA jacks and balanced phoenix-type connectors and two outputs with balanced phoenix-type connectors. Priority muting is included for paging. Individual volume, bass, and treble controls are provided for each input. LED signal indicators are provided for each input and the output. A built-in tone generator provides bell, pre-announce chime, alert, and evacuate tones.

Crown 28M Features:

  • Eight input channels, each with stereo RCA jacks and balanced phoenix-type connectors
  • Two output channels with balanced phoenix-type connectors
  • Each input may be assigned to any combination of outputs
  • Priority muting for paging
  • Built-in four tone generator
  • Signal indicator LEDs
  • Level, bass, and treble controls for each input
  • Phantom power

Crown 28M Specifications:

  • Frequency Response 20Hz - 20kHz
  • Signal to Noise Ratio 100 dB
  • Total Harmonic Distortion (THD) 0.05% (Typical)
  • Input Sensitivity Balanced Mic: 3mV
    Balanced Line: 800mV
    RCA: 400mV
  • Input Impedance Mic: 400 ohms
    Line: 100 k ohms
    RCA: 50 k ohms
  • Crosstalk -50 dB
  • Output Level 1.2V
  • Phantom Power 15VDC
  • Controls Front Panel 1 x Power Switch
    8 x Input Volume Control Knobs
    8 x Bass Controls
    8 x Treble Controls
    2 x Output Volume Control Knobs
  • Controls Rear Panel 1 x Mixer Config. DIP Switch (For Priority Muting and Phantom Power)
    8 x Mic/Line Selector Switches
    2 x Output Tone Control Potentiometers
    16 x Input Routing Dipswitches
  • Indicators Green LEDs for Input and Output Signals on Front Panel
    Red Clip Indicator LED
    Blue Power Indicator LED
  • Connectors 1 x AC Power Inlet
    1 x 2-Position Terminal Strip (24VDC Backup Power)
    1 x 3-Pin Phoenix Connector for Priority Muting
    2 x 3-Pin Balanced Phoenix Output Connectors
    1 x 5-Pin Phoenix Connector for Tone Generator
    8 x Balanced 3-Pin Phoenix Input Connectors
    8 x RCA Stereo Input Pairs (16 Jacks Total)
  • Dimensions (WxHxD) 19 x 1.75 x 10.7" (483 x 45 x 272mm)
  • Weight 8.7 lbs (3.9 kg)
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