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Crown 280MA 8 Inputs & Dual 80-Watt 70V Power Amplifier & Mixer

Manufacturer: Crown International

Item #: 280MA   •   MFG #: 280MA

Availability: Usually ships in 3-10 business days
This item is currently out of stock and will ship the minute we receive it – normally 3-10 business days. Need it sooner? Call 800-522-2025 and we'll make it happen,or email Customer Service for expedited delivery options. Certain Non-Stock Items Valued over $50.00 may Ship FREE UPS GROUND in the Continental US. Multiple quantities of the same non-Stock Item Valued below $50.00 may be ordered to meet the $50 minimum order requirement to qualify for Free UPS Ground Freight. This offer does not apply to certain freight-intensive or hazardous items. Certain restrictions may apply.



    Crown's Commercial Audio mixer/amplifiers deliver legendary Crown quality to the commercial audio industry. These high-value mixer/amplifiers provide both 4-ohm and constant-voltage outputs (70V and 100V) for use in a wide range of commercial applications including schools, hospitals, factories, restaurant/retail, houses of worship, fitness facilities, A/V boardrooms, prisons, and small offices. Easily configured for a range of uses such as paging, background music, security, and evacuation instructions, Crown's Commercial Audio units are the smart choice for commercial sound.

    • Features

      • 4 to 8 inputs, 1 to 2 amplifier output channels
      • Ideal for commercial and industrial use
      • Expandable by adding Crown Commercial
      • Audio Series mixers or power amplifiers
      • Balanced Phoenix-type mic/line inputs; touch-proof screw-terminal speaker outputs
      • Any input can be sent to any output
      • Built-in four-tone generator
      • Priority muting
      • Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specifications
    • Specifications

      • Minimum guaranteed power into 4 ohms or 70V/100V output: 80W maximum power at 1 kHz with 0 5% THD
      • Frequency Reponse (at 1 watt from 4-ohm tap, 70 Hz - 19 kHz): +/- 1 dB
      • Frequency Response (at line out, 20 Hz to 20 kHz): +/- 1 dB
      • Power Bandwidth (at 4-ohm tap, 2 dB below maxium 1 kHz power): 50 Hz to 20 kHz with < 0 5% THD
      • Signal to Noise Ratio (ref to rated power, master volume at minimum): 85 dB
      • DC Output Offset: < ±5 mV
      • THD: Less than 0 5% at rated power at 1 kHz
      • Input Sensitivity (for full output at maximum gain): Balanced mic inputs 3 mV, balanced line inputs 800 mV, RCA connectors 400 mV
      • Input Impedance (nominal): Mic 400 ohms, line 100 kilohms, RCA 50 kilohms
      • Crosstalk: -70dB at 1kHz
      • Line Output Level (nominal): 1V into 10 kilohms
      • Phantom Power: 15 VDC
      • AC Line Voltages Available: 100V 50/60 Hz, 120V 60 Hz, 220V 50/60 Hz, 230V 50/60 Hz, 240V 50/60 Hz
      • Operating Temperature/Humidity: 0 degrees C to 40 degrees C at 95% relative humidity (non-con-
      • densing)
      • Storage Temperature: -20 degrees C to 85 degrees C