CROWN 180MA

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The Model 180MA by Crown

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.

• The 180MA has 4 inputs and one 80W power amplifier

180MA SPECIFICATIONS

• Frequency Reponse (at 1 watt from 4-ohm tap): 70 Hz to 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/Humidy: 0° C to 40° C at 95% relativehumidity (non-condensing).
• Storage Temperature: –20° C to 85°