Crown MA9000I Professional Stereo Amplifier

SKU #: CRMA9000I | Part #: MA9000I
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Description:
The Crown Macro-Tech i Series continues the Macro-Tech legacy of unparalleled sonic accuracy and detail, putting sound quality above all else. Patented, cutting-edge Class-I circuitry gets more power out of an amplifier with less waste

Features:

Details

Power Output 
Guaranteed minimum power in watts at 20 Hz-20 kHz with 0.35% THD
  2-ohm Dual (per ch.) 4-ohm Dual
(per ch)
8-ohm Dual
(per ch)
4-ohm
Bridge
8-ohm
Bridge
20 mS
BURST
20 Hz - 20
kHz
1 kHz
MA-5000i 3,000W 2,000W 2,500W 2,500W 1,250W 4,000W 5,000W
MA-9000i 4,700W 2,800W 2,800W 3,500W 1,500W 5,600W 7,000W
MA-12000i 6,000W 3,750W 3,750W 4,500W 2,100W 7,500W 9,000W
  • The Crown® Macro-Tech® i Series continues the Macro-Tech legacy of unparalleled sonic accuracy and detail, putting sound quality above all else
  • Patented, cutting-edge Class-I circuitry gets more power out of an amplifier with less waste
  • Rugged construction ensures that all Macro-Techs are built to withstand years of abuse on the road
  • Global Power Supply — designed to deliver maximum power no matter what country you work in
  • Built-in load, line voltage, input and output monitoring
  • Standard Ethernet networking via System Architect® lets system operators monitor and control the amplifier from any location

Specifications

Performance      
Frequency Response (at 1 watt, 20Hz - 20 kHz into 8 ohms) ± 0.25 dB
Signal to Noise Ratio below rated full-bandwidth power, 
A-weighted
> 108 dB
Total Harmonic Distortion (THD) at 1 watt into 8 ohms < 0.1%
Total Harmonic Distortion (THD) Plus Noise at full rated power < 0.35%, 20 Hz to 20 kHz
Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1, from full rated output to –30 dB < 0.35%
Damping Factor (20 Hz to 100 Hz at 8 ohms) > 5000
Crosstalk (below rated power, 20 Hz to 1 kHz) > 80 dB
Common Mode Rejection (CMR) (20 Hz to 1 kHz) > 55 dB, typically > 70 dB
DC Output Offset (Shorted input) < ± 3 mV
Input Impedance (nominal) 10 kilohms balanced, 5 kilohms unbalanced
Maximum Input Level +20 dBu typical
Load Impedance (Note: Safe with all types of loads) 
 
Stereo: 1/2/4/8/16 ohms     Bridge Mono: 2/4/8 ohms
Input Sensitivity (referenced to 8 ohm rated output) 1.4V, 32 dB gain, and 26 dB gain
Voltage Gain (referenced to 8 ohm rated output) MAi-5000i:
37.1 dB to 22.2 dB
MAi-9000i:
37.9 dB to 23.0 dB
MAi-12000i:
39.3 dB to 24.5 dB
Required AC Mains Universal AC input, 100-240VAC , 50/60 Hz (±10%). Maximum AC mains voltage 264VAC.
AC Line Connector Five cordsets supplied with amplifier (USA, UK, European, Australia, India)
Construction  
Cooling Dual-zone, microprocessor controlled, continuously variable speed fans, 
front-to-back airflow
Front Panel Cast aluminum with integrated handles.
Weight 28 pounds (12.7 kg) net, 36 pounds (16.3 kg) shipping.
Dimensions (W x H x D) 19 in. (48.3 cm) W x 3.5 in. (8.9 cm) H x 16.2 in. (41.1 cm) D.
Protection Amplifier is protected against reactive loads, faults and shorts. If one channel experiences a catastrophic failure, the entire amplifier will shut down.
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