Crown MA-9000i Macro-Tech i Series

Features

• 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): 37.9 dB to 23.0 dB
• Required AC Mains: Universal AC input, 100-240VAC , 50/60 Hz (±15%). 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.