Crown MA9000I | Macro-Tech i Series, Class-I Amplifier

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

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	4-ohm Dual (per ch)	8-ohm Dual (per ch)	4-ohm Bridge	8-ohm Bridge
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

Front and Back Panel Views
MA-5000i A&E Specs
MA-9000i A&E Specs
MA-12000i A&E Specs

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.