CROWN MA12000I Macro Tech Power Amplifier
Power Output Guaranteed minimum power in watts at 20 Hz-20 kHz with 0.35% THD
2-oHm Dual (per ch) 5,900W (20mS) BURST 3,500W - 20 Hz - 20 kHz 3,500W - 1 kHz
4-Ohm Dual (per ch) 4,000W
8-Ohm Dual (per ch) 2,100W
4-Ohm Bridge 7,000W
8-Ohm Bridge 8,000W
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
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)
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.