Power Amplifier Macro Tech MA12000i Crown

Power output 2 ohm : 2 x 6000w
Power output 4 ohm : 2 x 4500w
Power output 4 ohm : 7500w bridge
Power output 8 ohm : 2 x 2100w
Power output 8 ohm : 9000w bridge

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-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.