产品介绍
Product Overview
The Crown® Macro-Tech® i Series offers amazing power, light weight and ease of use for touring sound applications. The series includes onboard analog signal processing and a built-in network connection.
Product Details
●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 |
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2-ohm Dual (per ch.) |
4-ohm Dual |
8-ohm Dual |
4-ohm Bridge |
8-ohm Bridge |
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20 mS BURST |
20 Hz - 20 kHz |
1 kHz |
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MA-5000i |
3000W |
2000W |
2500W |
2500W |
1250W |
4000W |
5000W |
MA-9000i |
4700W |
2800W |
2800W |
2800W |
1500W |
5600W |
7000W |
MA-12000i |
3750W |
3750W |
3750W |
3750W |
2100W |
7500W |
9000W |
Specifications
Performance |
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Frequency Response |
± 0.25dB |
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Signal to Noise Ratio below rated full-bandwidth power, |
> 108dB |
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Total Harmonic Distortion (THD) at 1 watt into 8 ohms |
< 0.1% |
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Total Harmonic Distortion (THD) Plus Noise |
< 0.35%, 20 hz to 20 kHz |
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Intermodulation Distortion (IMD) 60 Hz |
< 0.35% |
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Damping Factor (20 Hz to 100 Hz at 8 ohms) |
> 5000 |
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Crosstalk (below rated power, 20 Hz to 1 kHz) |
> 80dB |
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Common Mode Rejection (CMR) (20 Hz to 1 kHz) |
> 55dB, typically > 70dB |
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DC Output Offset (Shorted input) |
> 55dB, typically >70dB |
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Input Impedance (nominal) |
10 kilohms balanced, 5 kilohms unbalanced |
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Maximum Input Level |
+20 dBu typical |
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Load Impedance (Note: Safe with all types of loads) |
Stereo: 1/2/4/8/16 ohms |
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Input Sensitivity (referenced to 8 ohm rated output) |
1.4V, 32dB gain, and 26dB gain |
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Voltage Gain (referenced to 8 ohm rated output) |
MAi-5000i: |
MAi-9000i: |
MAi-12000i: |
Required AC Mains |
Universal AC input, 100-240VAC, 50/60Hz (±10%). Maximum AC mains voltage 264VAC. |
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AC Line Connector |
Five cordsets supplied with amplifier (USA, UK, European, Australia, India) |
Construction |
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Cooling |
Dual-zone, microprocessor controlled, continuously variable speed fans, front-to-vack airflow |
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Front Panel |
Cast aluminum with integrated handles. |
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Weight |
28 pounds (12.7 kg) net, 36 pounds (16.3 kg) shipping. |
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Dimensions (W x H xD) |
19 in. (48.3 cm) W x 3.5 in. (8.9 cm) H x 16.2 in. (41.1 cm) D. |
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Protection |
Amplifier is protected against reactive loads, faults and shorts. If one channel experiences a catastrophic failure, the entire amplifier will shut down. |