CROWN MA-5000i เครื่องขยายเสียง เพาวเวอร์แอมป์ 1250W x 2 ที่ 8 โอห์ม, 2500W x 2 ที่ 4 โอห์ม
Macro-Tech i Series
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
|
| 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
|
-
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
For product availability and pricing please contact your local dealer.
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.
|
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
|
| 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
|
|
