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Crown MA-9000I Macro-Tech 9000i Power
Ampliflier, Power Rating: 1500W/Channel (8 Ohm
Stereo), 3500W/Channel (4 Ohm Stereo), 4700W/Channel (2 Ohm Stereo,
20ms Burst), 7000W (8 Ohm Bridge), 5600W (4 Ohm Bridge), Built-in load, line voltage, input and output monitoring,
Frequency Response +/-0.25 dB, Signal to Noise Ratio more than 112 dB, Total
Harmonic Distortion (THD) (at 2 watts into 8 ohms) less than 0.1%, Total
Harmonic Distortion (THD) Plus Noise (at full rated power) less than 0.35%, 20
Hz to 20 kHz, Intermodulation Distortion (IMD) less than 0.35%, Damping Factor
(20 Hz to 100 Hz at 8 ohms) more than 5000, Crosstalk (below rated power, 20 Hz
to 1 kHz) more than 80 dB, Common Mode Rejection (CMR) (20 Hz to 1 kHz) more
than 70 dB typical
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General Information |
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Manufacturer |
Crown |
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Manufacturer Part Number |
MA-9000I |
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Product Name |
Macro-Tech 9000i Power Ampliflier |
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Marketing Information |
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The Crown® Macro-Tech® 12000i power
amplifi er shall be a solid-state two-channel model with a switch-mode
universal power supply. The outputs shall be usable as dual or
bridged-mono modes of operation. The bridged-mono mode shall bridge the
outputs to provide increased output voltage. |
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Features |
- Power Rating: 1500W/Channel (8 Ohm
Stereo), 3500W/Channel (4 Ohm Stereo), 4700W/Channel (2 Ohm Stereo,
20ms Burst), 7000W (8 Ohm Bridge), 5600W (4 Ohm Bridge)
- 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
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Specifications |
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Performance |
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Frequency Response (at 1 watt, 20 Hz - 20
kHz into 8 ohms) |
±0.25 dB. |
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Signal to Noise Ratio (below rated
full-bandwidth power, A-weighted) |
> 112 dB. |
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Total Harmonic Distortion (THD) (at 2
watts into 8 ohms) |
< 0.1%. |
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Total Harmonic Distortion (THD) Plus Noise
(at full rated power) |
< 0.35%, 20 Hz to 20 kHz. |
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Intermodulation Distortion (IMD) (60 Hz
and 7 kHz at 4:1, from full rated output to –30 dB): |
< 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) |
> 80 dB. |
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Common Mode Rejection (CMR) (20 Hz to 1
kHz) |
>70 dB typical. |
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DC Output Offset (shorted input) |
< ± 3 mV. |
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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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Network |
Onboard HiQnet™, compatible with standard
100 Mb Ethercon hardware. |
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Load Impedance (Note: Safe with all types
of loads) |
Stereo: 1/2/4/8/16 ohms.
Bridge Mono: 2/4/8 ohms. |
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Input Sensitivity (referenced to 8 ohm
rated output) |
1.4V, 32 dB gain, and 26 dB gain |
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Voltage Gain (referenced to 8 ohm rated
output) |
37.9 dB to 23.0 dB |
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Required AC Mains |
Universal AC input, 100-240VAC, 50/60 Hz
(±10%). Maximum AC mains voltage 264VAC. |
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AC Line Connector |
Five cordsets supplied with amplifi er
(USA, UK, European, Australia, India). |
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Front Panel Controls and Indicators |
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Bridge Mode Indicator |
Amber LED illuminates when the amplifi er
is set to Bridge-Mono mode. |
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Ready Indicator |
Green LED, one per channel.
On (bright): Ready.
On (dim): Onset of compression.
Off: Thermal protection. |
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Signal Indicators |
One green LED per channel.
Solid green: Input signal is above –40 dBu.
Bright green: Channel’s output signal has reached the onset of audible
clipping. |
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Power Indicator |
Blue LED indicates amplifi er has been
turned on and AC power is available. The LED will flash when the AC line
voltage is 10% above or below the nominal rated value. |
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Data Indicator |
Yellow LED on front panel indicates
network data activity. Data indicator fl ashes only when the amplifi er
is polled for data, or is polled to see whether it is online |
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Power Switch |
Push-on/push-off switch with built-in
green AC mains present indicator. |
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Volume Control |
Precision detented attenuator with 31
steps, press-and-hold mute function. |
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Volume Control LED Ring |
A ring of green LEDs around each volume
control show the position of the control. Entire ring fl ashes when
channel is muted. Can be converted to be a level meter. |
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Back Panel Controls, Indicators and
Connectors |
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Power Cord Connector |
Detachable 20 amp IEC inlet. Cord locks
with supplied cord retention clip. Voltage range is indicated above IEC
inlet. |
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Reset Switch/Circuit Breaker |
If the current draw of the amplifi er
exceeds safe limits, this breaker automatically disconnects the power
supply from the AC mains. The switch resets the circuit breaker. |
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Output Connectors |
Two high-current, 50A Neutrik ® Speakon®
NL4MLP (mates with NL4FC or NL4), one per channel. Ch 1 Speakon® is
wired with Ch 1 and Ch 2 outputs for use with single 4-conductor cable.
Two pairs of high-current, 60A color-coded 5-way binding posts (for
banana plugs, spade lugs or bare wire). |
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Analog Input Connectors |
A 3-pin female XLR connector for each
channel. |
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Analog Loop Thru Connectors |
Two male XLR passive analog loop through. |
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Mode Switch/Indicator |
Sets amplifi er to Stereo, Bridge, or
Input Y mode. OFF=Stereo, YEL=Bridge, GRN=Y. |
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Network Connector |
This Neutrik® Ethercon connector accepts
an RJ-45 connector for HiQnet™ networking. Next to the connector is a
yellow LINK ACT indicator that shows network activity, and a green 100Mb
indicator that shows a 100Mb network connection. |
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Data Indicator |
Yellow LED on back panel indicates network
data activity. Data indicator flashes only when the amplifi er is polled
for data, or is polled to see whether it is online. |
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Preset Indicator |
Green/yellow LED fl ashes to signal the
number of the current preset. LED is green if current preset is active,
or is yellow if current preset is modified. |
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Input Sensitivity Switch |
Three-position switch providing 1.4V, 32
dB, and 26 dB settings for both channels. |
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Firmware/Software |
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Software features |
User Presets, Clip Event Monitor, Input
Signal Level Monitor, Output Signal Level Monitor, Thermal Headroom
Level Monitor, Power/Standby Control, Signal Mute, Polarity Inverter,
Input Signal Fader, Dynamic Gain Monitors (Ghost Faders), Amplifi er
Information, User and Channel Labels, Amplifi er Mode, Amplifier Output
Mode, Line Voltage Monitor, Error Reporting, Auto Standby, Input Signal
Compressor/Limiter, Peak Voltage Limiter, Average Power Limiter, Clip
Eliminator, Thermal Limiter, Limiter Tie, Load Supervision. |
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Construction |
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Cooling |
Dual-zone, microprocessor controlled,
continuously variable speed fans, front-to-back airflow. |
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Front Panel |
Cast aluminum with integrated handles. |
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Dimensions |
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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Weight |
28 lbs (12.7 kg) net, 36 lbs (16.3 kg)
shipping. |
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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. |
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Included Accessories |
Rear rack ears, rack screws, operation
manual, power cords, foam air filter. |
A-20110813-1250-130-L
*This item is BRAND NEW -
not refurbished. It comes with all manufacturer supplied accessories, and full
manufacturer's USA warranty.
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