M A C R O – T E C H i S E R I E S

Macro-Tech
9000i
Architectural & Engineering Specifi cations

Macro-Tech 9000i The amplifi er shall have the following specifi cations:
® ®
The Crown Macro-Tech 9000i power amplifi er shall be a solid-state two-channel Guaranteed minimum power in watts at 20 Hz-20 kHz with 0.35% THD: 4,570W (20
model with a switch-mode universal power supply. mS burst, 2-ohm dual per ch.), 2,500W (20 Hz-20 kHz, 2-ohm dual per ch.), 2,500W
The outputs shall be usable as dual or bridged-mono modes of operation. The (1 kHz, 2-ohm dual per ch.), 3,000W (4-ohm dual per ch.), 1,500W (8-ohm dual per
bridged-mono mode shall bridge the outputs to provide increased output voltage. ch.), 5,000W (4-ohm bridge), and 6,000W (8-ohm bridge).

Frequency Response (at 1 watt, 20 Hz – 20 kHz into 8 ohms): ±0.25 dB.
Front panel controls and indicators shall include the following:
Bridge Mode Indicator: Amber LED illuminates when the amplifi er is set to Bridge- Signal to Noise Ratio (below rated full-bandwidth power, A-weighted): > 110 dB.
Mono mode. Total Harmonic Distortion (THD) (at 2 watts into 8 ohms): < 0.1%.

Ready Indicator: Green LED, one per channel. Total Harmonic Distortion (THD) Plus Noise (at full rated power): < 0.35%, 20 Hz to
On (bright): Ready. 20 kHz.
On (dim): Onset of compression.
Off: Thermal failure. Intermodulation Distortion (IMD) (60 Hz and 7 kHz at 4:1, from full rated output to
–30 dB): < 0.35%.
Signal Indicators: One green LED per channel.
Damping Factor (20 Hz to 100 Hz at 8 ohms): > 5000.
Solid green: Input signal is above –40 dBu.
Bright green: Channel’s output signal has reached the onset of audible clipping. Crosstalk (below rated power, 20 Hz to 1 kHz): > 80 dB.

Power Indicator: Blue LED indicates amplifi er has been turned on and AC power is Common Mode Rejection (CMR) (20 Hz to 1 kHz): 55 dB, typically >70 dB.
available. The LED will fl ash when the AC line voltage is 10% above or below the DC Output Offset (shorted input): < ± 3 mV.
nominal rated value.
Input Impedance (nominal): 10 kilohms balanced, 5 kilohms unbalanced.
Data Indicator: Yellow LED on front panel indicates network data activity. Data indica-
Maximum Input Level: +20 dBu typical.
tor fl ashes only when the amplifi er is polled for data, or is polled to see whether it is
online Network: Onboard HiQnet, compatible with standard 100 Mb Ethercom hardware.

Power Switch: Push-on/push-off switch with built-in green AC mains present indica- Load Impedance: (Note: Safe with all types of loads)
tor. Stereo: 1/2/4/8/16 ohms.
Volume Control: Precision detented attenuator with 31 steps, press-and-hold mute Bridge Mono: 2/4/8 ohms.

function. Input Sensitivity (referenced to 8 ohm rated output): 1.4V, 32 dB gain, and 26 dB
Volume Control LED Ring: A ring of green LEDs around each volume control show gain.

the position of the control. Entire ring fl ashes when channel is muted. Can be con- Voltage Gain (referenced to 8 ohm rated output): 37.9 dB to 23.0 dB.
verted to be a level meter. Required AC Mains: Universal AC input, 100-240VAC, 50/60 Hz (±10%). Maximum

AC mains voltage 264VAC.
Rear panel controls, indicators and connectors shall include the following: AC Line Connector: Five cordsets supplied with amplifi er (USA, UK, European,
Power Cord Connector: Detachable 20 amp IEC inlet. Cord locks with supplied cord Australia, India).
retention clip. Voltage range is indicated above IEC inlet.
Amplifi er shall be protected against reactive loads, faults and shorts. If one
Reset Switch/Circuit Breaker: If the current draw of the amplifi er exceeds safe limits,
channel experiences a catastrophic failure, the entire amplifi er will shut down.
this breaker automatically disconnects the power supply from the AC mains. The
switch resets the circuit breaker. The front panel shall be cast aluminum, with integrated handles. Cooling shall
® ® be dual-zone, microprocessor controlled, continuously variable speed fans,
Output Connectors: Two high-current, 50A Neutrik Speakon NL4MLP (mates
® front-to-back airfl ow.
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- Dimensions shall be EIA Standard 19-in. rack mount width (EIA RS-310-B), 3.5
coded 5-way binding posts (for banana plugs, spade lugs or bare wire). in. (8.9 cm) high and 16.2 in. (41.1 cm) deep.

Analog Input Connectors: A 3-pin female XLR connector for each channel. Net weight shall be 28 lb (12.7 kg). Shipping weight shall be 36 lb (16.3 kg).

Analog Loop Thru Connectors: Two male XLR passive analog loop through. The amplifi er shall be designated the Crown Macro-Tech 9000i.

Mode Switch/Indicator: Sets amplifi er to Stereo, Bridge, or Input Y mode.
OFF=Stereo, YEL=Bridge, GRN=Y.
®
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 Crown International
connection. 1718 W. Mishawaka Rd.
Elkhart, IN 46517-9439
Data Indicator: Yellow LED on back panel indicates network data activity. Data indica- TEL: 574-294-8200
tor fl ashes only when the amplifi er is polled for data, or is polled to see whether it is FAX: 574-294-8FAX
online. www.crownaudio.com

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 modi-
Specifi cations subject to change without prior notice. Latest information
fi ed.
available at www.crownaudio.com. Crown, Macro-Tech and Crown Audio are
Input Sensitivity Switch: Three-position switch providing 1.4V, 32 dB, and 26 dB registered trademarks; HiQnet is a trademark of Crown International, Inc. Other
settings for both channels. trademarks are the property of their respective owners. Printed in U.S.A.

4/08 140863-1
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Macro-Tech Series

PRODUCT OVERVIEW

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Macro-Tech i Series

PRODUCT OVERVIEW

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