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Johor, Malaysia.

Crown Audio Power Amplifier CE1000

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Crown Audio Power Amplifier CE1000 Clown Audio Power Amplifier Power Amplfier


560W @ 2-ohm stereo (per channel)
450W @ 4-ohm stereo (per channel)
275W @ 8-ohm stereo (per channel)
1100W @ 4-ohm bridge mono
900W @ 8-ohm bridge mono

Load Impedance: Safe with all types of loads. Rated for 4 and 8 ohms in Stereo mode, 4 ohms in Bridge-Mono mode

Voltage Gain to 1-kHz, 8-ohm rated output, 
CE 1000: 30.5-dB gain at 1.4-volt sensitivity; 26-dB gain at 2.34-volt sensitivity

CE 2000: 32.1-dB gain at 1.4-volt sensitivity; 26-dB gain at 2.83-volt sensitivity

Required AC Mains: 50/60 Hz (North American units are 60 Hz only); 100, 120 and 230-240 VAC (+/-10%) units are available

AC Line Current,
100 Volts: 11.4 A;
120 Volts: 9.5 A;
230-240 Volts: 5.0 A;
At Idle: All amps draw no more than 90 watts
AC Line Connector: NEMA 5-15P (15 A)

Performance:
Frequency Response: +/-0.2 dB from 20 Hz to 25 kHz at 1 watt
Phase Response: +/-15 degrees from 20 Hz to 20 kHz at 1 watt

Signal-to-Noise Ratio, A-Weighted: Better than 105 dB below rated 1-kHz power; 20 Hz to 20 kHz: Better than 100 dB below rated 1-kHz power

Total Harmonic Distortion (THD): 1-kHz rated power, 0.5% or less true THD from 20 Hz to 20 kHz

Intermodulation Distortion (IMD): (60 Hz and 7 kHz at 4:1) Less than 0.1% at rated power to 35 dB below rated power at 8 ohms

Damping Factor: Greater than 400 from 10 Hz to 400 Hz

Crosstalk: Better than 55 dB below rated power, 20 Hz to 20 kHz

Common Mode Rejection (CMR): Better than 70 dB from 20 Hz to 1 kHz

DC Output Offset (Shorted Input): +/-10 mV

Controls
Level: A detented rotary level control for each channel located on the front panel.

Power: An on/off rocker switch located on the front panel.

Mode: Turn power off before switching. A 2-position switch located on the back panel below the input connectors which, when turned to stereo, operates the amplifier as 2 independent channels. When "Bridge-Mono" mode is selected, the amplifier bridges the 2 output channels for twice the output voltage.

Sensitivity: A 2-position switch located on the back panel next to the Mode switch. Switchable between 1.4 volts for full output into an 8-ohm load (default setting), or a fixed voltage gain of 26 dB.

Indicators
Signal: A green LED for each channel which flashes when a very low-level signal (>40 dBm) is present at input. May be used for troubleshooting cable runs.

Clip: A red LED for each channel which turns on when distortion becomes audible in the amplifier output.

Fault: Normally off, this red indicator will blink under 5 different conditions:
When the amplifier is first powered up, until the unit is ready for operation. If the heatsinks reach a temperature above normal working limits. If the transformer thermal protection circuit is activated. If amplifier output wires develop a short-circuit. Should the amplifier output stage become non-operational. This circuit may be monitored remotely by plugging a simple switching circuit using an LED or other signaling device into the back-panel RJ-11 (Fault) jack. Under some conditions, the output of the amplifier will be muted.

Power: A green LED that turns on when the amplifier has been turned on and has power

Input/Output
Input:
Input Connector (standard module): One Neutrik Combo connector for each channel which features a balanced 1/4 in. (6.35-mm) phone jack and a 3-pin female XLR connector, in parallel with a barrier strip termination

Input Stage: Input is electronically balanced and employs precision 1% resistors

Input Impedance: Nominally 20 k ohms, balanced. Nominally 10 k ohms, unbalanced

Input Sensitivity: 1.4 volts for standard 1-kHz power, or fixed 26-dB gain. 0.775-volt sensitivity available (call Crown Technical Support)

Output:
Output Connectors: 2 Neutrik Speakon NL4MP (mates with NL4FC) output connectors. Optional 5-way binding post or barrier strip outputs in parallel with Speakon connectors

DC Output Offset: +/-10 millivolts

Output Signal, Stereo: Unbalanced, 2-channel; Bridge-Mono: Balanced, single-channel. Channel 1 controls are active; Channel 2 should be turned down

Other Specifications and Features
Protection: CE Series amplifiers are protected against shorted, open, or mismatched loads; overloaded power supplies; excessive temperature, chain destruction phenomena, input overload damage, and high-frequency blowups. They also protect loudspeakers from input/output DC, large or dangerous DC offsets, and turn-on/turn-off transients.

Construction: Rugged steel chassis is formed into a durable package any stagehand could love. Coated with environmentally friendly powder for long life and ease of maintenance.

Cooling: Proportional speed fan

Dimensions: EIA Standard 19 in. rack mount width (EIA RS-310-B), 5.25 in. (13.34cm) height and 12.25 in. (31.11cm) depth behind front mounting surface

Weight: The CE 1000 weighs 32.6 lbs. (14.79 kg). The CE 2000 weighs 40.3 pounds (18.28 kg). For shipping weight, add 6 lbs. (2.7 kg) to each amp.
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