Crown Audio Stereo Amplifier CE 1000 A E User Manual

C E S E R I E S  
CE 1000  
Architectural & Engineering Specifications  
CE 1000 (60-Hz models)  
The power amplifier shall meet or exceed the following performance  
criteria. Input sensitivity for rated output: 26 dB voltage gain (unbalanced).  
Rated FTC output in stereo mode with less than 0.1% THD: 275 watts per  
channel (1 kHz) into 8 ohms. Hum and noise: at least 105 dB (A weighted)  
below full rated output power. Frequency response: 20 Hz to 20 kHz, 0.1  
dB at 1 watt into 8 ohms per channel in stereo mode. Damping factor:  
greater than 400 from 10 to 400 Hz into 8 ohms. Phase response: 15 from  
20 Hz to 20 kHz at 1 watt.  
The Crown® CE 1000 power amplifier shall be a solid-state two-channel  
model.  
The outputs shall be switchable as stereo or bridged-mono modes of  
operation. The bridged-mono mode shall bridge the outputs to provide  
increased output voltage.  
The amplifier shall be safe when driving any kind of load—even highly  
reactive ones.  
The output impedance of each channel shall be less than 10 milliohms in  
series with less than 2 microhenries in stereo mode.  
The power requirements shall be 120 VAC at 60 Hz. At idle, the amplifier  
shall draw 90 watts or less.  
The amplifier shall contain controlled slew-rate voltage circuitry to protect  
it against radio frequency interference burnouts. It shall also be protected  
from current overload at its output stage. The slew rate of the amplifier  
shall be greater than 30 volts per microsecond in stereo mode.  
The amplifier shall have a rugged steel chassis coated with environmentally  
friendly powder.  
The amplifier shall temporarily go into a stand-by mode if its power trans-  
former becomes excessively hot and shall automatically resume normal  
operation once it has cooled to a safe operating temperature.  
The dimensions of the amplifier shall allow for 19 inch (48.3 cm) EIA  
standard (RS-310-B) rack mounting. The amplifier shall be 5.25 inches  
(13.34 cm) tall and 12.25 inches (31.11 cm) deep behind the rack-mount-  
ing surface.  
Front-panel controls shall include an enable on/off switch, a detented input  
level control for each channel and a reset switch.  
The amplifier shall weigh 32.6 pounds (14.79 kg) and shall have a center of  
gravity approximately 6 inches (15.2 cm) behind the front panel.  
Rear-mounted controls shall include an Input Sensitivity switch for each  
channel to select between 1.4 V or a fixed voltage gain of 26 dB for full  
rated output, a Mode switch to select whether the amp is in Bridge Mono  
mode or Stereo mode, and an RJ-11 Fault output connector.  
The amplifier shall be designated the Crown CE 1000.  
Front panel indicators shall include a green Power indicator to show the  
amplifier has power, a red Clip indicator for each channel which shall turn  
on when distortion of any type becomes audible in the amplifier output,  
a red Fault indicator for each channel which will blink under 5 conditions:  
1) When the amplifier is first turned powered up, until the unit is ready for  
operation. 2) If the heatsinks reach a temperature above normal working  
limits. 3) If the transformer thermal protection circuit is activated. 4) If the  
amplifier wires develop a short circuit, and 5) should the amplifier output  
stage become non-operational. There is also a green Signal indicator for  
each channel which shall flash dimly when a low-level signal (> –40 dBm)  
is present at the input of the amplifier.  
Crown International  
1718 W. Mishawaka Rd.  
Elkhart, IN 46517-9439  
TEL: 574-294-8200  
FAX: 574-294-8FAX  
Specifications subject to change without prior notice. Latest  
Crown and Crown Audio are registered trademarks of Crown  
International, Inc. Printed in U.S.A.  
© 2005 Crown Audio®, Inc.  
04/05  
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