Question about Crown CE2000 2-Channel Amplifier

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Crown CE1000 and CE2000 both clipping with low signals

I have a CE1000 and CE2000 about 5 years old. Within a week I had both start clipping and shutting down with fairly low input signals. In the 2 cases the speakers, board and cables were different. In both cases it happened after a few hours of use. While the clipping occurred (and before they shut down) the horns were splattering really bad. Fans seem to work.

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For some reason channel one of one of our amps started clipping. i first noticed it with the drum kit but it slowly moved to the vocals as well. i haven't noticed this issue before today. what do i need to adjust to keep it from clipping?

Posted on Aug 28, 2010

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Posted on Jan 02, 2017

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1 Answer

Clip light will go on then goes off


The problem sounds like a dead short issue and the amp is in protection. Check cabling to make sure there are no crossed wires. You can also check by swapping channel 1 and 2 inputs and outs to see if the amplifier passes signal on the bad channel.Also could be an amplifier channel failure if it does not. Have serviced by an autorized service center.

Sep 08, 2012 | Crown CE2000 2-Channel Amplifier

2 Answers

Clip led


That particular channel is blown. These are not the easiest units to repair. Given that this is a commercial amp, I would recommend that this unit be brought to an authorized Crown service center for repair. Expect parts cost in the $50 range plus the labor charge.
Dan

Apr 07, 2008 | Crown CE1000 2-Channel Amplifier

1 Answer

Is the fan on a Crown CE1000 to run all the time or only when the amp is under a load and requires cooling? It seems that the fans try to run while on. Almost, as if, the cooling fan is polarized.


The fan speed is dependent on the surrounding temperature.
It may be the temperature is just beneath the fan stalling speed
You can test this by heating up the amp a bit.

Dec 23, 2010 | Crown CE2000 2-Channel Amplifier

1 Answer

The clip light turn on with low music, what the wrong with that?


it could be you are missing 1 side of the supply which would cause the output to be low but the clip light to come on

May 17, 2010 | Crown CE2000 2-Channel Amplifier

1 Answer

CROWN CE1000- slips into fault immediately after connection


if ur output power amp is defective u will have that problem - meaning the moment u connect load across it it will go into circuit protection to limit/stop excessive output current. make sure the speaker terminals are connected to +/- output terminals. in bridge mode use only channel 1 and that too with 4 ohms speaker only otherwise amp will clip. considering all connections are okay if it still clips when speaker is connected, u have a faulty power amp section. this the way ur amp is designed

Apr 05, 2010 | Crown CE1000 2-Channel Amplifier

1 Answer

I request a schematic diagram of crown power amp CE2000 2-Channel


The surface mount ic= MC33079D , 14 pin quad low noise op amp is likely at fault, IF the amp is NOT showing a fault light. A LM324D surface mount will
also work in a pinch. It's located on the input pcb attached to the input jacks.

Jan 19, 2010 | Crown CE2000 2-Channel Amplifier

2 Answers

Crown CE1000


Hi Rodman55

If it is surface mount technology(device) resistors you require, they are available most everywhere electronics parts are sold. What values do you need.
You can get them direct world wide from Farnell Electronics But it may be a little work to sort the one you need. Best measure it up and go by dimensions to pin down the specific one you need. Good luck

regards
Graeme

Apr 09, 2008 | Crown CE2000 2-Channel Amplifier

2 Answers

CE2000


clipping as indicated by its light? if so then you have overdriven your output. i dont know about Crown their protection but normally such indication you have problem with either your load speakers maybe shorted but still audible or maybe your input stage overdriven also.

redrivera

Mar 17, 2008 | Crown CE2000 2-Channel Amplifier

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