20 Most Recent Crown XTi 4000 Amplifier Questions & Answers


Power supply likely failed. Electrolytics are the primary culprit.
It should have a switchmode power supply, so it is lmost likely the 5 volt section failed.

Crown XTi 4000... | Answered on Apr 18, 2016


The fuses are on the inside

Crown XTi 4000... | Answered on Apr 18, 2016


Schematics are easy to find, just enter: schematic crown it4000 in the Google search engine. I cannot find any semantic

Crown XTi 4000... | Answered on Nov 27, 2014


the other is defective?

Crown XTi 4000... | Answered on Nov 25, 2014


details? what is short1?

Crown XTi 4000... | Answered on Nov 25, 2014


the fans on these amps are heat sensitive, only when the amp heats up, then they come on

Crown XTi 4000... | Answered on Jun 25, 2013


If you're using a microphone it's feedback, duh.
How to Eliminate Feedback
http://www.mediacollege.com/audio/howto/feedback.html

Crown XTi 4000... | Answered on Sep 14, 2011


Hiya, to unlock press PREV and NEXT until it says unlocked.

The short 1 sounds a little serious though. Have you tried taking off the speakers?? If still there then suggest contacting crown. They have a pretty good no nonsense 3 year warranty

Best of luck

Crown XTi 4000... | Answered on Feb 06, 2011

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