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About johnnybon

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  1. I had the same problem with my 3 XLS-402D's last year. You need to call crown and get an RA# to send them in for service. Took about 2 weeks but they fixed the problem
  2. The 402A has 1 speakon, no mono switch. The 402B has 2 speakons, no mono switch. the 402D has 2 speakons with a mono switch. There is no 402C.
  3. I had this problem with my 3 402D's. I had to send it it for service. Problem is now fixed. Total process takes about 2 weeks.
  4. Check the Stereo/Mono switch in the back.
  5. This question is for Dave. How do the varible speed fans work. Is the first speed one fan on slow or 2 fans on slow, and how many speeds are there.
  6. I just got a NEW 402D, through my dealer,in cooperation with Mr. David Glass from CROWN. I just tried it out. Here's what it is doing. If I power down, with the gain up in the 9 o'clock position, I get the thump. If I turn the gain all the way OFF, or down, I am not getting any thump at all. My previous problematic unit was giving me the thump no matter where the gain was. Up,down, it was always thumping. This NEW unit seems to be ok so far. I haven't had a chance to really push some signal through it yet. I guess that will be the test.If you have concerns about your unit, don't hesitate to call Mr. Glass and talk with him. He is very helpful! You could also check on Crown's main website for a service center near you. That may be an option. If you do take it to a service center, be sure to print out this entire dialog and show it to them. The more information that they have about the problem, the easier it will be for them to diagnose the problem. It kind of appears that there may be some kind of issue with either the design of this amp, or the internal components. I'll post any more "findings" on this new unit as soon as I put it through a "real world" test this weekend. 3851[/snapback] Wow this really worries me as I have been talking to crown support and they have told me that this problem was limited to only the first couple of hundred amps that were shipped. When I turn down my gains there is no thump but with the gains turned up I do get a thump. I'm running 3 402D's with one 402B in my home theater. The 402B does not have this problem at all as I can shut it off with the gains turned up with no thump. Can someone at Crown please let me know if this problem can be fixed (Turning off the amp with the gains turned up and not getting a thud in the speakers) or is it just the way it is. I don't mine sending out the 402D's for repair/replacement if it indeed can be fixed.
  7. I have the new XLS-402D. These new amps have variable speed fans with 3 speeds. Speed#1= one fan on slow (If you use only channel 1) Speed#2= both fans on slow (when both channels are used) Speed#3= both fan on high (In home theater use this speed has not happened, even when pushed hard)
  8. I just purchased 3 XLS-402D's to add to my existing 402B and I am also getting a loud pop on shutdown of the 402D amps. At first I thought I blew my speakers it was so loud. Now upon shut down I have to turn the gains all the way down before shutting the amp off. This seems to help somewhat helpful but still I get a small pop upon shutdown. If this is a defect please let me know. I would be a great inconvience to ship out three amps for repair.