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   rec.audio.tech      Theoretical, factual, and DIY topics in      41,683 messages   

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   Message 40,025 of 41,683   
   David Nebenzahl to All   
   Re: Cracking open a Galaxy Audio PA amp   
   16 Sep 10 15:45:14   
   
   XPost: sci.electronics.repair   
   From: nobody@but.us.chickens   
      
   On 9/16/2010 8:15 AM thanatoid spake thus:   
      
   > David Nebenzahl  wrote in   
   > news:4c91a6a6$0$2405$822641b3@news.adtechcomputers.com:   
   >   
   >    
   >   
   >> Thanks for the first and only really helpful reply in this   
   >> whole damn thread.   
   >>   
   >> You, sir, are a gentleman and a scholar. Sure enough,   
   >> removing the nut from the phone jack allowed the whole unit   
   >> to slip rather easily out of the case (I used a heavy knife   
   >> blade betwixt the case and chassis to start it).   
   >   
   > WHAT? You did NOT do that when you removed all the screws? I   
   > have not been reading the thread carefully ever since you   
   > ignored my request for a photograph, but DUUH!   
   >   
   >> The amp appears to be fine; there's either a problem with   
   >> the XLR mike input jack, or with the mike cable we were   
   >> using. (Can't test because I have no XLR plugs.)   
   >   
   > WHERE are you (as in, forest, garage with NO tools, an audio   
   > shop run by Scientologists who believe the e-meter is the only   
   > piece of electronic test equipment anyone needs) ????????   
   >   
   > SIGH.   
   >   
   > BTW, I have learned over the last 4 decades that it's ALWAYS the   
   > cable (and if it's not, you **still** test any cables FIRST   
   > before you do ANYTHING, including attempting to open an audio   
   > box [when you should let your friends open your canned food for   
   > you] let alone flooding an NG with clueless posts for a week),   
   > and /had/ you posted like a person with a clue, I would have   
   > told you to try another cable - I know you don't have one, BUY   
   > one!   
      
   Look, you little fuck (and keep in mind that *you* were the first one in   
   this thread to use profanity): let me explain my situation for your   
   little pea-brain to understand.   
      
   I am not a professional electronics repairperson. I don't maintain a   
   repair shop, nor solicit repairs. This is why I own no XLR connectors:   
   normally I have absolutely no need for such things. I have no sound   
   equipment, microphones, etc. This one just landed in my lap. I used to   
   be in a band, the leader of which just recently died, and when we tried   
   to use this amp at a gig, it failed. I offered to diagnose it and   
   determine what was wrong with it.   
      
   I'm 99.99% sure that the problem is outboard of the jack connections on   
   the amp simply by doing the "touch the input connection and listen for   
   hum" test. The amp responded admirably well to this test, so I'm certain   
   it works. The problem, then, is obviously either the jack on the amp or   
   somewhere in the microphone cable being used. There wasn't enough time   
   to get another cable and test it.   
      
   So if you want to continue to berate me for some perceived slight   
   against the propriety of this newsgroup, which after all is supposed to   
   be a source of information for people seeking such, well then, go right   
   ahead and be my guest.   
      
      
   --   
   The fashion in killing has an insouciant, flirty style this spring,   
   with the flaunting of well-defined muscle, wrapped in flags.   
      
   - Comment from an article on Antiwar.com (http://antiwar.com)   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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