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Yamaha MX-1 Thread

Discussion in 'Yamaha' started by Bratwurst7s, May 18, 2018.

  1. Bratwurst7s

    Bratwurst7s In The Frying Pan Subscriber

    Messages:
    4,231
    Location:
    Munich, Germany
    Thanks guys!

    Oh. Something that I forgot to mention. The holes where the mounting screws to attach the amp board heat sink rail to the main heat sink measured at 2.5mm, which is the correct hole dia to tap them for M3 machine screws if someone wants to do that job really correctly. But I didn't want to be doing any thread cutting without completely dismounting the rail, hence using sheet-metal screws like Yamaha did.

    Cheers,
    James
     
    Last edited: Jul 15, 2018

     

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  2. Bratwurst7s

    Bratwurst7s In The Frying Pan Subscriber

    Messages:
    4,231
    Location:
    Munich, Germany
    One last small observation. Before I went in and recapped this unit I noticed that it seemed to be running fairly hot after an hour or so of use with moderate volume levels.

    Now that the amp board heat sink rails are more securely attached to the main heat sinks the amp only gets lightly warm even after several hours of spirited use.

    So for anyone else with one of these amps it may pay to check how securely the amp boards are attached to the heat sinks.

    Cheers,
    James
     
  3. bmanone

    bmanone Active Member

    Messages:
    144
    Location:
    Calico Rock, Arkansas
    Very nice work and great photography. Thanks for the guide!
     
    Bratwurst7s likes this.
  4. Bratwurst7s

    Bratwurst7s In The Frying Pan Subscriber

    Messages:
    4,231
    Location:
    Munich, Germany
    Thanks, and you're welcome! :)

    It's a good thing that the camera knows what to do because otherwise I'd be lost. ;)

    Cheers,
    James
     

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