Theta Intrepid humming

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KrazyMofo24
KrazyMofo24 Posts: 1,210
in Electronics
I’m hoping someone may know some things to try before I store it away.

It’s a 5 channel amp I purchased a few years ago. It’s been fine this whole time but I moved it to the bedroom and I guess it didn’t like it.

Currently 4 out of 5 channels are buzzing/humming. My last attempt it made a huge sound and hurt my ear.

I’ve tried switching rca cables, unplugging all other devices. It does this without anything plugged in but the speakers. I tried multiple outlets and the one it was working previously.

Just wanted to run it by you guys.
Setup:

2 Channel: Vienna Acoustics Mozart Grand, T+A P 1230R, Primare SPA21, Oppo BDP-105
PC: Vienna Acoustics Haydn Grand, Cambridge Azure 650A v2 , Peachtree iDAC, Denon DVD-3800BDCI

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  • invalid
    invalid Posts: 1,559
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    Sounds like a bad filter capacitor, if it's doing that even in the previous outlet you were using.
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  • KrazyMofo24
    KrazyMofo24 Posts: 1,210
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    Thanks for the help on this. I’m going to try replacing the fuse. I pulled it out and it just all white so couldn’t see if it was busted or not.

    I emailed support and they said it needs to be serviced. Doesn’t hurt to try the fuse.
    Setup:

    2 Channel: Vienna Acoustics Mozart Grand, T+A P 1230R, Primare SPA21, Oppo BDP-105
    PC: Vienna Acoustics Haydn Grand, Cambridge Azure 650A v2 , Peachtree iDAC, Denon DVD-3800BDCI

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  • treitz3
    treitz3 Posts: 20,359
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    If the fuse is blown, there is a reason that it blew. Best to have it serviced first and have them replace the fuse. You don't want to compound the issue and create yet another possible issue.

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • invalid
    invalid Posts: 1,559
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    Do not power up the amplifier until it's been serviced!
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  • KrazyMofo24
    KrazyMofo24 Posts: 1,210
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    Thanks never had anything serviced do you know about what’s typical on the cost?

    Setup:

    2 Channel: Vienna Acoustics Mozart Grand, T+A P 1230R, Primare SPA21, Oppo BDP-105
    PC: Vienna Acoustics Haydn Grand, Cambridge Azure 650A v2 , Peachtree iDAC, Denon DVD-3800BDCI

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