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intermittent "crackle" (every 20mins or so)


Steff

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(not sure this is the correct forum section, apologies if not)

 

Hi all,

the stereo system experiences a crackle sound every 20 minutes or so.

The crackle is not v. loud, and not a buzz, more like a *clrck*

 

Might be the fridge?

Is it damaging the stereo gear?

For now I've ordered a Thor 4way filtered board as first remediation attempt

The system is currently connected through a Belkin surge protector board

 

Is there more I can/should do?

 

Thanks,

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54 minutes ago, Steff said:

(not sure this is the correct forum section, apologies if not)

 

I think you chose well, Steff!  :thumb:

 

54 minutes ago, Steff said:

Hi all,

the stereo system experiences a crackle sound every 20 minutes or so.

The crackle is not v. loud, and not a buzz, more like a *click*

 

Might be the fridge?

 

Yes, could be.  I heard a similar noise through my spkrs when I first fired up my system in this - then new - house.

 

The fix was easy - I put one of my hash filters between the fridge and its wall socket ... that stopped the interference which the fridge was making from going back into the mains and affecting the hifi.

 

See here:

 

873990396_Hashblok-1.thumb.jpg.88cc51298f4e55a29bd46bc5d47972b7.jpg

 

2007613096_Hashblok-12.jpg.e8e552869c21edc8c120ae71db77f1be.jpg

 

 

54 minutes ago, Steff said:

Is it damaging the stereo gear?

 

No - it's just annoying!  :(

 

54 minutes ago, Steff said:

For now I've ordered a Thor 4way filtered board as first remediation attempt

 

It might do the trick.  But it's better to put the noise-killer on the item causing the noise.  :)

 

So I would suggest plugging the fridge into your new Thor 4-way filtered board, rather than using it for your system.

 

54 minutes ago, Steff said:

The system is currently connected through a Belkin surge protector board

 

Is there more I can/should do?

 

Thanks,

 

As you're in Melbourne, if the Thor board doesn't fix the noise ... you might like to borrow one of my hash filters to try?

 

Andy

 

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1 minute ago, andyr said:

As you're in Melbourne, if the Thor board doesn't fix the noise ... you might like to borrow one of my hash filters to try?

 

Andy

 

 

Thank you Andy, that's very generous, I will get back to you if the Thor doesn't fix things.

The google results for "hash filter" are what you would expect 🙃

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Haha - haven't tried ... but I can imagine.  :classic_laugh:

 

This is what it is - 'xept it needs to be put in a box, with IEC and mains out sockets, to make it safe:

 

876004699_Schaffner1aFilter.jpg.0c8510f83509a65de10f5f9b75a674d2.jpg

 

 

That's one for a max 1a draw - ie. <240w device.  Mine was only a bar fridge - so was <240w.  If your fridge is bigger ... it will need the next size up - which is a 6a hash filter.  (Still fits in the same-sized case!)

 

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