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 Post subject: System Hum
PostPosted: Nov Fri 15, 2019 5:09 pm 
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Joined: Jul Sat 15, 2006 3:54 am
Posts: 3758
Location: Zeeland MI
I have a Garrard RC-210 changer that I run though either my Heathkit EA-3, or Knight Kit amp. There is the typical low level hum with either amp. My question is, what is a good way to cut that down? These older changers don't have a separate ground lead. Should I attach a wire to the base and then connect to a screw on the amp?
RW

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 Post subject: Re: System Hum
PostPosted: Nov Sat 16, 2019 1:28 am 
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Joined: Nov Wed 27, 2013 5:59 am
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Location: Metzger Oregon
I, too, have a Garrard RC-210 and I believe it does have a ground wire, though honestly it's been a long time since I have used it, and I can't say for sure. My dad bought this changer new, so if there is a ground wire it has been there since the 60s.


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 Post subject: Re: System Hum
PostPosted: Nov Sat 16, 2019 1:30 am 
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Joined: May Wed 16, 2012 6:58 pm
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Location: Eastlake, Michigan
Can't hurt. Just run a wire from the changer chassis to a ground screw on the amp.


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 Post subject: Re: System Hum
PostPosted: Nov Sat 16, 2019 1:52 am 
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Location: Zeeland MI
Alright. As I thought. Thanks.
RW

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