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Audio and Video Talk
Vinyl
The dreaded stubborn hum
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<blockquote data-quote="alternativeroute" data-source="post: 71417" data-attributes="member: 1115"><p>This is what I suspect might be the case. I need to take the tone arm off and give it a complete service as the coupling rubbers are also shot.</p><p></p><p>I have another that I am in the process of rewiring... Once that one is done I can put it on the table and see what gives...</p><p></p><p>What I am trying to get my head around is why the motor unit should ever be earthed. Surely there is never an electrical connection between the motor board and the amplifier. So why then would an earth connection be necessary...</p></blockquote><p></p>
[QUOTE="alternativeroute, post: 71417, member: 1115"] This is what I suspect might be the case. I need to take the tone arm off and give it a complete service as the coupling rubbers are also shot. I have another that I am in the process of rewiring... Once that one is done I can put it on the table and see what gives... What I am trying to get my head around is why the motor unit should ever be earthed. Surely there is never an electrical connection between the motor board and the amplifier. So why then would an earth connection be necessary... [/QUOTE]
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Audio and Video Talk
Vinyl
The dreaded stubborn hum
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