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Systemdek IIX TT low frequency hum

I was wondering if anyone has any advice how I might solve my low frequency hum problem. There is a low hum audible when I cue the arm and when the music get reall quiet or between track. I have tube pre amp with a MM phono section. I am using a Denon 103D MC cartridge with a Denon transformer. Systemdek IIX TT. I have moved the transformer around, does not help. I have made sure everything is tight on the the TT, etc.
jbaussie

Showing 1 response by simon74

simon74
216 posts
 
Hi Jbaussie,
Sounds like an earthing problem with your deck/tonearm - it's 20 years since I had a systemdek & don't know the earthing arrangemnet with your model.

Try taping a thin gauge piece of insulated wire from the base of your tone arm to the earthing post on your amp/phono stage.
If this cures the problem, scrape some paint from the underside of the tonearm base & solder the wire to it - wind it around your tone arm signal cables & solder a lug/spade to the amp end & connect.
Rgds Si
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