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Dual 505-3 Turntable channel imbalance

Discussion in 'Hi-Fi Stereo Systems & Separates' started by rogerhock, Jul 12, 2004.

  1. rogerhock

    rogerhock
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    Can anybody help or advise with a problem my aged Dual 505-3 turntable has developed? The problem is that of a significant channel imbalance; in order to get a correct stereo image I have crank the balance control a good deal over to the right channel. I'm pretty certain the amp is not at fault - I swapped the left & right phono plugs over and the problem then shifted to the other channel. Likewise, I swapped over the wires on the cartridge and the same thing happened. If my logic is correct this seems to rule out there being a problem with the cartridge itself and the fault must lie elsewhere in the turntable. Any ideas what might be causing this and whether it is (economically) repairable?
    Many thanks!
    Regards,
    Roger
     
  2. Crocodile

    Crocodile
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    From what you describe it sounds as though the problem IS with the cartridge/stylus. If you normally have low output to the right channel & switching the wiring on the cartridge transfers this to the left, then it must be the output from the cartridge that's low. I would suggest a good clean of the cartridge & stylus. If that fails then I guess the next move would be a replacement stylus but from what I remember that's likely to cost almost as much as a cartridge. If you can't justify the expense perhaps a wanted ad in the trading forum will produce a result from someone with a surplus cartridge due to an upgrade?
     
  3. rogerhock

    rogerhock
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    Yes, I believe you are right that the cartridge is the cause (I think my logic was a bit faulty!). Tried giving it a good clean as you suggest, but to no avail. I think I will have to get hold of a replacement.
    Many thanks for your response.
    Roger
     
  4. Crocodile

    Crocodile
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    On reflection, I'm reasonably sure that I still have the original cartridge that came with my 505 Mk II - somewhere! If you want to PM me your details I'll see if I can dig it out. Don't hold your breath though as it could take a while but it should at least be good enough to prove the point.
     
  5. rogerhock

    rogerhock
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    Many thanks for the offer, but I have now obtained a replacement cartridge. The fault clearly was with the old cartridge as everything is now working perfectly! Thanks for the advice.
     

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