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LP player related?

Discussion in 'audio' started by VVV, Apr 10, 2021.

  1. VVV

    VVV Active Member

    I have a question and wondering if I can get your advice.

    I noticed a slight mild electrical shock like sensation when I put my finger onto the tip of the tonearm (the usual tip / spot to lift tonearm up/ down) and this sensation stays when my finger tip is on it with the system powered on.
    I haven’t felt this before.

    Is there something I need to do?
     
  2. chartz

    chartz If it’s broke fix it!

    Put everything on earth.
     
  3. VVV

    VVV Active Member

    I believe everything is on earth.
    Nothing is suspended.
    Sorry, not exactly sure how you mean.
    Thank you for the reply
     
  4. Tony L

    Tony L Administrator

    Sounds like a grounding issue. What is the deck, arm and phono stage?
     
  5. Vinny

    Vinny pfm Member

    If everything on the hifi is earthed, you are charging-up and discharging when you touch anything earthed
     
  6. VVV

    VVV Active Member

    Linn LP 12 with Orthofon black, Project tonearm, power lingo supply, Project phono box s2.
     
  7. Vinny

    Vinny pfm Member

    Change your slippers, carpet, or go barefoot.
     
    Mr Pig, cctaylor and Rob998 like this.
  8. gints

    gints pfm Member

    No, that will be momentary discharge, not continuous.
     
    Vinny likes this.
  9. Vinny

    Vinny pfm Member

    ^^^^^ True, sort of, if everything on the hifi is earthed it will be related to the OP charging.
    There are various mechanisms for the lingering feeling.

    Besides - not wearing slippers for a short period is hardly a big ask!
     
    gints likes this.
  10. gints

    gints pfm Member

    Of course, I have to take off slippers short before touch metal cases or electronic devices to avoid discharge, no problems. OP has something different, I have the same in country house, not big problem, will need to sort out eventually.
     
  11. Tony L

    Tony L Administrator

    Also make sure the phono stage is grounded to the amp if it is the type with a simple plastic wall-wart PSU (i.e. no earth pin). Chances are it is via the interconnects, but worth checking with a meter if you have one. I’m a firm believer in correctly grounding record decks, it really does make a difference.
     
  12. VVV

    VVV Active Member

    I am very amateur.
    How would I check if my system is properly grounded?
     
  13. Vinny

    Vinny pfm Member

    You would need a multimeter of some kind. If you have one it is very simple.

    To check that the problem is not you charging-up, just have bare feet for an hour or so - even simpler.
     
  14. steve1ooo

    steve1ooo pfm Member

    I had the same issue after treating myself to a new chair.
    I get quite shock if I forget to touch the radiator first.
     
  15. VVV

    VVV Active Member

    I was bare feet when I felt it.
     
  16. VVV

    VVV Active Member

    the sensation I felt was continuous sensation of mild discomfort when my finger on it, not a jolt
     
  17. Vinny

    Vinny pfm Member

    Do you have a multimeter?
     
  18. VVV

    VVV Active Member

    Unfortunately, I don’t have one

    I just moved the Project Phono stage away from Linn lingo, haven’t felt the sensation like earlier. It was sitting on top of Lingo power supply. Not sure if this was the cause.
     
  19. linnfomaniac83

    linnfomaniac83 I bet you can’t wheelie a unicycle!

    What part of the country are you in?

    If you’re within a reasonable reach of the West Midlands (I’m Brownhills/Walsall Wood area), I’ll happily help diagnose and resolve your issue. I’m an LP12/Lingo 2 owner (once again )... mine isn’t giving me shocks and I’ve never had shocks off one... I’m wondering if you actually have one of the phases actually shorting to a metal part of the deck... it wouldn’t be enough to give you a big jolt off a Lingo (unlike a basic passive phase shift supply, which would hurt if you came into contact with it), but you’d feel a tingle for sure.
     
    mickyricky likes this.
  20. VVV

    VVV Active Member

    Hello,

    I live in USA.
    I live Linn Lingo 1 I think.
    Thank you !
     
    linnfomaniac83 likes this.

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