Comments on Profile Post by rhythmdevils

  1. rhythmdevils
    The ebay seller of the tubes just wrote me this:

    If the tube has static it means there's debris on the cathode or plate... This is EXTREMELY common as tubes start to burn the minute they are powered up and sometimes this debris can get lodged on a cathode causing static, popping, hissing or other annoying noises... Now you know why they invented transistors...
    Jun 30, 2022
  2. rhythmdevils
    Take the tube and holding it upright tap the center pin firmly on a hard surface, you can also tap the tube with a pencil while listening at a low level... The purpose is to dislodge the debris...
    Jun 30, 2022
    nishan99 likes this.
  3. rhythmdevils
    Don't worry, tubes are pretty tough so you're not going to hurt it... I just had this happen with one of my ECC32's in my system and luckily tapping the center pin firmly dislodged the debris... ALL tubes have debris in them so you never want to turn them upside down deliberately... Of course during shipping all sorts of stuff gets shaken up...
    Jun 30, 2022
  4. purr1n
    Give it 8 hours for occasional pops to go away, especially if tubes have not been used in a while. Otherwise static on tubes usually means bad tube.
    Jun 30, 2022
    Cryptowolf, Qildail, Lyander and 3 others like this.
  5. Slade01
    Just to add that also cleaning the pins (and depending on tube type - resoldering the pin connectors) also help mitigate the static/noise.
    Jul 1, 2022
    rhythmdevils likes this.
  6. nishan99
    I too tap on my tubes to get rid of static. If you have some nails you can tap with your fingers :D
    Jul 1, 2022
    Cryptowolf likes this.
  7. YMO
    When my chest hair touches the tube
    Jul 1, 2022
    Boops, Qildail and rhythmdevils like this.
  8. Gazny
    Jul 1, 2022
  9. Azimuth
    Usually when it is starting to die.
    Jul 1, 2022