capacitors

  1. J

    Best practice to reform capacitors?

    Just wondering what best practice is to allow capacitors to reform when giving unused/idle amps or receivers some use after a year or two of being idle. Is it enough just to let the unit power up or is it best to actually connect speakers and play some music?
  2. S

    Douk Audio U5 Balanced XLR headphone amp

    This fell into the "Cheap enough, worth a pop" category so decided to get one to play around with. It arrived this morning, no power supply just a USB A to Barrel jack cable and the unit itself, thing is tiny. Got it hooked up to a Topping E50 via XLR and powered at the min with a cheap generic...
  3. I

    Help Creating a Capacitor Check "checklist"

    In the lab I have a small bin of used capacitors which I had been building up for moments when I am in a pinch and its not critical. I am not saving caps with holes or anything :) Sometimes its large caps preservation to match the originals, stuff like that. I was hoping to use these caps...
  4. L

    Repairing a DataVideo TBC-1000 power board

    Hope this isn't too off topic....I have a DataVideo TBC-1000 time base corrector - it is designed to stabilize video from analogue formats for video capture. It's been sitting idle for years. I inspected the internals before powering it on again and noticed the caps on the 'power board' are...
  5. amirm

    Piezoelectric Effect in Capacitors

    This is a buzzword these days in high-end tweaks and products. It is a real effect and worth knowing about it but certainly does not justify the use of the term in our high-end world. From my favorite electronic blogger, Dave Jones:
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