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  1. sam

    Can you really hear the sound details over 20kHz?

    I have been listening to music really really long time and I think I can notice the difference between crappy mp3 and good lossless source. But I can never say that the ultrasonic frequencies affects my listening. There's whole lot of expensive high tech stuff that can extend the frequencies...
  2. sam

    What's relay delay for?

    In some teardowns by Amir or in external sites, I have seen lots of relays used as time delay purposes. They are all used for the AC power input, but I'm not sure what this is for. Is it something like the soft start feature of some DCDC converters?
  3. sam

    Thing about cables and filters

    I know that the most of the members here laughs first when you hear about the golden cable and the miracle filters. But other than the box like this, most of the other products at least use something gold this and capacitor that. This came up to my mind and was thinking that the measurements...
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