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  1. Opus111

    Measurements on amplifiers with speakers and cables connected

    It seems a not very well known fact that when a speaker is connected to an amplifier the distortion increases. This being due to the speaker presenting a non-linear load to the amp. Here's an article which includes several FFTs demonstrating the kind of distortion increase that occurs with...
  2. Opus111

    Testing new delete function

    OK here is a test post to see if I can zap other posts beneath
  3. Opus111

    A brief history of audio DACs

    (This is going to be a fairly long post so I'll write a little bit at a time - adding updates when I've done some more research. Please do leave constructive comments in the thread for how you'd like to see it develop.) DACs in audio applications really hit their stride when the CD was...
  4. Opus111

    What is 'incompetent digital' ?

    Ethan recently deployed the phrase 'competent digital is audibly transparent' so what are members ideas on how to spot incompetent (i.e. not transparent) digital? Does incompetent digital have any defining traits? I'll kick off by pointing out a couple of things I see as incompetent in much...
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