Got talented hi-fi components but your system just doesn’t sing? This could be why…

You did everything properly when buying your system. You read products reviews and made a shortlist, visited your local dealer to listen to your options and bought the kit you liked the most. It’s all come home and been connected with care, and yet something isn’t right: your system doesn’t quite sing as you think it should and you start to wonder whether all the effort and expense have been worthwhile.
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https://www.whathifi.com/advice/things-that-make-your-hi-fi-system-sound-bad-and-how-to-improve-them