The theme of tube sound is currently mainly gossip and fairy tales. The miraculous excitement at the supernatural level of human perception is not discussed here. There are also no comments on the connection cables made of oxygen-free copper or pure silver for several hundred dollars - such cases are simply a waste of money.
However, this phenomenon of tube sound exists in nature and has had an impact on me every day for several years: At home, three devices coexist peacefully and complement each other. Each device implements its concept in different ways. You can see how they are arranged inside.
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