tweaks

Diamond Light Crystal - A Programmed High Frequency Clarifier, $39 each. Introductory Offer - Buy 2 Get 1 Free! The leaded glass crystal comes with string attached and removeable damage-free plastic hook for wall mounting. The crystal is mounted 7 feet high on the wall behind the speakers near room corner(s), and/or 7 feet high on wall centered between speakers. Customer Comment - "The highs sound better, the lyrics

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I had a reasonably minor but audible hum in my subwoofer, and I noticed it went away when I detached the cable from my TV. The TV power was turned off, as was my receiver. (Not just standby, but off). Nevertheless, there was a ground loop from the cable to my TV to my connecting HDMI cable to my receiver to my ...