The weirdest accessory I remembering hearing about are ear extensions - like satellite dishes on the side of your head, like one-upping Dr. Spock. There is so much about this hobby to be proud about.
I remember those "ear extensions" you've mentioned. I think they were called "Serious Listeners," and they were made of leather if memory serves. Hey, if you want to try a similar tweak that has an amazing effect and is free, just cup your hands behind your ears while listening. It makes a huge difference!
Actually, putting old speakers at the corners is a well-known tweak. What you need to do is to short the speaker terminals with a wire. Now if you push the woofer with you hand you will feel resistant and it will act like a bass trap.
Brian: I don't think Tweekerman was talking about the Hologram things. He was talking about speakers. I think you are confusing Ben's (of Shakti) explaination of how the Hologram works--"like a speaker due to the amplitude of the wood he's using, which de-localizes the main speakers." That explaination is when the second speaker is active and has nothing to do with what Tweekerman is talking about. Tweekerman's tweak is not so strange. I speaker not hooked up acts as a bass trap capacitor, particularly if it's a sealed enclosure. It can work remarkably well for smoothing out the bass as it absorbs the low frequency and releases it slower and out of phase at a much lower volume than the original. There are some real tricks with placement here and you can actually tune the frequencies that are a problem.
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