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Do power cords make an audible difference?

I recently discovered the inexpensive Pangea AC-9 power cord. It was so inexpensive I decided, just for kicks, to buy one for my sacd player and my integrated amp. I was extremely doubtful I would hear any difference at all. I plugged them in, turned on the system and I was surprised. I immediately invited a non-audiophile over for a listen. She had only heard my system for maybe 30 minutes with the old cords and I asked her if she could hear a difference. After listening to only two tracks she said "it sounds more clear". This is exactly what I had thought. I also noticed the sound stage seemed bigger. Now, it's not A huge difference but it is noticeable to the casual observer, so it is significant, which is more than I hoped for.
esmith3671

Showing 2 responses by bigbucks5

bigbucks5
184 posts
 
Do trees falling in a forest make a sound?

Same answer to both questions...Yes, only if there's a person to hear it.
bigbucks5
184 posts
 
09-25-10: Blindjim
Bigbucks

"..tree in the forrest...." Ridiculous.

What if there was a person there but he/she was deaf?

Absolutely there would be a noise. It doesn't matter if the noise or sound is noticed or not.... there's going to be a sound when trees fall in a forest.
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Sound is not the same as a pressure wave. Sound is a perception of the pressure wave. Without perception, there is no sound. If there are no living things in a forest, then a falling tree makes no sound. It may be old, but...

The magazine Scientific American corroborated the technical aspect of this question, while leaving out the philosophic side, a year later on Apr 5, 1884, on page 218 of their magazine when they asked the question slightly reworded, "If a tree were to fall on an uninhabited island, would there be any sound?" And gave a more technical answer, "Sound is vibration, transmitted to our senses through the mechanism of the ear, and recognized as sound only at our nerve centers. The falling of the tree or any other disturbance will produce vibration of the air. If there be no ears to hear, there will be no sound."
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