Electroman49
Just for fun, I wanted to see what my power amp would do with the $1 Hi Def penny speaker. I think I heard it...
Uploaded: November 30, 1999 at 12:00 am
Author: electroman49
Length: 01:16
Rating: 4.81
Views: 13685
Tags: $1 amp amplifier Def Electroman49 Hi high penny powered speaker
This was my first attempt at building a working speaker from scratch. The first voice coil was only 1.2 ohms and it loaded down the...
Uploaded: November 30, 1999 at 12:00 am
Author: electroman49
Length: 07:04
Rating: 4.50
Views: 15800
Tags: $1 amplifier def Electroman49 hi high MP3 player powered speaker
Flashes of light in a quartz crystal, when it is scratched with another stone. Thanks to "frequency" for the idea, and "DarkTemp0" for the explanation....
Uploaded: November 30, 1999 at 12:00 am
Author: electroman49
Length: 01:42
Rating: 4.60
Views: 3602
Tags: crystal effect Electroman49 piezoelectric quartz triboluminescence
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