Portable Tennis Ball Speaker for Mp3 / Ipod With Amp
In this Instructable you will learn how to make a pair of tennis ball speakers.These are very easy to make, it took me 15 minutes on my first ones.…
posted by mattyuke on Jun 20, 2009
4.38 (3 ratings) views: 17,970comments: 17
How to make a Cheap & Portable Air Conditioner / AC unit
(Sorry about the widescreen issue, trying to fix it now)I created this while playing badminton with my dad outside. It just came to me so here is …
posted by Undergroundoga on May 25, 2009
2.95 (9 ratings) views: 35,613comments: 11
CDV-717 Civil Defense Radiation Survey Meter converted to a portable HIFI amplifier.
I modified the case of a CDV-717 Survey instrument to house a TK2050 class D 100watt/channel amplifier and power supply. I needed something rugged …
posted by tamerofire on Sep 24, 2012
views: 1,242comments: 5
How big a battery for a portable ( bike) sound system?
Have several amps and several speakers... 1 The most modest: a 2.1 computer sound system, probably ca. 5- 10 W RMS, 18 V (I want to connect this…
posted by BobS on May 11, 2011
views: 175answers: 3
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