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: 892comments: 5
Portable Party Toque with Built in Amplifier and Visualization LED
Make a toque with a built in amplifier and LED organ for keeping warm and heating things up. Get the party started and make yours today! Let me be…
posted by fjordcarver on Dec 11, 2011
4.19 (2 ratings) views: 3,247comments: 10
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: 13,441comments: 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: 26,168comments: 11
Suitcase Turntable (With built in amp and pre amp)
Hey everybody! Please bear with me as this is my first instructable. I apologize in advance for not taking enough photos as I was building it, but …
posted by ctx1985 on Mar 14, 2013
views: 1,430comments: 4
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: 164answers: 3
how would i make a computer's internal speaker portable?
ive seen a ton of ibles on how to make a portable speaker out of desktop speakers, but ive never seen how to do that with the ones inside the comp…
posted by fishinigami on Dec 23, 2010
views: 577answers: 9
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