http://urlmarker.com/ Recent bookmarks posted to URLMarker 60 http://blog.makezine.com/archive/2008/05/diy_tube_amp.html?CMP=OTC-0D6B48984890 From the MAKE Flickr photo pool Smadin made use of an old liquor bottle tube as an amplifier enclosure for the Ruby circuit - BalvenAmp on Flickr Related: Coconut amp From the pages of MAKE: Cracker Box Amplifier -... killbox2006 Fri, 30 May 2008 15:33:31 +0000 amplifier diy projects fun recycling tube