DIY ‘tube’ amp

Paper Tube Amp
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 Crop
Coconut amp

From the pages of MAKE:
Crackerboxamp09
Cracker Box Amplifier - MAKE: 09: Fringe, Page 104.

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Original post by Collin Cunningham

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