Instructables: question - audio - featured Thu, 18 Jan 2018 14:05:31 PST BLOX v1.01 Battery run bluetooth class d amp - help me fix the noise problem. torclausen Hello, I am designing a small bluetooth battery powered portable speaker enclosure/boombox. At the core of this design is a cctv li-ion battery that has 12v and 5v USB output ports. Its a great start to a boombox, or at least I thought it was. From that battery, I am powering two things. A parts ...
By: torclausen

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Sat, 24 Mar 2012 17:57:49 PDT
How can I open the earphones of the Sony NWZ S639F mp3 player to replace its cable? Is there a non-destructive way? J. Raff These are normal headphones (not those with active noise reduction). I think they are used in many Sony walkmen. The cable is just too tiny -- I want to replace it with a stronger one.
By: J. Raff

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Tue, 30 Jun 2009 13:19:05 PDT