Speaking of charm, we just love the amp these tubes went into ... We may have seen other homemade vacuum tubes before — we even recently featured a DIY X-ray tube — but there’s something ...

Relying on the incisive application of an X-Acto knife, [Olson] made swift work cutting some basswood planks into pieces of the amp before gluing them together — sizing it to be only just bigger ...

Make a portable audio simple amplifier. Homemade amplifier for speakers Jim Carrey says he’s come out of retirement as he ‘needs the money’ The world's longest living car engines New details ...

How to Make a Speaker Amplifier from Cardboard for Phone Tribe becomes 1st in US history to pass unprecedented constitutional amendment: 'It is our responsibility to protect her' 17 Incredible All ...