With the wealth of cheap and highly integrated audio amplifier modules ... We may have seen other homemade vacuum tubes before — we even recently featured a DIY X-ray tube — but there ...

Make a portable audio simple amplifier. Homemade amplifier for speakers White House forces out CEO of passenger railroad Amtrak Study shows how long Social Security, $1.5M nest egg would last in ...

It is a doubly wondrous day indeed when an electric guitar-inclined maker realizes they can make their own ... basswood planks into pieces of the amp before gluing them together — sizing ...