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Prior to Bell Labs’ first working transistor in 1947, which ushered in the advent of semiconductor technology and the computer age, every long-distance telephone call, radio and television broadcast, ...

What Is a Tube Amplifier? Tube amps are made using vacuum tubes, which were invented in 1925. Using a glass bulb akin to a light bulb, tube amps take a weak signal and amplify it several times through ...

There’s a mystique among both audiophiles and musicians about vacuum technology, thus having a tube amp still carries a bit of a cachet. New ones can be bought for eye-watering prices and old ones can ...

Zzzzapp! This week I got shocked pretty good. Looking forward to talking about that. But first, let’s wrap up this little tube series we’ve been on for the last several weeks. Tube amplifiers, and ...

Earlier in the month, [Elliot Williams] quipped that it had been far too long since we saw a VFD-based amplifier build. Well, that dry spell is over. This week, [kodera2t] started showing off his ...

When you buy through our links, we may earn an affiliate commission. With all the modern amplifier and effects technology available today, there's still something to be said for the classic sound you ...