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 ...

If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design ... ECL82 is used as a pre-amplifier for ...

When it comes to listening on the best headphones, many hi-fi fans swear by the power of tubes. Amplifiers that use vacuum tubes instead of – or alongside – solid-state electronics are ...