Article: Vacuum tubes glow anew // Audiophiles find midrange magic in old technology

Vacuum tubes are back.

Bathing the world of audio in their warm, golden glow, tubes are the oldest Big Thing to come along in years. If this progressing-by-regressing trend continues, pretty soon we'll be using tin-can telephones to call in reservations for the Flat Earth Society seminar "Columbus: Visionary or Nutcase?"

As our computers get faster and cellular phones get smaller, electronic advancements march onward. Nonetheless, the increasing foothold of this 50-year-old technology is genuine. Growing numbers of audiophiles are voting with their pocketbooks, taking "totally tubular" out of Valspeak and putting it into the audio lexicon. There are two basic types of amplifier: solid ...

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