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Audio Research EC-21 // Vintage / Active Electronic Tube Crossover / 30212004

Audio Research EC-21 // Vintage / Active Electronic Tube Crossover / 30212004

The Audio Research EC-21 is a vintage two-way vacuum tube electronic crossover that lets you bi-amp your speakers like it's 1980 all over again. This isn't just a piece of gear; it's a ticket to audio nirvana for those who crave that warm, tube-driven sound.

S/N: 30212004

  • Tested all tubes (Hickok 605a)
  • Cleaned control contacts
  • Verified operation
  • Replaced feet screws
$974.25
Audio Research EC-21 // Vintage / Active Electronic Tube Crossover / 30212004—
$974.25

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The Audio Research EC-21 is a vintage two-way vacuum tube electronic crossover that lets you bi-amp your speakers like it's 1980 all over again. This isn't just a piece of gear; it's a ticket to audio nirvana for those who crave that warm, tube-driven sound.

S/N: 30212004

  • Tested all tubes (Hickok 605a)
  • Cleaned control contacts
  • Verified operation
  • Replaced feet screws
Audio Research EC-21 // Vintage / Active Electronic Tube Crossover / 30212004 | AURAL HiFi