Feliks Audio Euforia EVO Tube Headphone Amplifier

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The newest production run of Feliks' hand-built amplifiers 

The ultimate achievement in OTL technology.  This tube amp is a perfect match with dynamic headphones and most planars. XLR and RCA outputs. Smooth, neutral and dynamic: UPOCC wiring, premium components, point to point design.


  • Impedance: 100 k ohm
  • Frequency response: 7 Hz – 80 Khz +/- 3 dB (300 ohm)
  • Power output: 280mW
  • Amplification level: 20dB
  • THD: 0.4 % (300 ohm, 20 mW)
  • Optimal headphones impedance: 32 – 600 ohm including planar magnetics
  • Headphones output: Jack 6.3mm


  • Matched pair of driver tubes PsVane CV-181 Mk2 “Gold”
  • Matched pair of power tubes 6N13S (NOS)
  • AC cord
  • User Manual
  • Warranty Card

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