Feliks Audio

Euforia 20th Anniversary (ex-demo)

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Ex-demo in excellent condition and with original box and tubes. 


  • 100% pure single crystal copper wiring
  • Higher grade internals such as ClarityCap capacitors
  • A new shielded and ultra-low-noise transformer
  • New constant current source modules
  • A high-gloss space grey finish

Euforia is Feliks' flagship headphone amplifier launched in 2017. A beautifully handcrafted OTL, built around two 6SN7 and two 6AS7G tubes, it delivers amazing dynamism, sound stage. Euforia's unique design allows for exceptional sound quality with a broad range of headphones, powerful enough to drive even demanding low impedance headphones (<32 ohm) including planar magnetics.


  • Unrivaled neutrality and soundstage
  • Incredibly detailed and dynamic presentation
  • Cross-Feed circuit - a revolutionary solution in tube amplifiers
  • Virtually no background noise
  • Beautifully hand-crafted
  • Broad frequency response: 8 Hz – 75 kHz +/- 3 dB
  • Premium driver tubes
  • Improved noise reduction circuit
  • High-end class power transformer
  • 100% pure silver signal wiring in Teflon jacket
  • Heavy duty Teflon gold-plated tube sockets
  • High quality Mundorf and Nichicon capacitors
  • Dale and Caddock resistors
  • Preamp safety circuit
  • Gold plated RCA inputs
  • Extended 3-year warranty


    • Input impedance: 100 kOhm
    • Frequency response: 8 Hz - 75 kHz +/- 3 dB (300 ohm)
    • Power output: 250mW
    • THD: 0.4 % (300 ohm, 20 mW)
    • Tube complement: Premium PsVane CV-181 Mk2 “Gold”
    • Headphone output: 6.3 mm
    • Dimensions (DWH): 11.6" x 8" x 6.5" (310x205x175 mm)
    • Weight: 6.0 kg


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


    Euforia 20th Anniversary (ex-demo)
    Euforia 20th Anniversary (ex-demo)
    Euforia 20th Anniversary (ex-demo)
    Euforia 20th Anniversary (ex-demo)
    Euforia 20th Anniversary (ex-demo)
    Euforia 20th Anniversary (ex-demo)
    Euforia 20th Anniversary (ex-demo)

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