Feliks Audio Euforia EVO – High-End OTL Tube Headphone Amplifier
The Feliks Audio Euforia EVO is a premium OTL (Output Transformerless) tube headphone amplifier, expertly handcrafted in Poland. Designed for audiophiles who seek pure, transparent sound with the natural warmth of tubes, the EVO builds on the success of the original Euforia with improved components, enhanced dynamics, and refined aesthetics.
Sound & Performance
The Euforia EVO is known for its effortless detail, wide soundstage, and exceptional tonal balance. Its OTL design delivers fast transients, a spacious presentation, and deep emotional engagement—especially with high-impedance dynamic headphones. It retains the organic midrange and airy highs that make tube amps so appealing, without excessive warmth or coloration.
Design & Build
Elegant and robust, the EVO features a brushed aluminium chassis with real walnut wood accents. Internally, it is carefully point-to-point wired, with premium components selected for sonic transparency and longevity.
Who It’s For
Audiophiles using high-impedance headphones (e.g. Sennheiser HD800S, ZMF, Beyerdynamic T1)
Tube amp enthusiasts looking for the purity of an OTL design
Listeners seeking a hand-built, musical amplifier with refined aesthetics and versatile performance
The Feliks Audio Euforia EVO offers a sophisticated take on OTL amplification—blending tube warmth with detailed neutrality. With its elegant design, handcrafted construction, and exceptional synergy with high-impedance headphones, it’s a top-tier headphone amplifier for discerning audiophiles in South Africa.
Feliks Audio Euforia EVO
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Output Transformerless (OTL) Class A topology for ultra-linear response
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Matched PSVANE CV181-TII driver tubes and 6N13S power tubes
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Dedicated headphone output impedance switch (low/high) for flexible pairing
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Balanced (XLR) and unbalanced (RCA) inputs
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Premium internal wiring and upgraded capacitors for better clarity and control
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6.3 mm single-ended headphone output
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Improved power filtering for quieter background and greater dynamic range
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Handcrafted chassis with anodised aluminium and a walnut wood front panel
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Built in Poland, tuned by ear for musical accuracy and long listening comfort
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