Fezz Audio Lybra Tube Amplifier
Best tube amplifier for audiophiles seeking rich, warm, and immersive sound.
This amplifier brings the legendary, liquid warmth of 300B tubes to a wider range of speakers thanks to its clever parallel design. You trade the delicate, low-power limitations of traditional single-ended setups for a more robust, dynamic sound that doesn't sacrifice that signature harmonic richness.
$6995.00
at
Moon Audio
More Lybra options
Who it's for
- Music lovers craving a spacious, three-dimensional soundstage
- Audiophiles seeking rich, emotionally resonant tube-driven sound
- Design-conscious listeners wanting a striking, elegant centerpiece
Who should skip it
- Owners of low-sensitivity speakers requiring high power
- Budget-focused buyers wary of recurring tube maintenance costs
- Users with limited space or poor ventilation options
Performance breakdown
Sonic Warmth
The 300B tubes deliver that signature lush, liquid midrange magic.
Build Integrity
Heavy-duty chassis and anti-vibration feet ensure a rock-solid, resonance-free foundation.
Maintenance Ease
Automatic bias module removes the headache of manual tube calibration.
Speaker Versatility
Parallel configuration provides enough drive for a wide range of loudspeakers.
Signal Purity
Integrated ground switch effectively eliminates unwanted hum for a silent background.
Frequency Extension
Impressive bandwidth captures deep lows and airy, detailed high-frequency transients.
Key Specs
Model
Lybra
Dimensions
420 x 380 x 226 mm
Net Weight
23.5 kg
Type
Stereo Vacuum Tube Amplifier
Circuit Type
PSE Parallel Single Ended
Tubes
4x 300B, 2x 6SN7, 1x 12AX7, Autobias
Max. Output Power
2 x 15W
Output Impedance
4Ω / 8Ω
Inputs
3 x RCA
Harmonic Distortion (THD)
<0.25%
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