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Category: Amplifier

Fezz Audio Alfa Lupi - Stereo Vacuum Tube Amplifier

Key Features

  • Stereo Vacuum Tube Amplification
    Designed to deliver warm, rich, and musical sound with the characteristic tonal qualities of tube amplification.

  • Classic Tube Sound Signature
    Tuned for smooth midrange, natural presence, and a detailed yet relaxed presentation that enhances musical enjoyment.

  • High-Quality Vacuum Tubes
    Uses selected tubes to produce engaging dynamics, harmonic richness, and refined sound texture.

  • Balanced and Unbalanced Inputs
    Provides both XLR (balanced) and RCA (unbalanced) inputs for flexible connectivity with a variety of source components.

  • Dual Chassis Design
    Carefully engineered enclosure minimises vibration and interference, improving overall sonic purity and performance stability.

  • Robust Transformer Architecture
    Precision power and output transformers support clean power delivery, low noise, and strong control over the audio signal.

  • Class A / AB Operation
    Hybrid operating mode blends tube warmth with controlled output for versatile performance with different speaker loads.

  • Independent Left/Right Amplification Paths
    Improves channel separation, imaging accuracy, and overall stereo coherence.

  • Solid Metal Cabinet
    Rigid chassis construction reduces resonance and electromagnetic interference, enhancing long-term reliability.

  • Elegant Industrial Finish
    Classic aesthetic with a quality build that complements high-end audio systems.

  • Audiophile-Oriented Tuning
    Engineered for listeners who prioritise musicality, texture, and expressive sound in audio playback.

Description

Fezz Audio Alfa Lupi – Stereo Vacuum Tube Amplifier

Welcome to the World of Analog from Fezz Audio

Join the Fezz Audio vacuum tube world with the Alfa Lupi. Let yourself be fascinated thanks to its incredible sound presentation. Amazing imaging of the virtual sound sources is one of the main advantages of the Alfa Lupi. A highly engaging presentation of the midrange can create a true spectacle within your listening room. The very essence of this amplifier is pure musical enjoyment.

 

Specifications

Type
stereo vacuum tube amplifier
Max. Output Power
2 x 10W
Circuit Type
Push-pull AB1 Class
Output Impedance
4Ω / 8Ω
Inputs
3x RCA
Harmonic Distortions THD
< 0,3%
Frequency Response
20Hz-120kHz (-3dB)
Power Consumption
90W
AC Fuse
8 amp / 5mm x 20mm / Slow Blow
Net Weight
9.5 kg
Dimensions
340 x 355 x 150 mm
Tubes
PCL86 x4 (power output, pre-amp & drivers)
Bias Adjustment Type
Automatic
Remote Control and Tube Cage Included

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