Fezz Luna integrated tube amplifier
Fezz Audio Luna is a modern integrated tube amplifier that combines the legendary warmth and musicality of EL34 output tubes with contemporary engineering. Featuring selectable Ultralinear and Triode modes, modular expansion capability, HT and Sub Out connectivity, plus automatic bias adjustment, Luna delivers classic tube performance with outstanding flexibility and everyday usability.
Experience the Timeless Character of Tube Sound
Fezz Audio Luna is an integrated vacuum tube amplifier designed to combine the emotional character of classic tube amplification with the convenience and flexibility expected from a modern Hi-Fi component. Built around the renowned EL34 output tubes, Luna delivers a rich, engaging and natural musical presentation for every listening session.
Handcrafted in Europe and featuring Fezz Audio's Toroidy-manufactured toroidal transformers, Luna is engineered to provide outstanding reliability, performance and long-term listening satisfaction.
Choose the Sound That Matches Your Music
Luna allows users to switch between Ultralinear and Triode operating modes. Ultralinear mode offers greater output power and dynamics, while Triode mode delivers an even warmer, smoother and more intimate listening experience.
This flexibility allows the amplifier to adapt to different loudspeakers, room acoustics and personal listening preferences.
Premium Tube Circuit Design
The amplifier is equipped with four EL34 output tubes and three 12AX7 tubes, a classic configuration appreciated for its musicality, detailed midrange and natural tonal balance.
An integrated Auto Bias system continuously maintains optimal operating conditions for the output tubes, eliminating the need for manual bias adjustment.
Designed to Grow with Your Audio System
Luna supports optional expansion modules, allowing users to extend its functionality as their system evolves. The amplifier also includes HT input integration for home theatre systems and a dedicated Sub Out connection for powered subwoofers.
Elegant Design with Everyday Convenience
The minimalist chassis, precision craftsmanship and premium finish make Luna a perfect addition to modern and classic interiors alike. A protective tube cage is supplied for additional safety, while the included remote control provides convenient everyday operation.
Key Features
- Integrated tube amplifier
- 4 × EL34 output tubes
- 3 × 12AX7 preamp tubes
- Selectable Ultralinear and Triode modes
- Auto Bias system
- Toroidal output transformers manufactured by Toroidy
- Optional expansion module support
- Home Theatre (HT) input
- Sub Out connection
- Remote control included
- Protective tube cage included
Data sheet
- Lempinis
| Model | Luna |
| Max. Output Power | 40 W (Ultralinear) / 20 W (Triode) |
| Circuit Type | AB |
| Output Impedance | 4 Ω / 8 Ω |
| Inputs | 3 × RCA + 1 × DIRECT |
| Total Harmonic Distortion (THD) | <0.05% (1 kHz at full power) |
| Frequency Response | 16 Hz – 115 kHz |
| Power Consumption | 170 W (at idle); 250 W (at full power) |
| Net Weight | 20 kg |
| Dimensions | 354 × 420 × 235 mm |
| Tubes | 4 × EL34 + 3 × 12AX7 |
| Bias Adjustment Type | Auto |
| Options Included | Sub-Out, IR Remote Control, Tube Cage |






