The PrimaLuna Evo 100 Tube Stereo Preamplifier in Silver serves as the heart of a purist vacuum tube audio system, blending classic point-to-point wiring with modern engineering. Encased in a hand-rubbed Silver chassis with a dark gray velvet-coat finish, this tube preamplifier utilizes dual 5AR4 vacuum tube rectification alongside 12AX7 and 12AU7 signal tubes. Engineered with custom toroidal power transformers, Takman resistors, and premium Nichicon and DuRond capacitors, it projects a deep, holographic soundstage with exquisite harmonic detail and dead-silent backgrounds.
Key Features & Innovations
Dual 5AR4 Vacuum Tube Rectification — the PrimaLuna Evo 100 Tube Stereo Preamplifier in Silver features dual-mono tube rectification to deliver pure DC power, resulting in ultra-quiet operation and organic musical naturalness.
Point-to-Point Hand-Wired Circuitry — constructed using heavy-gauge, Swiss-made silver-plated oxygen-free copper wire soldered by hand directly to point-to-point terminal strips for long-term reliability and minimal signal degradation.
Custom Toroidal Power Transformers — custom-wound, fully enclosed power transformers radiate low hum and magnetic interference, preserving low-level micro-details in dynamic recordings.
Dedicated Headphone Preamplifier Stage — discrete headphone amplifier driven directly by the vacuum tube gain circuit provides lush, full-bodied sound for high-impedance audiophile headphones.
SmartWatts & SoftStart™ Protection Circuits — protects vacuum tubes from high-current surge during power-up, significantly extending tube life while maintaining consistent operating bias.
FAQ — Evo 100 Preamplifier (Silver)
What vacuum tube complement is used in the PrimaLuna Evo 100 Preamplifier?
The PrimaLuna Evo 100 Tube Stereo Preamplifier in Silver utilizes two 5AR4 rectifier tubes, two 12AX7 input tubes, and two 12AU7 driver/gain tubes.
Does this preamplifier include an integrated phono stage?
No, the stock Evo 100 is a line-level preamplifier. However, PrimaLuna offers an optional internal PhonoLogue MM phono stage board that can be easily installed underneath the chassis.
Can I roll or substitute different vacuum tubes in this unit?
Yes. PrimaLuna's auto-biasing and conservative filament design allow audiophiles to roll compatible 12AX7, 12AU7, and 5AR4 tube variants from different manufacturers without manual bias adjustment.
Is a remote control included?
Yes, it includes a heavy-duty, solid aluminum system remote control that adjusts volume and mute functions.
Why Buy From Us
Authorized PrimaLuna dealer offering 100% factory-authentic tube components with full manufacturer warranty protection
Expert tube audio consultants available to guide amplifier matching, tube rolling, and vinyl source integration
Dedicated post-purchase technical support for vacuum tube setup and system optimization
Fast, secure shipping with protective heavy-duty packaging on every order
Related & System Matches
PrimaLuna Evo 100 / Evo 200 Tube Stereo Power Amplifiers
PrimaLuna PhonoLogue MM Phono Stage Board
High-sensitivity floorstanding and stand-mount loudspeakers
