PrimaLuna Evo 400 Tube Preamplifier

Flagship tube preamplifier performance

The PrimaLuna EVO 400 Preamplifier sits at the top of the EVO preamp range, delivering ultra-low-noise, high-gain tube performance with the refinement serious audiophiles demand. Premium hand-selected tubes, adaptive auto-bias, and meticulous point-to-point wiring work together to preserve microdetail, dynamics, and tonal color.

Built for system flexibility

With a full complement of single-ended and balanced inputs and outputs, the EVO 400 Preamplifier integrates easily into complex two-channel systems. Multiple line-level inputs, a home theater bypass, tape out, and selectable gain settings give listeners the flexibility to tailor the preamp to a wide variety of sources and power amplifiers.

Overbuilt power supply and protection

A robust power supply with toroidal transformer, tube rectification, and high-quality capacitors helps deliver a black background and rock-solid imaging. Comprehensive protection circuitry and PrimaLuna's proven adaptive auto-bias design help ensure long-term reliability and consistent performance from the tube complement.