PrimaLuna Evo 400 Tube Preamplifier

PrimaLuna Evo 400 Tube Preamplifier

$5,995.00
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Overview

The PrimaLuna EVO 400 Tube Preamplifier is the flagship linestage in the EVO series, designed for listeners who want maximum transparency, dynamics, and tonal richness from their sources. A refined tube complement and adaptive auto-bias technology help maintain optimal operating conditions and long-term reliability without user intervention. With multiple RCA and XLR inputs and outputs, home theater bypass, and a robust power supply, it serves as the control center for top-tier two-channel systems. Low noise, wide bandwidth, and excellent channel separation make it an ideal partner for high-resolution sources and reference-grade power amplifiers.

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.

Details & Specs

ModelPrimaLuna EVO 400 Tube Preamplifier
Inputs5 x RCA line-level, 1 x HT bypass (RCA), 1 x XLR
Outputs2 x RCA, 1 x XLR, 1 x tape out (RCA)
Tube complement6 x 12AU7, 2 x 5AR4
THD< 0.1%
Frequency response10Hz – 65kHz +/- 1dB
Gain10dB
Input impedance100kΩ
Output impedance256Ω
Signal-to-noise ratio93dB
Power consumption105W
Dimensions (W x H x D)15.9" x 8.1" x 16.1" (approx. 404 x 206 x 409 mm)
Weight52.9 lbs (approx. 24.0 kg)

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