PrimaLuna
EVO 400 Preamplifier
Introduced 2019$4,995 MSRP
The PrimaLuna EVO 400 is a dual-mono tube line stage preamplifier built by Durob Audio, featuring point-to-point wiring, premium passive parts, and a fully balanced-capable signal path. It uses a tube rectifier power supply and an ALPS Blue Velvet volume potentiometer to deliver a refined, low-noise tube sound.
MSRP
$4,995
Used market · Excellent
$3,300est.
-34% vs MSRP
as of Aug 17, 2026MSRP to used market
From $4,995 at launch to $3,300 today (estimated).
Specifications
- THD
- <0.5% @ 2V
- Gain
- 10dB
- Inputs
- 3x stereo RCA, 2x stereo XLR, 1x home theater bypass
- Weight
- 52.8 lbs
- Outputs
- Stereo RCA, XLR, RCA tape out
- Topology
- dual-mono, 6x 12AU7, 2x 5AR4 tube rectification, point-to-point wired
- Dimensions
- 15.2"W x 8.1"H x 15.9"D
- Tube complement
- 6x 12AU7, 2x 5AR4 rectifiers
- Output impedance
- 256Ω
- Power consumption
- 61W
- Frequency response
- 10Hz–95kHz, ±1dB
- Signal to noise ratio
- 93dB / 98dBA
- Input sensitivity impedance
- 650mV / 220kΩ
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