PrimaLuna EVO 400 Power Amplifier


EVO 400 Power Amplifier. PrimaLuna engineers wanted to make owning a tube amp so simple you would have no excuse not to have your tube dreams come true

PrimaLuna EVO 400 Power Amplifier

The new Reference power amplifier by PrimaLuna.


Do you have some classic rock albums you used to love so much that have now ended up left on the shelf, un-played for years?

How about jazz or classical recordings from the 60’s? Every audiophile has albums that they used to play, but stopped because they are harsh, brittle, or bright. There is a solution.

Triode and Single Ended Triode (SET) amps are popular for their warmer, fuller, and easy to settle into sound. But triode amps have limitations! Ultra-linear has more extension on the top and bottom, not to mention greater power. They have greater “pop” with a bigger difference between light and dark, and loud and soft. Having triode only is VERY limiting.

The best option is to have both triode and ultra-linear.

PrimaLuna engineers in Holland designed an ingenious circuit that lets you change from triode to ultra-linear with a push of a button on the supplied remote control.

Make an instant comparison while you listen and choose what you like best for that song or album


PrimaLuna engineers wanted to make owning a tube amp so simple you would have no excuse not to have your tube dreams come true.

If a tube fails, Adaptive AutoBias will instantly put the amplifier into protection mode so no parts can get damaged.

A red LED will light up in front of the tube that needs replacing. Simply plug in another tube, and listen. No guesswork. No smoking amp. No getting out the soldering iron or dropping your amp off at UPS.


It’s as simple as flipping a switch, and PrimaLuna EVO Poweramps instantly switch from stereo to monoblock operation!

Buy one, and as your budget grows your system can grow too.

The benefit of monoblock operation is the amp now has dual output transformers for the best coupling with your speakers, and the addition of a 2-ohm speaker tap added to the 4 and 8-ohm taps.

EVO 400 Power Amplifier Specifications

Power: Stereo
70 watts x 2 (EL34)
(8Ω, 1% THD)
Power: Stereo
38 watts x 2 (EL34)
(8Ω, 1% THD)
Power: Mono
140 watts (EL34)
(8Ω, 1% THD)
Power: Mono
82 watts (EL34)
(8Ω, 1% THD)
Inputs 1x Stereo RCA
1x Stereo XLR
Outputs 4, 8, & 16 Ω (stereo)
2, 4, & 8 Ω (mono)
Freq. Response 9Hz-60kHz +/- 1dB
8Hz-70kHz +/- 3dB
THD < 0.1% @ 1W
< 2% @ Rated Power
S/N Ratio 95 dB, 105 dBA
Input Sensitivity 1100 mV
Input Impedance 100kΩ
Power Consumption 470 watts (EL34)
Standard Tube Complement 6 – 12AU7,
8 – EL34
Dimensions (WxHxD) 15.2″ x 8″ x 15.9″
Weight 30.9Kg

Additional information


Black, Silver



PrimaLuna The driving force behind PrimaLuna is one of high-end audio’s most astute and colorful figures, Herman van den Dungen. It’s been said that many successful, creative people “march to the beat of a different drummer,” but it’s the ability to get others to hear your tune and march with you that distinguishes the most accomplished. Van den Dungen is undoubtedly one of them. With a reputation of gathering the best talent for his projects, the widely-known, Dutch-born entrepreneur in 1998 launched the well-valued AH! Njoe Tjoeb CD player to critical acclaim in Europe. A year later, seeking to expand sales in the United States, he forged a relationship with Kevin Deal. A dynamic, high-end dealer with sufficient capital to import the product, Deal also possessed a characteristic Herman found invaluable—decades of experience in tubes with an intimate knowledge of their ups and downs as they relate to the consumer. The two immediately hit it off, sharing the philosophy of providing an exceptional, reliable product at a great price and delivering incomparable after-sales service.


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