PrimaLuna EVO400 Integrated amplifier
Dare to Compare
Compare PrimaLuna construction to any other brand, at any price. You’ll be amazed.
A Different Kind of Tube Amplifier
PrimaLuna has pioneered numerous technologies to redefine tube amplification. From increased reliability and tube life all the way to our unique, signature sound.
Incomparable Tube Life
PrimaLuna was founded on the idea of eliminating tube maintenance.
They do this by using a true and sophisticated Adaptive AutoBias system while running tubes at the minimum dissipation (power) and giving more slam and bandwidth through superior output transformer design.
When It Comes to Bass, Power Means Nothing
It seems everybody is looking for better bass.
Especially if they are replacing a tube amp that has no slam, or bass that has poor definition.
So they make the mistake of buying more power.
Unfortunately, power means nothing when it comes to sound quality, dynamics, and bass slam.
An amplifier can have 200 watts per channel, but if it doesn’t have output transformers with enough bandwidth, the speakers won’t receive it.
PrimaLuna is one of only a few manufacturers in the world that actually designs and winds our power and output transformers in-house.
Point to Point Wiring
You spend a lot of money on interconnects.
So why have the signal go right from the RCA jacks or speaker terminals into circuit boards with copper traces so thin you can hardly see them?
What’s high-end about that?
PrimaLuna EVO400 employs Point to Point Wiring on all products.
The entire signal path, including resistors and capacitors, is painstakingly hand wired with heavy-gauge cable by craftsman.
Remote Control Triode/Ultra-Linear switching
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.
No need to get up and stop the music.
Make an instant comparison while you listen and choose what you like best for that song or album.
Adaptive AutoBias™
What most companies call Auto Bias is actually “Cathode Bias”- A commonly used method that is cheap to make, and often found in guitar amps, but also $20,000 high end audio amps.
An amp that has “70 watts” will typically give you only 40 watts with Cathode Bias.
Most of the power goes up in heat through a single huge resistor.
These amps run the tubes very hard. They need to so they can squeeze out the power. That means short tube life and failures via “shorts”.
PrimaLuna EVO400 Adaptive AutoBias is a true, smart technology.
It employs an array of sensors to monitor tubes and make adjustments seamlessly in real time.
Adaptive AutoBias is completely passive and NOT in the signal path.
The result is low to no maintenance, long tube life, and the lowest possible distortion for amazing sound.
PrimaLuna EVO 400 Integrated amplifier specifications
Power
Ultra-linear
70 watts x 2 (EL34)
(8Ω, 1% THD)
Power
Triode
38 watts x 2 (EL34)
(8Ω, 1% THD)
Inputs
5x Stereo RCA
Stereo RCA HT Bypass
Outputs
4 & 8 Ω
RCA Stereo/Mono Subwoofer
Stereo RCA Tape Out
1/4″ Headphone
Freq. Response
7Hz-65kHz +/- 1dB
THD
< 0.1% @ 1W
< 2% @ Rated Power
S/N Ratio
93 dB, 93 dbA
Input Sensitivity
320 mV (EL34)
Input Impedance
100kΩ
Power Consumption
470 watts (EL34)
480 watts (KT88)
540 watts (KT120)
550 watts (KT150)
Standard Tube Complement
6 – 12AU7
8 – EL34
Dimensions (WxHxD)
15.2″ x 8.1″ x 15.9″
Weight
68.2 lbs
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