AUNE S17 PRO EVO Headphone Amplifier / Preamplifier Black

With its S17 Pro EVO, Aune unveils a powerful Class A headphone amplifier that can also be used as a preamplifier in a Hi-Fi installation. This headphone amplifier features discrete components and balanced outputs. Its final output stage uses two pairs of transistors in parallel, and the unit totals 16 output transistors. It also incorporates an R2R volume control and an attractive color display on the front panel.

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Aune S17 Pro EVO Discrete Class A Balanced Headphone Amplifier / Preamplifier 7500mW 32Ω Black

Aune S17 Pro EVO: Front view


With its S17 Pro EVO, Aune unveils a powerful Class A headphone amplifier that can also be used as a preamplifier in a Hi-Fi installation. This headphone amplifier features discrete components and balanced outputs. Its final output stage uses two pairs of transistors in parallel, and the unit totals 16 output transistors. It also incorporates an R2R volume control and an attractive color display on the front panel. Inputs include single-ended RCA and balanced XLR. Powerful, the S17 Pro EVO can drive all types of headphones, from 32Ω to 600Ω impedance. The EVO version of the S17 Pro adds to all this independent volume management between its line and headphone outputs, as well as improved temperature management for more efficient cooling.

Aune S17 Pro EVO: Summary of functions

Aune S17 Pro EVO: Powerful amplification stage

The amplification stage of the Aune S17 Pro Evo is based on TWIN JFETs, ideal for headphone amplification. Each output channel incorporates two pairs of transistors, for a total of 16 output transistors. This Class A headphone amplifier also offers two levels of current adjustment: 50mA and 100mA per JFET. The Aune S17 Pro stands out for its warm, detailed sound reproduction, while delivering outstanding performance with a very low level of distortion.

Aune S17 Pro EVO: amplifier stage

Aune S17 Pro EVO: R2R volume control

A R2R JRC volume control chip is integrated into the Aune 17 Pro Evo to achieve a high level of precision and a wide soundstage.

Aune S17 Pro EVO: R2R volume control

Aune S17 Pro EVO: Two gain levels to handle all types of headphones

The S17 Pro Evo is capable of driving headphones with impedances ranging from 32Ω to 600Ω. Output power can reach up to 7.5W to drive the most demanding headphones.

Aune S17 Pro EVO: Amplifier with headphones

Aune S17 Pro EVO: Efficient heat dissipation and clean power supply

A three-dimensional structure consisting of internal radiators, a massive plate and the chassis forms a complete and efficient cooling system, guaranteeing the stability of the Class A amplifier stage. A 50W toroidal transformer, combined with 19200µF array capacitors, feeds the digital and analog sections independently, minimizing potential interference on the analog section. These features enable the S17 Pro Evo to deliver high power output with rich, clear sound.

Aune S17 Pro EVO: power supply stage

Aune S17 Pro EVO: Color display

A beautiful display on the front of the Aune S17 Pro Evo, showing current and temperature information as well as output type and volume level, enhances the device.

Aune S17 Pro EVO: color display

Aune S17 Pro EVO overview

Aune S17 Pro EVO: diagram
1XLR 4-pin balanced headphone output
2Jack 6.35mm single-ended headphone output
3Jack 4.4mm balanced headphone output
4IR receiver
5Screen
6Multifunction button
7Single-ended RCA input
8Balanced XLR input
 9Single-ended RCA line output
10Balanced XLR line output
11Power switch / Power supply input

Technical characteristics

Specifications
Product typeHeadphone amplifier
Preamplifier
Inputs1x Single-ended stereo RCA
1x Balanced stereo XLR
Sorties1x Single-ended jack 6.35mm headphone output
1x Balanced jack 4.4mm headphone output
1x Balanced XLR 4-pin headphone output
1x Single-ended RCA line output
1x Balanced XLR line output
Input/Output impedance
RCA input impedance10kΩ
RCA output impedance200Ω
XLR input impedance10kΩ
XLR output impedance100Ω
Headphone output impedance
Single-ended Jack 6.35mm headphone output measurements
Frequency response20Hz~80kHz (±0.05dB)
THD+N< 0.0003% @ 1kHz
SNR> 115dB @ 600Ω
Crosstalk-105dB @ 1kHz, 600Ω
Balanced XLR headphone output measurements
Frequency response20Hz~80kHz (±0.05dB)
THD+N< 0.00016% @1kHz
SNR> 116dB @ 600Ω
Crosstalk< -110db @ 1khz, 600Ω
Output power vs. gain
Jack 6.35mm headphone output (Low gain)738mW @ 32Ω
266mW @ 100Ω
177mW @ 150Ω
133mW @ 200Ω
106mW @ 250Ω
88mW @ 300Ω
56mW @ 470Ω
44mW @ 600Ω
Balanced headphone output (Low gain)2880mW @ 32Ω
1764mW @ 55Ω
765mW @ 90Ω
1000mW @ 100Ω
694mW @ 150Ω
520mW @ 200Ω
416mW @ 250Ω
347mW @ 300Ω
221mW @ 470Ω
173mW @ 600Ω
Jack 6.35mm headphone output (High gain)2050mW @ 32Ω
688mW @ 100Ω
464mW @ 150Ω
348mW @ 200Ω
282mW @ 250Ω
235mW @ 300Ω
150mW @ 470Ω
117mW @ 600Ω
Balanced headphone output (High gain)7500mW @ 32Ω
4654mW @ 55Ω
2970mW @ 90Ω
2673mW @ 100Ω
1837mW @ 150Ω
1378mW @ 200Ω
1102mW @ 250Ω
918mW @ 300Ω
586mW @ 470Ω
459mW @ 600Ω
General
Dimensions288 x 211 x 63mm
ColorBlack
Package1x Aune S17 Pro EVO
1x Remote control
1x Power cable
1x Jack 6.35mm to Jack 3.5mm adapter
 
Data sheet
InputRCA
InputXLR
OutputXLR
OutputJack 4.4mm
OutputRCA
OutputJack 6.35mm
ColorBlack
ClassClass A / AB
Remote ControlYes
 
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Average votes
5.0 / 5
2 reviews
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 5/5
Date :
Une main de fer dans un gant de velours !
Cet amplificateur est puissant, il devrait alimenter sans problème la majorité des casques, même ceux gourmands.
Pur classe A, comme mon Singxer Sa1, il est plus chaud, dans tous les sens du terme... la chaleur dégagée par cette ampli m'inquiète sur son espérance de vie, et son utilisation en été ?
Mon Singxer SA1 est un peu moins bon, mais pas ridicule, et surtout il ne chauffe pas autant.
La fonction permettant de modifier le courant "50mA ou 100mA" n'est pas toujours facile à entendre, selon le casque, et d'après mon expérience, il faut attendre quelques secondes pour l'entendre... ce qui ne facilite pas les tests. Je laisse à 100Ma pendant l'écoute, et bascule à 50Ma lorsque je pose le casque pour quelques minutes/heures, ainsi il redescend en température (Max 55 degrés après 3H avec 21 degrés dans la pièce).
Belle finition, mais bouton de volume peu précis, et toucher/feeling bas de gamme, c'est vraiment dommage.
J'utilise la télécommande pour régler le volume, plus précis, et plus agréable que ce bouton, point faible de cet ampli.
Si vous avez le budget, très bon ampli, sinon pour 50% du prix, le singxer SA1 est très sympa aussi, et il chauffe beaucoup moins.
A l'heure ou j'écris ce commentaire, un kit vendu sur ce site permet de bénéficier du casque Audio Aune AR5000 pour un prix très sympa, je ne l'avais pas vu avant...
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This review has been posted for AUNE S17 PRO EVO Discrete Class A Balanced Headphone Amplifier Preamplifier 7500mW 32Ω Black
Note :
 5/5
Date :
Cet ampli va réveiller vos casques !
Vous trouvez votre association casque/source molle, sans vie, avec un son plat...et bien cet ampli a la particularité de ramener à la vie et de magnifier n'importe quel casque ou intra pas sensible.
C'est une claque monumentale pour moi, peut-être l'effet whaou de la nouveauté mais après une semaine, c'est le pied!
Une scène 3D fabuleuse, une extension abyssale dans les basses et des aigus soyeux pas agressifs.
Mes casques sont Hifiman HE1000 Stealth et Meze Empyrean OG
Relié en XLR à un dac Eversolo Z8.
En courant bas, il plafonne à 52° et monte à 61° en haut au bout de 2h. (Température ambiante de 21°)
Cet ampli est vraiment le meilleur parmi tout ceux que j'ai eu. Je le recommande à 200%.
Audiophonics toujours au top!
 (0)
 (0)
This review has been posted for AUNE S17 PRO EVO Discrete Class A Balanced Headphone Amplifier Preamplifier 7500mW 32Ω Black
 
AUNE S17 PRO EVO Discrete Class A Balanced Headphone Amplifier Preamplifier 7500mW 32Ω Black
With its S17 Pro EVO, Aune unveils a powerful Class A headphone amplifier that can also be used as a preamplifier in a Hi-Fi installation. This...

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