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[GRADE A] AUNE S17 PRO Discrete Class A Balanced Headphone Amplifier / Preamplifier 7500mW @32Ω Black
Refurbished HiFi Devices
Reference 21055
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Refurbished product - Grade AWith its S17 Pro, Aune unveils a powerful 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 Class A amplification stage features a pair of JFET transistors for the headphone outputs, plus two AOPs per output for a total of 16 AOPs. Powerful, the S17 Pro is capable of driving any type of headphone on the market, from 32Ω to 600Ω impedance.
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Ce qu'il fait
Refurbished product - Grade A
Cardboard packaging box torn.
AUNE S17 PRO
Discrete Class A Balanced Headphone Amplifier / Preamplifier 7500mW @32Ω Black
With its S17 Pro, Aune unveils a powerful 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 Class A amplification stage features a pair of JFET transistors for the headphone outputs, plus two AOPs per output for a total of 16 AOPs. It also features an R2R volume control and an attractive color display on the front panel. Inputs include stereo RCA and balanced stereo XLR. Powerful, the S17 Pro is capable of driving any type of headphone on the market, from 32Ω to 600Ω impedance.
A powerful amplifier stage
The Aune S17 Pro's amplification stage is made up of TWIN JFETs, ideal for headphone amplification. In addition, each output channel incorporates 2 pairs of transistors, giving a total of 16 transistors. This Class A headphone amplifier also features two levels of current adjustment: 50mA and 100mA per JFET. Overall, the sound of the Aune S17 Pro is warm and detailed, with performance reaching a very low level of distortion.
R2R volume control
A R2R JRC volume control chip is integrated into the Aune 17 Pro to achieve a high level of precision and a wide soundstage.
Two gain levels to drive all types of headphones
The S17 Pro can drive headphones with impedances ranging from 32 to 600 ohms. Output power can reach up to 7.5W to drive the most demanding headphones.
Efficient heat dissipation and clean power supply
A three-dimensional structure consisting of internal heat sinks, an imposing plate and the chassis forms a highly efficient complete cooling system guaranteeing the stability of the Class A amplifier stage. A 50W toroidal transformer coupled to 19200uF array capacitors feeds the digital and analog sections independently to limit any interference on the analog section. These features enable the S17 Pro to be powerful while delivering a rich, clear sound.
Color display
A handsome display on the front of the Aune S17 Pro provides information on current, temperature, output type and volume level.
Overview of the Aune S17 Pro headphone amplifier
| 1 | XLR 4-pin balanced headphone output |
| 2 | 6.35mm headphone output |
| 3 | Balanced 4.4mm headphone output |
| 4 | IR reception |
| 5 | Display |
| 6 | Power LED indication |
| 7 | Multifunction button |
| 8 | RCA stereo input |
| 9 | XLR stereo balanced input |
| 10 | RCA stereo line output |
| 11 | XLR stereo balanced line output |
| 12 | Power switch / IEC power socket |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Headphone amplifier Preamplifier |
| Inputs | 1x Stereo RCA input 1x Balanced stereo XLR input |
| Outputs | 1x 6.35mm jack headphone output 1x Balanced 4.4mm jack headphone output 1x XLR 4-pin balanced headphone output 1x RCA line output 1x XLR line output |
| INPUT/OUTPUT IMPEDANCE | |
|---|---|
| RCA input impedance | 10KΩ |
| RCA output impedance | 200Ω |
| XLR input impedance | 22KΩ |
| XLR output impedance | 100Ω |
| Headphone output impedance | 1Ω |
| 6.35MM Jack HEADPHONE OUTPUT | |
|---|---|
| Frequency response | 20Hz - 80kHz (+/- 5dB) |
| THD+N | < 0.00038% @1kHz |
| SNR | > 115dB @600Ω |
| Crosstalk | < -105dB @1kHz 600Ω |
| BALANCED XLR HEADPHONE OUTPUT | |
|---|---|
| Frequency response | 20Hz - 80kHz (+/- 5dB) |
| THD+N | < 0.00016% @1kHz |
| SNR | > 116dB @600Ω |
| Crosstalk | < -110dB @1kHz 600Ω |
| GAIN-RELATED OUTPUT POWER | |
|---|---|
| G-L 6.35mm jack headphone output (Low Gain) | |
| 738mW @ 32Ω | |
| 250mW @ 100Ω | |
| 166mW @ 150Ω | |
| 100mW @ 250Ω | |
| 83mW @ 300Ω | |
| 53mW @ 470Ω | |
| 41mW @ 600Ω | |
| G-L Balanced headphone output (Low Gain) | |
| 2773mW @ 32Ω | |
| 968mW @ 100Ω | |
| 645mW @ 150Ω | |
| 388mW @ 250Ω | |
| 333mW @ 300Ω | |
| 212mW @ 470Ω | |
| 166mW @ 600Ω | |
| G-H 6.35mm jack headphone output (High Gain) | |
| 2020mW @ 32Ω | |
| 675mW @ 100Ω | |
| 453mW @ 150Ω | |
| 273mW @ 250Ω | |
| 228mW @ 300Ω | |
| 145mW @ 470Ω | |
| 114mW @ 600Ω | |
| G-H Balanced headphone output (High Gain) | |
| 7507mW @ 32Ω | |
| 2643mW @ 100Ω | |
| 1793mW @ 150Ω | |
| 1089mW @ 250Ω | |
| 908mW @ 300Ω | |
| 580mW @ 470Ω | |
| 453mW @ 600Ω | |
| General | |
|---|---|
| Dimensions | 211 x 288 x 63mm |
| Color | Black |
| Package | 1x Aune S17 Pro headphone amplifier/preamplifier Black 1x Power cable 1x Remote control (CR1220 battery not included) |
Data sheet
| Condition | Refurbished |
|---|---|
| EAN13 | 6974802511412 |
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