1. Бүтээгдэхүүн дууссанview
The Aune S9c Pro is a high-fidelity Digital-to-Analog Converter (DAC) with an integrated headphone amplifier, designed to deliver exceptional audio performance for PC, speaker, and home audio systems. It incorporates advanced technologies such as a 10MHz clock input, dual DAC chips operating in clock sync mode, and a fully-discrete amplifier with Twin JFETs, ensuring pure, detailed, and powerful sound reproduction.

Figure 1: Aune S9c Pro DAC with Headphone Ampөргөгч болон алсын удирдлага.
Гол онцлогууд нь:
- 2nd Generation PLL Core & 10MHz Clock Input: Ensures ultra-low jitter and natural, vivid sound.
- Onboard-IIS Differential Isolation Transmission Technology: Provides clean and interference-free signal transmission.
- Dual ES9068 DAC Chips: Work in clock synchronization mode for optimized performance.
- Fully-Discrete Amplifier with Twin JFET: Delivers powerful and rich-sounding output with fast transient response.
- Multiple Headphone Outputs: Includes 6.35mm, balanced 4.4mm, and XLR jacks for broad compatibility.
- Two Tuning Modes: Offers Standard Mode (fast locking, low latency, neutral sound) and Pure Mode (precise clock signals, higher sound density, better soundstage).
- Бат бөх цахилгаан хангамж: Features a 50W toroidal low-ripple analog linear transformer and 23900µF capacitor array.
2. Тохируулах гарын авлага
2.1 Савлах, шалгах
Carefully remove the Aune S9c Pro from its packaging. Inspect the unit for any signs of damage. Ensure all accessories listed in the product packaging are present.
2.2 Эрчим хүчний холболт
Connect the provided AC power cable to the "MAIN POWER INPUT" port on the rear of the S9c Pro and then to a standard 110V AC power outlet. Чухал: This product is designed for 110V voltage. Using excessive voltage бүтээгдэхүүнийг гэмтээх болно.
2.3 Аудио оролтын холболтууд
The S9c Pro supports various digital audio inputs:
- USB оруулах: Connect your computer or digital audio source using a USB Type-B cable to the "USB" port.
- Коаксиаль оролт: Use a coaxial cable to connect to the "COAX" port from your digital audio source.
- Оптик оролт: Use an optical fiber cable to connect to the "OPT" port from your digital audio source.
- AES оролт: Use an AES/EBU cable to connect to the "AES" port from your digital audio source.
- External Clock Input (10MHz): For enhanced precision, connect an external 10MHz clock source (e.g., Aune S1c, SC1, XC1) to the dedicated "10M IN" port.
2.4 Аудио гаралтын холболтууд
The S9c Pro offers multiple output options:
- Чихэвчний гаралт:
- 6.35 мм чихэвчний залгуур: Нэг төгсгөлтэй чихэвчний хувьд.
- Balanced 4.4mm Headphone Jack: Тэнцвэртэй чихэвчний хувьд.
- Balanced 4-pin XLR Headphone Socket: Тэнцвэртэй чихэвчний хувьд.
- Шугамын гаралт:
- RCA Variable Line Out: Холбогдохын тулд amplifier or powered speakers via RCA cables.
- XLR Variable Line Out (L/R): Холбогдохын тулд amplifier or powered speakers via balanced XLR cables.

Figure 2: Rear panel connections of the Aune S9c Pro.
3. Ашиглалтын заавар
3.1 Урд самбарын удирдлага

Зураг 3: Урд самбарын удирдлага ба дэлгэц.
- Олон үйлдэлт бариул: This single knob controls multiple functions.
- Оролтын сонголт: A single press of the multifunction knob cycles through available digital inputs (USB, Coaxial, Optical, AES).
- Гаралтын сонголт: A double press of the multifunction knob switches between Line Out (variable) and Headphone Out.
- Дууны хяналт: Rotate the multifunction knob clockwise to increase volume and counter-clockwise to decrease volume.
- Tuning Mode Selection: A long press of the multifunction knob switches between MODE 1 (Standard Mode) and MODE 2 (Pure Mode).
- Дэлгэц: Shows current input, output mode, sampдууны түвшин, дууны түвшин болон MQA төлөв.
3.2 Алсын удирдлага
The included all-aluminum remote control provides convenient access to key functions:
- Оролтын сонголт: Dedicated buttons for input switching.
- Дууны хяналт: Volume up and down buttons.
- Дууг хаах: Mute/unmute audio output.
- Горим сонгох: Switch between MODE 1 and MODE 2.

Figure 4: Aune S9c Pro with its multi-function knob and all-aluminum remote.
3.3 Үйл ажиллагааны танилцуулгын видео
Video 1: A brief demonstration of the Aune S9c Pro DAC with Headphone Amp, showcasing input selection, output switching, volume control, and tuning mode changes.
4. Нарийвчилсан шинж чанарууд
4.1 Clock Synchronization Technology
The S9c Pro features a 2nd generation PLL core, a technological breakthrough that took four years to develop. This complex algorithm enables the output of frequencies corresponding to different resolutions with ultra-low jitter. The clock source is fed to both the USB XMOS and the DAC part simultaneously, resulting in natural and vivid sound. The 10MHz external clock input provides further possibilities for sound exploration.

Figure 5: The 2nd Gen PLL Core, central to the S9c Pro's precise clocking.
4.2 IIS Differential Transmission Isolation Technology & Dual DAC Chips
The S9c Pro utilizes a special onboard-IIS differential isolation transmission technology. IIS signals from USB and those converted from coaxial/AES/optical inputs are reshaped by the PLL core and transmitted via symmetrical circuit chips, minimizing interference. Furthermore, the S9c Pro employs two ES9068 DAC chips that work in clock synchronization mode, optimizing their potential for superior audio conversion.

Figure 6: IIS Differential Transmission and Dual DAC Chip implementation.
4.3 Fully-Discrete Amplifier with Twin JFET
The S9c Pro features a fully-discrete amplifier circuit with fast transient response. It incorporates twin JFETs (junction field effect transistors) at the input stage, known for their high impedance and mellow sound. Coupled with a +15V linear power supply, the amplifier delivers up to 5W of output power, capable of driving a wide range of headphones and IEMs effectively. The customized amp гаралтын ботьtage curve ensures optimal performance for both headphones and in-ear monitors.

Figure 7: Headphone output power specifications for various impedances.

Figure 8: Fully-Discrete Amp architecture and available tuning modes.
5. Засвар үйлчилгээ
To ensure the longevity and optimal performance of your Aune S9c Pro, follow these maintenance guidelines:
- Цэвэрлэгээ: Use a soft, dry cloth to wipe the exterior of the unit. Avoid using liquid cleaners, aerosols, or abrasive materials, as they may damage the finish or internal components.
- Агааржуулалт: Ensure the unit has adequate ventilation. Do not block the ventilation openings.
- Байгаль орчин: Operate the S9c Pro in a clean, dry environment, away from direct sunlight, heat sources, and excessive dust or moisture.
- Унтраах: Always power off the unit and disconnect it from the power outlet before cleaning or if it will be unused for an extended period.
6. Алдаа засах
If you encounter issues with your Aune S9c Pro, please refer to the following common troubleshooting steps:
- Эрчим хүчгүй:
- Ensure the power cable is securely connected to both the unit and the 110V power outlet.
- Check if the power switch on the rear panel is in the ON position.
- Өөр төхөөрөмжийг залгах замаар цахилгааны залгуур ажиллаж байгаа эсэхийг шалгана уу.
- Дууны гаралт байхгүй:
- Confirm the correct input source is selected on the S9c Pro's display.
- Ensure the output mode is set to "Headphone" for headphones or "Line Out" for external ampөргөгч/чанга яригч.
- Бүх аудио кабелийг найдвартай холболтын хувьд шалгана уу.
- Increase the volume level on the S9c Pro and your connected audio equipment.
- Verify that your headphones or speakers are functioning correctly.
- Гажуудсан эсвэл муу дууны чанар:
- Аудио эх үүсвэр болон кабелийнхаа чанарыг шалгана уу.
- s-г баталгаажуулна ууample rate displayed on the S9c Pro matches your audio source.
- Try switching between MODE 1 and MODE 2 tuning modes to see if it improves sound.
- Ensure the product is used at 110V voltagд. Хэт их ботьtage will damage the product and affect performance.
- Алсын удирдлага хариу өгөхгүй байна:
- Ensure there are no obstructions between the remote and the unit's remote control receiver.
- Шаардлагатай бол алсын удирдлагын батерейг шалгаж, солино уу.
7. Техникийн үзүүлэлтүүд
| Онцлог | Тодорхойлолт |
|---|---|
| Бүтээгдэхүүний хэмжээс | 11.3 x 2.4 x 8.3 инч |
| Зүйлийн жин | 9.55 фунт |
| Загварын дугаар | S9c Pro |
| Брэнд | Аюун |
| Интерфейсийн төрөл | USB, Coaxial, Optical, AES |
| Сувгийн тоо | 3 |
| Үйлдвэрлэгч | авга |
| Гарал үүслийн улс | Хятад |
| Line Output Noise Floor | 2.04 мкВ |
| Line Output THD+N | 0.00022% |
| Headphone Output Noise Floor | 7.71 мкВ |
| Headphone Output THD+N | 0.00058% (1.78 Vrms /1 KHz 0 dB) |
8. Баталгаат хугацаа ба дэмжлэг
Aune is committed to providing excellent customer service and support for its products.
- Баталгаат хугацаа: All Aune products come with a 2-year after-sales service.
- Бүтээгдэхүүний нөхцөл: All products are brand new and delicately packaged. If you find any traces of use upon receipt, it may be due to logistics and warehousing; please contact customer service to resolve the issue.
- Борлуулалтын дараах үйлчилгээ: Aune has a comprehensive after-sales system. For any issues during product use, please contact us directly for prompt assistance and a satisfactory resolution.
For further assistance or inquiries, please visit the official Aune store or contact their customer support channels.