1. សេចក្តីផ្តើម
The LEAUDIO Topping D70 PRO OCTO is a high-fidelity Digital-to-Analog Converter (DAC) designed to deliver exceptional audio performance. Featuring 8 Cirrus Logic CS43198 chips, Bluetooth 5.1 with LDAC support, and a full-color Aurora UI, this device offers advanced audio decoding capabilities up to PCM768kHz/32bit and DSD512. This manual provides detailed instructions for setting up, operating, and maintaining your D70 PRO OCTO to ensure optimal performance.
រូបភាពទី 1: ផ្នែកខាងមុខ view of the Topping D70 PRO OCTO HiFi DAC.
2. មាតិកាកញ្ចប់
សូមពិនិត្យមើលកញ្ចប់ដោយប្រុងប្រយ័ត្នសម្រាប់របស់របរដូចខាងក្រោម៖
- Topping D70 PRO OCTO Unit
- ការបញ្ជាពីចម្ងាយ
- ខ្សែ USB
- ខ្សែថាមពល AC
- អង់តែនប៊្លូធូស
- មគ្គុទ្ទេសក៍ចាប់ផ្តើមរហ័ស
Figure 2: Included accessories: Remote control, USB cable, AC cable, Bluetooth antenna, and Quick Start Guide.
3. ផលិតផលលើសview
The D70 PRO OCTO features a clear layout for easy connectivity and control.
Figure 3: Front panel (top) with display and control knob, and rear panel (bottom) with various input/output ports.
បន្ទះខាងមុខ
- អេក្រង់បង្ហាញ៖ Shows current status, input, sample rate, and UI information.
- ឧបករណ៍បញ្ជា For navigation, volume adjustment, and menu selection.
- ប៊ូតុងប៉ះ៖ Three touch buttons for intuitive control of the Aurora UI.
បន្ទះខាងក្រោយ
- ការបញ្ចូលយូអេសប៊ី៖ Connect to a computer for audio playback.
- ការបញ្ចូល coaxial: ការបញ្ចូលសំឡេងឌីជីថល។
- ការបញ្ចូលអុបទិក៖ ការបញ្ចូលសំឡេងឌីជីថល។
- ឧបករណ៍ភ្ជាប់អង់តែនប៊្លូធូស៖ For wireless Bluetooth reception.
- USB-C (ថាមពល)៖ ការបញ្ចូលថាមពល។
- ទិន្នផល RCA (ឆ្វេង/ស្តាំ): Unbalanced analog audio output.
- XLR Output (L/R): Balanced analog audio output.
- កេះ 12V៖ For synchronized power control with other devices.
- កុងតាក់ថាមពល៖ បើក/បិទថាមពលចម្បង។
4. រៀបចំ
4.1 ការតភ្ជាប់ដំបូង
- Connect the Bluetooth antenna to the designated connector on the rear panel.
- Connect the D70 PRO OCTO to a power source using the provided AC power cable.
- Connect your audio source (e.g., computer, CD player) to the appropriate input on the D70 PRO OCTO (USB, Coaxial, or Optical).
- Connect the D70 PRO OCTO's output (RCA or XLR) to your amplifier ឬវាគ្មិនសកម្ម។
- Turn on the D70 PRO OCTO using the power switch on the rear panel.
៤.១ ការដំឡើងកម្មវិធីបញ្ជា (វីនដូ)
For Windows operating systems, a specific driver is required for optimal performance, especially for ASIO playback. The D70 PRO OCTO utilizes an XMOS XU316 and Thesycon custom driver. This driver can typically be downloaded from the manufacturer's official website. Other operating systems like Mac, Linux, iOS, and Android are generally driver-free and support plug-and-play functionality.
Figure 4: The D70 PRO OCTO offers wide compatibility with various operating systems, with specific driver requirements for Windows.
5. ប្រតិបត្តិការ
5.1 ការត្រួតពិនិត្យមូលដ្ឋាន
- បើក/បិទថាមពល៖ Use the main power switch on the rear panel.
- ការលៃតម្រូវកម្រិតសំឡេង៖ Rotate the control knob on the front panel to adjust the output volume.
- ការជ្រើសរើសបញ្ចូល៖ Press the control knob or use the remote control to cycle through available inputs (USB, Coaxial, Optical, Bluetooth).
5.2 Aurora UI and Display Modes
The D70 PRO OCTO features a full-color Aurora UI with three touch buttons for an enhanced user experience. The display can show various playback information, including sample rate, volume, and input source. You can also switch between different display modes such as FFT (Fast Fourier Transform) and VU (Volume Unit) meters according to your preference.
Figure 5: The Aurora UI offers a full-color screen, touch buttons, customizable functions via the volume knob, and language switching options.
5.3 Bluetooth 5.1 Transmission
The D70 PRO OCTO supports Bluetooth 5.1 with advanced audio encoding protocols including LDAC, aptX-Adaptive, aptX HD, aptX, AAC, and SBC. This allows for high-quality wireless audio streaming from compatible devices.
- Select Bluetooth as the input source on the D70 PRO OCTO.
- Enable Bluetooth on your source device (e.g., smartphone, tablet).
- ស្វែងរក "D70 PRO OCTO" in your device's Bluetooth settings and pair.
- Once paired, audio will be streamed wirelessly to the DAC.
Figure 6: The D70 PRO OCTO supports Bluetooth 5.1 for high-quality wireless audio transmission.
២.១. លក្ខណៈសំខាន់ៗ
- 8x CS43198 DAC Chips: Equipped with eight Cirrus Logic flagship CS43198 chips for superior audio conversion.
- ការគាំទ្រអូឌីយ៉ូដែលមានគុណភាពបង្ហាញខ្ពស់៖ Supports PCM up to 768kHz/32bit and DSD512 audio decoding.
- Aurora UI: Full-color screen and three touch buttons for intuitive control and display.
- របៀបបង្ហាញច្រើនប្រភេទ៖ Switch between playback information, FFT, and VU meters.
- ប៊្លូធូស ៤.០ Supports LDAC, aptX-Adaptive, aptX HD, aptX, AAC, and SBC for high-quality wireless streaming.
- Low Distortion and High Dynamic Range: Achieves THD+N <0.00007% and a dynamic range of 134dB for accurate sound reproduction.
Figure 7: Visual representation of key features including 8x CS43198 chips, color display, Aurora UI, Hi-Res Audio, LDAC, and performance metrics.
Figure 8: Detailed audio performance metrics including THD+N, SNR, DNR, and Noise levels, demonstrating the DAC's high fidelity.
7. លក្ខណៈបច្ចេកទេស
| លក្ខណៈ | លម្អិត |
|---|---|
| បន្ទះឈីប DAC | 8x Cirrus Logic CS43198 |
| PCM Decoding | រហូតដល់ 768kHz/32bit |
| ការឌិកូដ DSD | រហូតដល់ DSD512 |
| កំណែប៊្លូធូស | 5.1 |
| កូឌិកប៊្លូធូស | LDAC, aptX-Adaptive, aptX HD, aptX, AAC, SBC |
| THD+N (RCA) | <0.00008% @ 1kHz (A-wt) |
| THD+N (XLR) | <0.00007% @ 1kHz (A-wt) |
| Dynamic Range (RCA) | 128dB @ 1kHz (A-wt) |
| Dynamic Range (XLR) | 134dB @ 1kHz (A-wt) |
| Output Impedance (RCA) | 50Ω |
| Output Impedance (XLR) | 100Ω |
| ធាតុចូល | USB, Coaxial, Optical, Bluetooth |
| លទ្ធផល | RCA, XLR |
| វិមាត្រ | ប្រហែល ៤,២៥ x ៣,៤៣ x ២,៨៧ អ៊ីញ (កញ្ចប់) |
| ទំងន់ធាតុ | ប្រហែល 4.29 ផោន |
| ការបញ្ចូលថាមពល | USB-C (DC 15V) |
8. ការថែទាំ
To ensure the longevity and optimal performance of your D70 PRO OCTO, follow these maintenance guidelines:
- ការសម្អាត៖ Use a soft, dry cloth to clean the exterior of the device. Avoid using abrasive cleaners, solvents, or chemical sprays, as they may damage the finish.
- ទីតាំង៖ Place the device on a stable, flat surface away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the unit.
- ថាមពល៖ Always use the provided power adapter. Disconnect the power cable during lightning storms or when the unit is unused for extended periods.
- ការគ្រប់គ្រង៖ ជៀសវាងការទម្លាក់ ឬដាក់ឧបករណ៍ទៅនឹងផលប៉ះពាល់ខ្លាំង។
9. ការដោះស្រាយបញ្ហា
If you encounter any issues with your D70 PRO OCTO, please refer to the following common problems and solutions:
| បញ្ហា | មូលហេតុដែលអាចកើតមាន | ដំណោះស្រាយ |
|---|---|---|
| គ្មានអំណាច | ខ្សែថាមពលមិនត្រូវបានភ្ជាប់ ឬរន្ធដោតមានបញ្ហា។ | Ensure the power cable is securely connected and the outlet is functional. Check the power switch on the rear panel. |
| គ្មានលទ្ធផលសំឡេង | Incorrect input/output selection, volume too low, or faulty cables. | Verify the correct input source is selected on the DAC. Check volume levels on both the DAC and connected amplifier/speakers. Ensure audio cables are securely connected and not damaged. |
| បញ្ហាការតភ្ជាប់ប៊្លូធូស | ឧបករណ៍មិនស្ថិតក្នុងរបៀបផ្គូផ្គង ស្ថិតនៅក្រៅជួរ ឬការជ្រៀតជ្រែក។ | Ensure the DAC is in Bluetooth input mode. Place the source device closer to the DAC. Try unpairing and re-pairing the devices. Avoid sources of strong electromagnetic interference. |
| សំឡេងខូចទ្រង់ទ្រាយ | Input signal too high, faulty cables, or incorrect settings. | Reduce the volume on the source device. Check audio cables for damage. Ensure the DAC's settings (e.g., filter modes) are appropriate for your audio. |
| Windows PC not recognizing DAC | Missing or incorrect USB driver. | Download and install the latest USB driver from the LEAUDIO or Topping official website. Restart your computer and the DAC. |
ប្រសិនបើបញ្ហានៅតែបន្តកើតមានបន្ទាប់ពីការសាកល្បងដំណោះស្រាយទាំងនេះ សូមទាក់ទងផ្នែកជំនួយអតិថិជន។
10. ការធានា និងការគាំទ្រ
The LEAUDIO Topping D70 PRO OCTO is covered by a manufacturer's warranty. Please refer to the warranty card included in your package or visit the official LEAUDIO/Topping webគេហទំព័រសម្រាប់លក្ខខណ្ឌធានាលម្អិត។
For technical support, service, or further inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt and product serial number handy when seeking support.