1. परिचय
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.
चित्र १: अगाडि view of the Topping D70 PRO OCTO HiFi DAC.
2. प्याकेज सामग्री
कृपया निम्न वस्तुहरूको लागि प्याकेज ध्यानपूर्वक जाँच गर्नुहोस्:
- Topping D70 PRO OCTO Unit
- रिमोट कन्ट्रोल
- USB केबल
- AC पावर केबल
- ब्लुटुथ एन्टेना
- द्रुत सुरुवात गाइड
Figure 2: Included accessories: Remote control, USB cable, AC cable, Bluetooth antenna, and Quick Start Guide.
3. उत्पादन समाप्तview
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.
अगाडि प्यानल
- डिस्प्ले स्क्रिन: Shows current status, input, sample rate, and UI information.
- नियन्त्रण घुंडी: For navigation, volume adjustment, and menu selection.
- बटनहरू छुनुहोस्: Three touch buttons for intuitive control of the Aurora UI.
रियर प्यानल
- USB इनपुट: Connect to a computer for audio playback.
- समाक्षीय इनपुट: डिजिटल अडियो इनपुट।
- अप्टिकल इनपुट: डिजिटल अडियो इनपुट।
- ब्लुटुथ एन्टेना कनेक्टर: वायरलेस ब्लुटुथ रिसेप्शनको लागि।
- USB-C (पावर): पावर इनपुट।
- आरसीए आउटपुट (एल/आर): Unbalanced analog audio output.
- XLR Output (L/R): Balanced analog audio output.
- 12V ट्रिगर: अन्य उपकरणहरूसँग सिङ्क्रोनाइज्ड पावर नियन्त्रणको लागि।
- पावर स्विच: मुख्य पावर अन / अफ।
4. सेटअप
२.१ प्रारम्भिक जडान
- 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 ampलिफायर वा सक्रिय स्पिकरहरू।
- Turn on the D70 PRO OCTO using the power switch on the rear panel.
4.2 Driver Installation (Windows)
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. सञ्चालन
5.1 आधारभूत नियन्त्रणहरू
- पावर अन/अफ: पछाडिको प्यानलमा रहेको मुख्य पावर स्विच प्रयोग गर्नुहोस्।
- भोल्युम समायोजन: Rotate the control knob on the front panel to adjust the output volume.
- इनपुट चयन: Press the control knob or use the remote control to cycle through available inputs (USB, Coaxial, Optical, Bluetooth).
५.४ अरोरा UI र डिस्प्ले मोडहरू
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).
- खोज्नुहोस् "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.
१.३। मुख्य विशेषताहरु
- 8x CS43198 DAC Chips: Equipped with eight Cirrus Logic flagship CS43198 chips for superior audio conversion.
- उच्च रिजोल्युसन अडियो समर्थन: Supports PCM up to 768kHz/32bit and DSD512 audio decoding.
- अरोरा UI: Full-color screen and three touch buttons for intuitive control and display.
- बहुमुखी प्रदर्शन मोडहरू: Switch between playback information, FFT, and VU meters.
- ब्लुटुथ 5.1.०: 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. निर्दिष्टीकरणहरू
| सुविधा | विवरण |
|---|---|
| DAC चिप | 8x Cirrus Logic CS43198 |
| PCM Decoding | ७६८kHz/३२bit सम्म |
| DSD डिकोडिङ | DSD512 सम्म |
| ब्लुटुथ संस्करण | 5.1 |
| ब्लुटुथ कोडेक्स | LDAC, aptX-Adaptive, aptX HD, aptX, AAC, SBC |
| THD+N (आरसीए) | <0.00008% @ 1kHz (A-wt) |
| THD+N (XLR) | <0.00007% @ 1kHz (A-wt) |
| गतिशील दायरा (RCA) | 128dB @ 1kHz (A-wt) |
| गतिशील दायरा (XLR) | 134dB @ 1kHz (A-wt) |
| Output Impedance (RCA) | 50Ω |
| आउटपुट प्रतिबाधा (XLR) | 100Ω |
| इनपुटहरू | USB, कोएक्सियल, अप्टिकल, ब्लुटुथ |
| आउटपुटहरू | आरसीए, एक्सएलआर |
| आयामहरू | लगभग ९.६५ x ८.३१ x २.६४ इन्च (प्याकेज) |
| वस्तुको वजन | लगभग १.२ पाउण्ड |
| पावर इनपुट | USB-C (DC 15V) |
8. मर्मतसम्भार
To ensure the longevity and optimal performance of your D70 PRO OCTO, follow these maintenance guidelines:
- सरसफाई: 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.
- नियुक्ति: उपकरणलाई प्रत्यक्ष सूर्यको प्रकाश, ताप स्रोत र अत्यधिक आर्द्रताबाट टाढा स्थिर, समतल सतहमा राख्नुहोस्। युनिट वरिपरि पर्याप्त भेन्टिलेसन सुनिश्चित गर्नुहोस्।
- शक्ति: Always use the provided power adapter. Disconnect the power cable during lightning storms or when the unit is unused for extended periods.
- ह्यान्डलिङ: यन्त्रलाई बलियो प्रभावहरूमा छोड्न वा अधीन नगर्नुहोस्।
T. समस्या निवारण
If you encounter any issues with your D70 PRO OCTO, please refer to the following common problems and solutions:
| समस्या | सम्भावित कारण | समाधान |
|---|---|---|
| शक्ति छैन | Power cable not connected or faulty outlet. | Ensure the power cable is securely connected and the outlet is functional. Check the power switch on the rear panel. |
| कुनै ध्वनि आउटपुट छैन | 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. |
| ब्लुटुथ जडान समस्याहरू | उपकरण जोडी मोडमा छैन, दायरा बाहिर छैन, वा हस्तक्षेप छैन। | 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. |
| विकृत अडियो | 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. |
यी समाधानहरू प्रयास गरेपछि पनि समस्या रहिरह्यो भने, कृपया ग्राहक समर्थनलाई सम्पर्क गर्नुहोस्।
10. वारेन्टी र समर्थन
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 webविस्तृत वारेन्टी नियम र सर्तहरूको लागि साइट।
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.