1. Introduktion og overview
The TOPPING D50 III is a high-performance Digital-to-Analog Converter (DAC) designed to deliver exceptional audio fidelity for discerning audiophiles. Featuring dual ES9039Q2M DAC chips, it supports ultra-high-resolution audio formats up to DSD 512 and PCM 768kHz. Its advanced engineering, including a novel I/V conversion circuit, ensures minimal distortion and noise, providing a pristine listening experience. The D50 III also offers versatile connectivity options and advanced features like ten-band PEQ adjustment and a 12V trigger for integrated system control.
Figur 1.1: Forside view of the TOPPING D50 III Digital-Analog Converter in Silver.
2. Pakkens indhold
Kontroller venligst, at alle nedenstående varer er inkluderet i din pakke. Hvis der mangler eller er beskadigede varer, bedes du kontakte kundesupport.
- TOPPING D50 III Unit
- USB AC kabel
- USB CC kabel
- Bluetooth antenne
- Produktinformationskort
- Guide for Bluetooth Remote
Figure 2.1: Contents included in the TOPPING D50 III package.
3. Produktfunktioner
The TOPPING D50 III incorporates several advanced features to enhance your audio experience:
- Dual ES9039Q2M DAC Chips: Equipped with two high-performance ES9039Q2M chips, one for each channel, ensuring superior signal-to-noise ratio, dynamic range, and ultra-low distortion.
- Advanced I/V Conversion Circuit: Features a newly designed current-to-voltage conversion circuit that significantly reduces distortion and noise, maximizing the DAC chip's performance.
- Lydstøtte i høj opløsning: Supports audio playback up to DSD 512 (Native) and PCM 768kHz/32bit, catering to the highest fidelity audio formats.
- Bluetooth 5.1 med LDAC: Offers high-definition wireless audio streaming with support for LDAC and other advanced Bluetooth codecs, providing excellent sound quality without cables.
- Dual Type-C Interfaces: Provides flexible and stable connectivity for signal transmission and power. An auxiliary power supply is recommended for optimal performance, especially when fixed on a desktop or connected to a mobile phone.
- Alsidige udgange: Includes both RCA and TRS balanced outputs to connect to a wide range of audio systems.
- Preamp Funktionalitet: Can function as a preamplifier, allowing direct volume control for simplified audio setups.
- Ten-Band PEQ Adjustment: Offers a customizable ten-band parametric equalizer (PEQ) for precise sound profile adjustments, allowing users to fine-tune frequency gain and bandwidth. This function supports PCM 192kHz/32bit and is supported only for USB input.
- 12V triggerudgang: Enables synchronized power control with other compatible audio components, such as the A50 III amplifier, for seamless system integration.
Figur 3.1: Overview of TOPPING D50 III's core features.
Figur 3.2: Detaljeret view of the dual ES9039Q2M DACs and I/V conversion.
Figure 3.3: LDAC wireless and dual Type-C interface benefits.
Figure 3.4: Visual representation of the ten-band PEQ adjustment.
4. Opsætning og forbindelser
Follow these steps to set up your TOPPING D50 III DAC:
- Placering: Place the D50 III on a stable, flat surface away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation.
- Tilslut indgange:
- USB: Connect your computer or source device to the D50 III's USB-C input using the provided USB A-C or USB C-C cable. The USB hardware is based on XMOS XU316 and Thesycon driver.
- Optisk/koaksial: For digital audio sources, connect an optical or coaxial cable from your source to the corresponding input on the D50 III.
- Bluetooth: Attach the provided Bluetooth antenna to the 'BT' connector on the rear panel.
- Tilslut udgange:
- RCA-udgang: Connect RCA cables from the D50 III's 'R out' and 'L out' RCA ports to your amplifier eller aktive højttalere.
- TRS Balanced Output: For balanced connections, use TRS cables from the D50 III's 'R out' and 'L out' TRS ports to your balanced amplifier eller aktive højttalere.
- Strømtilslutning: Connect the power adapter to the 'POWER' USB-C port or DC15V input on the rear panel and plug it into a suitable power outlet.
- 12V-udløser (valgfri): If you have compatible equipment (e.g., TOPPING A50 III amplifier), connect a 12V trigger cable from the D50 III's '12V TRIGGER OUT' to the '12V TRIG IN' on the other device for synchronized power control.
Figure 4.1: Rear panel connections of the TOPPING D50 III.
Figur 4.2: Eksample setup: D50 III connected to desktop speakers.
Figur 4.3: Eksample setup: D50 III connected to a laptop and speakers.
Video 4.1: En overview of the TOPPING D50 III, showcasing its design, various input/output ports, and connectivity options, including its compatibility with the A50 III amplivligere.
5. Betjening
Operating the TOPPING D50 III is straightforward:
- Tænd/sluk: Press the power button on the front panel to turn the unit on or off.
- Valg af input: Use the input selection button or remote control to cycle through available inputs (USB, Bluetooth, Optical, Coaxial). The selected input will be displayed on the screen.
- Lydstyrkekontrol: If using the D50 III as a preamp, adjust the volume using the dedicated volume knob or the remote control.
- Bluetooth-parring: To pair a new Bluetooth device, select the Bluetooth input. The D50 III will enter pairing mode. Søg efter 'TOPPING D50 III' on your device and connect.
- PEQ Adjustment: For advanced users, the ten-band PEQ (Parametric Equalizer) can be accessed and adjusted via the device's menu or dedicated software (if available). Refer to the detailed PEQ guide for specific instructions on customizing frequency response.
Figure 5.1: Bluetooth pairing with the TOPPING D50 III.
Figure 5.2: Plug and Play setup on computer operating systems.
6. Specifikationer
Detailed technical specifications for the TOPPING D50 III:
| Parameter | RCA (LineOut/USB In@96kHz) | TRS (LineOut/USB In@96kHz) |
|---|---|---|
| THD+N @1kHz (A-wt) | <0.00008 % @1kHz | <0.00006 % @1kHz |
| THD@No-wt (96kBW) | <0.0004 % @20-20kHz | <0.0002 % @20-20kHz |
| SNR (A-wt) | 127dB @1kHz | 132dB @1kHz |
| Dynamisk område @1kHz (A-wt) | 127dB @1kHz | 132dB @1kHz |
| Frekvensrespons | 20Hz-20kHz (±0.1dB) | 20Hz-20kHz (±0.1dB) |
| 20Hz-40kHz (±0.3dB) | 20Hz-40kHz (±0.3dB) | |
| Udgangsniveau | 2.0Vrms @0dBFS (4V-tilstand) | 4.0Vrms @0dBFS (4V-tilstand) |
| 2.5Vrms @0dBFS (5V-tilstand) | 5.0Vrms @0dBFS (5V-tilstand) | |
| Støj (A-wt) | <1.1uVrms | <1.3uVrms |
| Kanal Crosstalk | -136dB @1kHz | -147dB @1kHz |
| Kanalbalance | 0.3 dB | 0.3 dB |
| Udgangsimpedans | 50Ω | 100Ω |
*Note: The above data is the result obtained from TOPPING lab test under AC220V 50Hz and D50 III set to 5V output mode.
Figure 6.1: TOPPING D50 III DAC parameters.
Generelle specifikationer:
- Produktdimensioner: 5.91 x 0.79 x 2.76 tommer
- Varens vægt: 10.6 ounce
- Fabrikant: TOPPNING
- Modelnummer: TOPPING D50III Silver
- ASIN: B0CXSDTTFD
- Dato først tilgængelig: 13. marts 2024
7. Fejlfinding
If you encounter issues with your TOPPING D50 III, please refer to the following common problems and solutions:
- Ingen lydoutput:
- Ensure the D50 III is powered on and the correct input source is selected.
- Kontroller, at alle kabelforbindelser (input og output) er sikre.
- Bekræft, at din amphøjttalere eller aktive højttalere er tændt og indstillet til den korrekte indgang.
- If using USB, ensure the necessary drivers are installed on your computer and the D50 III is selected as the audio output device.
- Problemer med Bluetooth-forbindelse:
- Sørg for, at Bluetooth-antennen er korrekt fastgjort.
- Make sure the D50 III is in Bluetooth input mode and pairing mode (if connecting for the first time).
- Prøv at ophæve parringen og parre enheden igen.
- Reduce the distance between the D50 III and your Bluetooth device, and remove any obstructions.
- Forvrænget eller dårlig lydkvalitet:
- Check cable quality and connections. Use high-quality, shielded cables.
- Ensure the source audio file ikke er beskadiget eller af lav kvalitet.
- Verify that the volume level is not excessively high, causing clipping.
- If using USB, ensure your computer's audio settings match the D50 III's capabilities (e.g., samphastighed, bitdybde).
- Enheden svarer ikke:
- Disconnect the power cable, wait 10 seconds, and reconnect it to perform a hard reset.
- Sørg for, at strømforsyningen er stabil og inden for det angivne volumtage rækkevidde.
Hvis problemet fortsætter efter at have prøvet disse løsninger, bedes du kontakte kundesupport for yderligere assistance.
8. Vedligeholdelse
To ensure the longevity and optimal performance of your TOPPING D50 III, follow these maintenance guidelines:
- Rensning: Use a soft, dry cloth to wipe the exterior of the unit. Do not use liquid cleaners, aerosols, or abrasive materials, as they may damage the finish or internal components.
- Miljø: Keep the unit in a clean, dust-free environment. Avoid exposing it to extreme temperatures, humidity, or direct sunlight.
- Ventilation: Sørg for, at ventilationsåbningerne ikke er blokeret for at forhindre overophedning.
- Håndtering: Håndter enheden forsigtigt. Undgå at tabe den eller udsætte den for hårde stød.
9. Garanti og support
The TOPPING D50 III comes with a manufacturer's warranty. Please refer to the Product Information Card included in your package for specific warranty terms and conditions. For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact AOSHIDA customer service through the retailer where you purchased the product or visit the official AOSHIDA webwebsted for kontaktoplysninger.