AOSHIDA R26 Nero

Gustard R26 Discrete R2R DAC Instruction Manual

Model: R26 Nero | Brand: AOSHIDA

1. ആമുഖം

The Gustard R26 is a high-performance Discrete R2R DAC (Digital-to-Analog Converter) designed for audiophiles seeking exceptional sound quality. It features advanced technologies such as R2R-1Bit architecture, DSD512 and PCM768kHz support, K2 Clock, and balanced preamp capabilities. This manual provides detailed instructions for setting up, operating, and maintaining your Gustard R26 to ensure optimal performance and longevity.

2. ഉൽപ്പന്നം കഴിഞ്ഞുview

2.1. ഫ്രണ്ട് പാനൽ

The front panel of the Gustard R26 features a clean design with essential controls and indicators.

Gustard R26 Discrete R2R DAC with remote control

വിവരണം: A black Gustard R26 DAC unit is shown from the front-right angle, accompanied by its remote control. The unit has a sleek, minimalist design with a central display and a multi-function knob on the right.

2.2. പിൻ പാനൽ കണക്ഷനുകൾ

The rear panel provides a comprehensive array of input and output options for versatile connectivity within your audio system.

Rear panel connections of Gustard R26 DAC

വിവരണം: എ വിശദമായി view of the Gustard R26's rear panel, highlighting various input and output ports including RCA, XLR, USB, LAN, IIS-H, Coaxial, Optical, Bluetooth antenna, Clock input, and power input with voltage switching and fuse. A diagram labels each port.

2.3. Internal Architecture and Key Components

The Gustard R26 incorporates sophisticated internal components for superior audio processing.

Internal CPLD diagram of Gustard R26 DAC

വിവരണം: A close-up of the internal circuit board, illustrating the Complex Programmable Logic Device (CPLD) and its functions such as signal routing, clock management, 2nd order PLL, DOP decoding, and Depop for PCM&DSD.

Internal components of Gustard R26 DAC including XMOS, Bluetooth, and IIS-H

വിവരണം: Another internal view focusing on the XMOS XU216 chip (supporting PCM768 & DSD512), the Bluetooth 5.0 module (supporting APTX LL, APTX HD, and LDAC up to 24Bit/96kHz), and the IIS-H input interface.

LPF and Clock synthesis components in Gustard R26 DAC

വിവരണം: A detailed shot of the Low Pass Filter (LPF) section and the K2 Ultra Low Noise Clock Synthesizer, emphasizing the precision components used for signal processing and clocking.

2.4. പ്രധാന സവിശേഷതകൾ കഴിഞ്ഞുview

The Gustard R26 is packed with features designed to enhance your listening experience.

Gustard R26 DAC feature icons

വിവരണം: A grid of icons representing key features: R2R Discrete DAC, 1 Bit DSD, Native PCM, Native DSD, DSD to PCM, Streamer/Renderer ROON Upnp, XMOS DSD512 PCM768K, Gustard Femto Clock fs Jitter Oscillators, CPLD, 10M k2 Clock in, DSD 1bit DSD512, PCM 768K, MQA 44.1-384kHz, Bluetooth, IIS (Via HDMI), Single-end Balanced, Independent Power Supplies, and Remote.

2.5. ഔദ്യോഗിക ഉൽപ്പന്ന വീഡിയോ

വിവരണം: ഈ വീഡിയോ ഒരു ദൃശ്യാവിഷ്കാരം നൽകുന്നുview of the Gustard R26 Decoder and its remote control, showcasing its design and various features.

3. സജ്ജീകരണ ഗൈഡ്

3.1 അൺപാക്ക് ചെയ്യുന്നു

Carefully remove the Gustard R26 from its packaging. Ensure all accessories are present.

Gustard R26 product box with model information

വിവരണം: A cardboard box for the Gustard R26, showing a label with model R26, serial number, manufacture date, color (black checked), and voltage selection (100-120V / 220-240V).

മുകളിൽ view of Gustard R26 product box

വിവരണം: The top of the Gustard R26 cardboard box, featuring the 'GUSTARD' logo and the slogan 'High-Fidelity for You'.

3.2. കണക്ഷനുകൾ

  1. പവർ കണക്ഷൻ: Connect the supplied AC cable to the power input on the rear panel. Ensure the voltage switch (115V/230V) is set correctly for your region.
  2. ഓഡിയോ ഔട്ട്പുട്ട്: Connect the R26 to your amplifier or active speakers using either the RCA (single-ended) or XLR (balanced) outputs. XLR connections are recommended for optimal performance.
  3. ഡിജിറ്റൽ ഇൻപുട്ടുകൾ: Connect your digital audio sources (e.g., CD player, computer, streamer) to the appropriate inputs: USB, Coaxial, Optical, AES/EBU, or IIS.
  4. നെറ്റ്‌വർക്ക് കണക്ഷൻ (ഓപ്ഷണൽ): For streaming features, connect an Ethernet cable to the LAN port.
  5. ബ്ലൂടൂത്ത് ആന്റിന: Attach the provided Bluetooth antenna to the designated port for wireless connectivity.
  6. 10M Clock Input (Optional): If using an external master clock, connect it to the 10M Clock In BNC port.

3.3. പവർ ഓൺ

After making all necessary connections, flip the power switch on the rear panel to the 'ON' position. The front display will illuminate.

4. പ്രവർത്തന നിർദ്ദേശങ്ങൾ

4.1. അടിസ്ഥാന പ്രവർത്തനം

Use the multi-function knob on the front panel or the remote control to navigate the menu and adjust settings.

4.2. ഇൻപുട്ട് തിരഞ്ഞെടുക്കൽ

Press the function button or use the remote to cycle through available digital inputs (USB, COAX, OPT, AES, IIS, LAN, Bluetooth).

4.3. വോളിയം നിയന്ത്രണം

The R26 can operate with fixed or variable volume output. In variable mode, use the front knob or remote to adjust the output volume. Note that volume is fixed under Native 1 Bit DAC mode.

4.4. വിപുലമായ ക്രമീകരണങ്ങൾ

The R26 offers various advanced settings accessible through its menu, including PCM filters, DSD modes, and clock synchronization options. Refer to the detailed user manual (PDF) for comprehensive instructions on configuring these settings to suit your preferences.

4.5. MQA Decoding

The Gustard R26 supports full MQA decoding across USB, Optical, Coaxial, AES, and IIS inputs, up to PCM44.1kHz-384kHz. This allows for the playback of Master Quality Authenticated audio files, delivering the original master recording quality.

How MQA works explanation

വിവരണം: An infographic explaining the MQA (Master Quality Authenticated) technology, detailing how it cleans the recording, its benefits over traditional digital audio, and how it unfolds the full studio sound.

5. പരിപാലനം

  • വൃത്തിയാക്കൽ: യൂണിറ്റിന്റെ പുറംഭാഗം വൃത്തിയാക്കാൻ മൃദുവായതും ഉണങ്ങിയതുമായ തുണി ഉപയോഗിക്കുക. അബ്രസീവ് ക്ലീനറുകളോ ലായകങ്ങളോ ഉപയോഗിക്കുന്നത് ഒഴിവാക്കുക.
  • വെൻ്റിലേഷൻ: Ensure adequate ventilation around the unit to prevent overheating. Do not block the ventilation slots.
  • സംഭരണം: യൂണിറ്റ് ദീർഘനേരം സൂക്ഷിക്കുകയാണെങ്കിൽ, അത് വൈദ്യുതിയിൽ നിന്ന് വിച്ഛേദിച്ച് തണുത്തതും വരണ്ടതുമായ സ്ഥലത്ത് സൂക്ഷിക്കുക.

6. പ്രശ്‌നപരിഹാരം

പ്രശ്നംസാധ്യമായ കാരണംപരിഹാരം
ശക്തിയില്ലPower cable disconnected; Power switch off; Fuse blownCheck power cable connection; Turn on power switch; Replace fuse (refer to manual for type)
ശബ്ദ ഔട്ട്പുട്ട് ഇല്ലIncorrect input selected; Cables loose; Amplifier off/muted; Volume too lowSelect correct input; Check all audio cable connections; Ensure amplifier is on and not muted; Increase volume
വികലമായ ശബ്ദംPoor cable connection; Source issue; Incorrect settingsCheck cable integrity; Test with different source; Verify DAC settings (e.g., filter mode)
ബ്ലൂടൂത്ത് കണക്ഷൻ പ്രശ്നങ്ങൾAntenna not connected; Device out of range; InterferenceEnsure Bluetooth antenna is connected; Move device closer; Reduce interference from other wireless devices

7 സ്പെസിഫിക്കേഷനുകൾ

Detailed technical specifications for the Gustard R26 DAC.

വിഭാഗംസ്പെസിഫിക്കേഷൻ
വൈദ്യുതി വിതരണംഎസി 115V/230V 50/60Hz
വൈദ്യുതി ഉപഭോഗം<30W
Size (W*L*H)330mm * 260mm * 65mm (Protrusion not included)
ഭാരം7KG (with package)
കേസ് മെറ്റീരിയൽSandblasted aluminum alloy
COAX/AES/OPT InputPCM 16-24bit/44.1-192kHz; DSD DOP64
യുഎസ്ബി ഇൻപുട്ട്PCM 16-32bit/44.1-768kHz; DSD DOP64-DOP256; NATIVE DSD: DSD64-DSD512
USB OS SupportWindows 7~11 32/64bit; iOS; Linux
IIS InputPCM 16-32bit/44.1-768kHz; DSD DOP64-DOP256; NATIVE DSD: DSD64-DSD1024
10M Clock In50 Ohm BNC, 0dBm-20dBm, Square Wave 0.2V-3.3V, Sinewave 0.5-3.3V
ഫ്രീക്വൻസി പ്രതികരണം20-20kHz /+-0.2dB (Oversampലിംഗ്)
ഡൈനാമിക് റേഞ്ച്> 115dB
സിഗ്നൽ-ടു-നോയിസ് അനുപാതം>122dB
ക്രോസ്സ്റ്റോക്ക്-134dB @ 1kHz
THD+N<=0.003% @1kHz
ഐഎംഡി≈0.008% @ 0dbfs
ആർ‌സി‌എ put ട്ട്‌പുട്ട്2.5Vrms (VOLUME FIXED) 100Ω
XLR Outട്ട്പുട്ട്5.0Vrms (VOLUME FIXED) 100Ω
XLR പിൻഔട്ട്1-Ground 2-Hot 3-Cold
MQA പിന്തുണUSB/OPT/COAX/AES/IIS: PCM44.1-384kHz
Gustard R26 Input, Output, and Other Specifications table

വിവരണം: A visual representation of the input, output, and other specifications of the Gustard R26 DAC, presented in a clear table format.

8. വാറൻ്റിയും പിന്തുണയും

For detailed warranty information and technical support, please refer to the official user manual or contact AOSHIDA customer service.

ഉപയോക്തൃ മാനുവൽ (PDF): ഉപയോക്തൃ മാനുവൽ ഡൗൺലോഡ് ചെയ്യുക

AOSHIDA Audio specializes in the supply and production of high-fidelity audio products. As an exclusive agent for the Musician brand and a Chinese agent for several other reputable brands like TOPPING, SMSL, and Gustard, AOSHIDA is committed to providing professional audio solutions including DACs, headphone amplifiers, and IEMs to enhance your music journey.

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