FiiO K13 R2R Desktop DAC & Headphone Amp Manuale d'usu

1. Introduzione

The FiiO K13 R2R is a high-fidelity desktop Digital-to-Analog Converter (DAC) and Headphone Amplifier designed to deliver exceptional audio performance. It features a proprietary 24-bit R2R DAC, powerful output capabilities, versatile connectivity, and advanced sound customization options. This manual provides essential information for setting up, operating, and maintaining your FiiO K13 R2R.

Figure 1: FiiO K13 R2R Desktop DAC & Headphone Amp (Neru)

Key features include a fully differential 24Bit R2R DAC, NOS/OS dual modes for flexible listening, versatile desktop DAC and preamp/cuffie amp functionality, 10-band high-precision PEQ with auto EQ, and LDAC Bluetooth 5.4 wireless HiFi support.

2. Ciò chì hè in a scatula

Please check the contents of your FiiO K13 R2R package:

• Guida Quick Start
• AC power cord*1
• Infrared remote control*1
• Cable di dati USB * 1
• Headphone adapter*1

Figure 2: Package contents of the FiiO K13 R2R.

3. Produttu Finituview

Panel frontale

The front panel of the FiiO K13 R2R features essential controls and output ports for easy access and operation.

Figura 3: Fronte view of the FiiO K13 R2R, showing the display, headphone outputs, and control knobs.

• Menu/Input Knob: Rotate to navigate menus or adjust settings. Press to confirm selection or switch input sources.
• Pantalla di visualizazione: Mostra l'input attuale, sampling rate, volume level, and menu options.
• Uscita per cuffie à estremità unica da 6.35 mm: Presa standard per cuffie.
• Uscita per cuffie bilanciata 4.4 mm: Balanced headphone jack for enhanced audio performance.
• Manopola di Volume: Rotate to adjust the output volume.

Panel posteriore

The rear panel provides a comprehensive array of input and output connections for integration into various audio systems.

Figura 4: Posteriore view of the FiiO K13 R2R, detailing the various input and output ports.

• Balanced XLR Output (L/R): For connecting to balanced amplifiers o parlanti attivi.
• RCA Line Out (L/R): For connecting to unbalanced amplifiers o parlanti attivi.
• Input coaxial: Ingressu audio digitale.
• Input otticu: Ingressu audio digitale.
• USB IN (Type-C): For connecting to a computer or other USB audio sources.
• DC IN (12V): External DC power input option.
• AC Power Input (100-240V): Main power connection.
• Antenna Bluetooth: Per a ricezione Bluetooth senza filu.

Internal Architecture Highlights

The FiiO K13 R2R incorporates advanced internal components for superior audio fidelity.

Figure 5: Diagram illustrating the fully differential 24Bit R2R DAC resistor arrays.

• Fully Differential 24Bit R2R DAC: Composed of 192 ultra-precise 0.1% thin-film resistors for a unique analog-like timbre.
• Specially-designed DC/AC Dual Power Supplies: Built-in 30W switching power supply with alloy nickel-plated shielding, plus an external DC power input option for cleaner power.
• ELNA RA3 Audiophile-grade Electrolytic Capacitors: Ensures a pure, stable power supply for warm and natural sound.
• Fully Balanced Audio AmpCircuitu di lificatore: Utilizes fully differential signal processing for excellent interference rejection, minimal distortion, and high dynamic range.

4. Setup

Cunnessione di putenza

1. Connect the provided AC power cord to the AC Power Input on the rear panel of the K13 R2R.
2. Plug the other end of the AC power cord into a suitable wall outlet.
3. Alternatively, for an external DC power supply, connect a 12V-2.5A (or greater) supply with a 5.5*2.1mm connector to the DC IN port.

Cunnessioni Audio

Choose the appropriate connection method based on your audio source and output devices.

• Cunnessione USB: Connect your computer or other USB audio source to the USB IN (Type-C) port using the provided USB data cable.
• Cunnessione ottica/coassiale: Connect your digital audio source (e.g., CD player, TV) to the Optical Input or Coaxial Input ports.
• Output per cuffie: Connect your headphones to either the 6.35mm Single-Ended or 4.4mm Balanced Headphone Output on the front panel. Use the provided adapter if necessary.
• Output di linea: Connect the Balanced XLR Output or RCA Line Out to your amplifier o parlanti attivi.

Abbinamentu Bluetooth

The FiiO K13 R2R supports high-resolution Bluetooth 5.4 streaming.

1. Assicuratevi chì l'antenna Bluetooth sia attaccata currettamente à u pannellu posteriore.
2. Power on the FiiO K13 R2R.
3. Press the Menu/Input knob to cycle through input modes until 'BT' (Bluetooth) is selected on the display.
4. On your mobile device or Bluetooth player, enable Bluetooth and search for available devices.
5. Select 'FiiO K13 R2R' from the list to pair. Once connected, the display will indicate a successful Bluetooth connection.

5. Operating Instructions

Operazione basica

• Accensione / spegnimentu: Press the power button (usually integrated with the Menu/Input knob or a dedicated button) to turn the device on or off.
• Controlu di u voluminu: Rotate the Volume Knob on the front panel to adjust the output volume for headphones or line outputs.
• Selezzione di input: Press the Menu/Input knob to cycle through available input sources (USB, Optical, Coaxial, Bluetooth). The selected input will be shown on the display.

NOS/OS Dual Modes

The K13 R2R offers two distinct operating modes for audio processing:

Figure 6: Illustration of NOS (Non-Oversampling) and OS (Oversampling) modes.

• NOS (Non-Oversampling) Mode: Preserves the original sampling rate for a pure, natural, and organic sound.
• OS (Oversampling) Mode: Upsamples audio to 384kHz for improved audio metrics, delivering finer and clearer sound.
• To switch between modes, navigate through the device's menu using the Menu/Input knob.

10-Band High-Precision PEQ

Customize your sound with the integrated 10-band Parametric Equalizer (PEQ).

Figura 7: Esample of the 10-band high-precision PEQ interface.

• The PEQ can be accessed and customized via the FiiO Control app or a web interfaccia.
• Adjust 10 frequency bands to tailor the sound to your preference or correct headphone response.
• Access presets like vintage PEQ or share EQ profiles.

6. Mantenimentu

• Pulizia: Aduprate un pannu dolce è asciuttu per pulisce l'esternu di u dispusitivu. Evitate l'usu di detergenti liquidi o solventi.
• Conservazione: Conservate l'apparechju in un locu frescu è asciuttu, luntanu da a luce diretta di u sole è da temperature estreme.
• Trattamentu: Maneghjà u dispusitivu cun cura per impedisce danni da cadute o impatti.

7. Risoluzione di prublemi

• Nisuna uscita di sonu:
  • Check all cable connections (power, input, output) are secure.
  • Ensure the correct input source is selected on the K13 R2R.
  • Verificate chì u livellu di u vulume ùn sia micca impostu à u minimu o silenziatu.
  • Pruvate cù diverse cuffie o altoparlanti per isolà u prublema.
• Problemi di cunnessione Bluetooth:
  • Ensure the K13 R2R is in Bluetooth pairing mode.
  • Move your mobile device closer to the K13 R2R to improve signal strength.
  • Forget the device on your mobile device's Bluetooth settings and attempt to re-pair.
• Audio distortu:
  • Verificate a qualità di a fonte audio.
  • Ensure the volume is not set too high, causing clipping.
  • Verify that the correct sampling rate is being used.

8. Specificazioni

9. Garanzia è Support

For warranty information, technical support, and further assistance, please refer to the official FiiO websitu o cuntattate direttamente u so serviziu clienti. Conservate a vostra ricevuta d'acquistu per e richieste di garanzia.

FiiO ufficiale Websitu: www.fiio.com