1. Introducció
The HIFIMAN EF600 is a high-performance desktop balanced headphone DAC (Digital-to-Analog Converter) and amplifier. It integrates HIFIMAN's HYMALAYA PRO R2R DAC technology with a powerful headphone amplifier, offering versatile connectivity options including XLR, RCA, 6.35mm outputs, and high-resolution Bluetooth audio. Designed for home audio environments, the EF600 also functions as a headphone stand, combining functionality with a distinctive aesthetic.
Figura 1.1: Frontal view of the HIFIMAN EF600 unit.
2. Informació de seguretat
- Llegiu totes les instruccions abans d'utilitzar el dispositiu.
- Manteniu el dispositiu allunyat de l'aigua, la humitat i les temperatures extremes.
- No intenteu desmuntar ni reparar la unitat vosaltres mateixos. Encarregueu tot el manteniment a personal qualificat.
- Assegureu-vos una ventilació adequada al voltant de la unitat per evitar el sobreescalfament.
- Use only the specified power supply and cables.
- Adjust volume levels responsibly to protect your hearing.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- Unitat HIFIMAN EF600
- Cable d'alimentació
- USB Cable (Type-A to Type-B or Type-C)
- Manual d'usuari (aquest document)
4. Característiques del producte
- HYMALAYA PRO R2R DAC: Features advanced R2R DAC technology for low distortion, low noise, and efficient power consumption.
- Powerful Balanced Output: Delivers 5.12W per channel, suitable for driving a wide range of headphones.
- Disseny tèrmic optimitzat: Engineered with a tower case design for convection cooling, placing the center of gravity at the bottom and cooling at the top for stable operation.
- Connectivitat versàtil: Includes USB-B, USB-C, Coaxial, RCA, and Balanced XLR inputs, along with XLR 4-pin balanced and 6.35mm single-ended headphone outputs, and XLR balanced/RCA single-ended line outputs.
- High-Resolution Bluetooth: Supports multiple Bluetooth codecs, including aptX-HD, for high-fidelity wireless audio streaming.
- Integrated Headphone Stand: The unit's design allows it to function as a convenient headphone stand.
Figure 4.1: Internal design and thermal management of the EF600.
5. Controls i connexions
5.1 Tauler frontal
Figura 5.1: Controls i indicadors del panell frontal.
- Gain/OS Indicators: Display current gain mode (High/Low) and Oversampling (OS) or Non-Oversampling (NOS) status.
- Indicadors d'entrada: Show the active input source (USB/Coaxial, Bluetooth, RCA, Balanced In).
- Input Selectors (Left/Right): Buttons to cycle through available input sources.
- Control de volum: Rotary knob to adjust output volume.
- Sortida d'auriculars balancejada XLR de 4 pins: Per a auriculars balancejats.
- Sortida d'auriculars d'un sol extrem de 6.35 mm: For single-ended headphones.
5.2 Panell posterior
Figura 5.2: Connexions del panell posterior.
- Antena Bluetooth: For wireless Bluetooth connectivity.
- Entrada USB-B: Connect to a computer or other USB audio source.
- Entrada tipus C: Connect to devices with USB-C output.
- Entrada coaxial: Digital audio input.
- XLR Balanced Input (L/R): Analog balanced audio input.
- RCA Single-ended Input (L/R): Analog single-ended audio input.
- XLR Balanced Output (L/R): Analog balanced line output to external ampaltaveus o altaveus actius.
- Connector d'alimentació: For connecting the AC power cable.
- Interruptor d'alimentació: Per encendre o apagar la unitat.
Figura 5.3: Panell frontal i posteriorview with OS compatibility notes.
6. Configuració
6.1 Col·locació
Place the EF600 on a stable, flat surface. Ensure adequate space around the unit for proper ventilation, especially at the top, to facilitate convection cooling. The unit's design allows it to serve as a headphone stand, providing a convenient storage solution for your headphones.
Figure 6.1: EF600 used as a headphone stand.
6.2 Connexió d'alimentació
- Before connecting the power cable, locate the AC 115V/230V voltage interruptor selector al panell posterior.
- Ensure the switch is set to the correct voltage for your region (e.g., AC 115 for North America, AC 230 for Europe).
- Connect the provided power cable to the power connector on the rear panel and then to a suitable AC power outlet.
Figura 6.2: AC Voltage Selector.
6.3 Connexió de fonts d'àudio
The EF600 offers multiple input options:
- USB-B / USB-C: Connect your computer, smartphone, or other digital audio source using a compatible USB cable. For Windows 10 and earlier operating systems, additional drivers may be required.
- Coaxial: Connect digital audio sources such as CD players or media streamers via a coaxial cable.
- RCA Single-ended Input: Connect analog audio sources like preamplifiers o fono stages using RCA cables.
- XLR Balanced Input: For high-quality analog balanced audio input from compatible sources.
6.4 Connexió d'auriculars o dispositius externs Ampaixecadors
The EF600 provides several output options:
- Sortida d'auriculars balancejada XLR de 4 pins: For headphones equipped with a 4-pin XLR balanced connector.
- Sortida d'auriculars d'un sol extrem de 6.35 mm: For headphones with a standard 6.35mm (1/4 inch) single-ended connector.
- XLR Balanced Output (L/R): To connect the EF600's DAC output to an external balanced amplifier o altaveus actius.
- RCA Single-ended Output (L/R): To connect the EF600's DAC output to an external single-ended amplifier o altaveus actius.
7. Funcionament
7.1 Encès/Apagat
Flip the power switch on the rear panel to the 'ON' position to power on the unit. Flip it to 'OFF' to power down.
7.2 Selecció d'entrada
Use the Left and Right Input Selector buttons on the front panel to cycle through the available input sources (USB/Coaxial, Bluetooth, RCA, Balanced In). The active input will be indicated by the corresponding LED on the front panel.
7.3 Configuració del guany
The EF600 features different gain modes (High Gain, Low Gain) and Oversampling (OS) or Non-Oversampling (NOS) modes. These settings can be selected via the input selector buttons, and their status is indicated by the LEDs on the front panel. Experiment with these settings to find the optimal sound for your headphones and preferences.
7.4 Control de volum
Rotate the large volume knob on the front panel to adjust the output level of the connected headphones or line outputs. Start with a low volume and gradually increase it to a comfortable listening level.
7.5 Vinculació Bluetooth
- Ensure the Bluetooth antenna is securely attached to the rear panel.
- Select Bluetooth as the input source using the front panel input selector. The Bluetooth indicator LED will illuminate.
- On your source device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
- Select 'HIFIMAN EF600' from the list of devices to pair.
- Once paired, the Bluetooth indicator LED on the EF600 may change status (e.g., solid light) to confirm connection.
- The EF600 supports various Bluetooth codecs, including aptX-HD, for high-quality wireless audio.
Figure 7.1: Supported Bluetooth codecs.
8. Manteniment
- Neteja: Use a soft, dry cloth to clean the exterior of the unit. Avoid using liquid cleaners or solvents.
- Ventilació: Ensure that the ventilation openings are not blocked by dust or debris. Periodically clean them with a soft brush or compressed air.
- Emmagatzematge: Si guardeu la unitat durant un període prolongat, desconnecteu-la de l'alimentació i guardeu-la en un lloc fresc i sec.
9. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power cable not connected; Power switch off; Incorrect voltage selector setting. | Ensure power cable is securely connected. Turn power switch ON. Verify AC voltage selector is set correctly for your region. |
| No hi ha so dels auriculars | Incorrect input selected; Volume too low; Headphones not properly connected; Faulty headphones. | Select the correct input source. Increase volume. Ensure headphones are fully plugged in. Test with another pair of headphones. |
| L'aparellament de Bluetooth falla | Bluetooth not selected as input; Device too far; Interference; EF600 already paired to another device. | Select Bluetooth input. Move source device closer. Ensure no metal objects are near the EF600's antenna. Disconnect from other devices. |
| Àudio distorsionat | Source audio quality; Incorrect gain setting; Volume too high; Faulty cable. | Check source audio quality. Adjust gain settings. Reduce volume. Try a different cable. |
| USB input not recognized | Incorrect USB cable; Driver issue (Windows); USB input not selected. | Try a different USB cable. Install necessary drivers for your operating system (if applicable). Select USB input. |
10. Especificacions
| Característica | Especificació |
|---|---|
| Nom del model | EF600 |
| Tecnologia de connectivitat | Amb cable, sense fil (Bluetooth) |
| Tecnologia de comunicació sense fils | Bluetooth (supports aptX-HD, LDAC, AAC, SBC) |
| Conector d'auriculars | 6.35 mm, XLR 4-pin |
| Potència de sortida | 5.12W per channel (Balanced) |
| Interval de freqüència | 20 Hz - 20,000 Hz |
| Impedància | 32 Ohm (typical headphone impedance) |
| Material | Metall |
| Dimensions del producte | 4.09 x 6.5 x 11.14 polzades (104 x 165 x 283 mm) |
| Pes de l'article | 6.34 lliures (2.88 quilograms) |
| Fabricant | HIFIMAN |
Figura 10.1: Dimensions del producte.
11. Garantia i Suport
HIFIMAN products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official HIFIMAN weblloc web o contacteu directament amb el servei d'atenció al client. Conserveu el comprovant de compra per a reclamacions de garantia.
