HIFIMAN EF600 Desktop Balanceret Hovedtelefon DAC & Amplivligere brugervejledning

1. Introduktion

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.

Figur 1.1: Forside view of the HIFIMAN EF600 unit.

2. Sikkerhedsoplysninger

• Læs alle instruktioner, før du betjener enheden.
• Hold enheden væk fra vand, fugt og ekstreme temperaturer.
• Forsøg ikke selv at skille enheden ad eller reparere den. Overlad al service til kvalificeret personale.
• Sørg for korrekt ventilation omkring enheden for at forhindre overophedning.
• Brug kun den specificerede strømforsyning og kabler.
• Adjust volume levels responsibly to protect your hearing.

3. Pakkens indhold

Bekræft at alle varer er til stede i pakken:

• HIFIMAN EF600-enhed
• Strømkabel
• USB Cable (Type-A to Type-B or Type-C)
• Brugervejledning (dette dokument)

4. Produktfunktioner

• 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.
• Optimeret termisk design: 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.
• Alsidig tilslutning: 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. Kontrolelementer og forbindelser

5.1 Frontpanel

Figur 5.1: Betjeningselementer og indikatorer på frontpanelet.

• Gain/OS Indicators: Display current gain mode (High/Low) and Oversampling (OS) or Non-Oversampling (NOS) status.
• Inputindikatorer: Show the active input source (USB/Coaxial, Bluetooth, RCA, Balanced In).
• Input Selectors (Left/Right): Buttons to cycle through available input sources.
• Lydstyrkekontrol: Rotary knob to adjust output volume.
• XLR 4-Pin Balanced Headphone Output: Til balancerede hovedtelefoner.
• 6.35mm Single-ended Headphone Output: For single-ended headphones.

5.2 Bagpanel

Figur 5.2: Tilslutninger på bagpanel.

• Bluetooth-antenne: Til trådløs Bluetooth-forbindelse.
• USB-B-indgang: Connect to a computer or other USB audio source.
• Type-C input: Connect to devices with USB-C output.
• Koaksial indgang: Digital lydindgang.
• 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 ampløftere eller aktive højttalere.
• Strømforbindelse: Til tilslutning af AC-strømkablet.
• Afbryderen: For at tænde eller slukke for enheden.

Figure 5.3: Front and rear panel overview with OS compatibility notes.

6. Opsætning

6.1 Placering

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 Strømtilslutning

1. Before connecting the power cable, locate the AC 115V/230V voltage vælgerkontakt på bagpanelet.
2. Ensure the switch is set to the correct voltage for your region (e.g., AC 115 for North America, AC 230 for Europe).


Figur 6.2: AC Voltage Vælger.

3. Connect the provided power cable to the power connector on the rear panel and then to a suitable AC power outlet.

6.3 Tilslutning af lydkilder

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.
• Koaksial: Connect digital audio sources such as CD players or media streamers via a coaxial cable.
• RCA Single-ended Input: Connect analog audio sources like preampløftere eller phono stages using RCA cables.
• XLR Balanced Input: For high-quality analog balanced audio input from compatible sources.

6.4 Connecting Headphones or External Amplivførere

The EF600 provides several output options:

• XLR 4-Pin Balanced Headphone Output: For headphones equipped with a 4-pin XLR balanced connector.
• 6.35mm Single-ended Headphone Output: 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 eller aktive højttalere.
• RCA Single-ended Output (L/R): To connect the EF600's DAC output to an external single-ended amplifier eller aktive højttalere.

7. Betjening

7.1 Tænd/sluk

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 Indgangsvalg

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 Gain Settings

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 Lydstyrkekontrol

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 Bluetooth -parring

1. Ensure the Bluetooth antenna is securely attached to the rear panel.
2. Select Bluetooth as the input source using the front panel input selector. The Bluetooth indicator LED will illuminate.
3. On your source device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
4. Select 'HIFIMAN EF600' from the list of devices to pair.
5. Once paired, the Bluetooth indicator LED on the EF600 may change status (e.g., solid light) to confirm connection.
6. The EF600 supports various Bluetooth codecs, including aptX-HD, for high-quality wireless audio.

Figure 7.1: Supported Bluetooth codecs.

8. Vedligeholdelse

• Rensning: Use a soft, dry cloth to clean the exterior of the unit. Avoid using liquid cleaners or solvents.
• Ventilation: Ensure that the ventilation openings are not blocked by dust or debris. Periodically clean them with a soft brush or compressed air.
• Opbevaring: Hvis enheden opbevares i længere tid, skal den afbrydes fra strømmen og opbevares et køligt og tørt sted.

9. Fejlfinding

10. Specifikationer

Figur 10.1: Produktmål.

11. Garanti og support

HIFIMAN products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official HIFIMAN webwebstedet eller kontakt deres kundeservice direkte. Gem din købsbevis til garantikrav.