TOPPING E70 Velvet High-Performance DAC User Manual

1. Introducció

The TOPPING E70 Velvet is a high-performance Digital-to-Analog Converter (DAC) designed to deliver exceptional audio fidelity. Featuring the AK4499EX DAC chip, Bluetooth 5.1 with LDAC support, and versatile input/output options, the E70 Velvet provides a pristine listening experience for audiophiles and music enthusiasts. This manual provides detailed instructions for setting up, operating, and maintaining your E70 Velvet DAC.

2. Informació de seguretat

• No desmunteu ni modifiqueu el dispositiu. Les modificacions no autoritzades poden anul·lar la garantia i plantejar riscos per a la seguretat.
• Manteniu el dispositiu allunyat de l'aigua, la humitat i les temperatures extremes.
• Assegureu-vos una ventilació adequada al voltant del dispositiu per evitar el sobreescalfament.
• Feu servir només l'adaptador d'alimentació i els cables especificats.
• Eviteu col·locar objectes pesats a sobre del dispositiu.
• Desconnecteu el cable d'alimentació durant tempestes amb llamps o quan no l'utilitzeu durant períodes prolongats.

3. Contingut del paquet

Si us plau, reviseu el paquet acuradament per assegurar-vos que tots els articles hi són i estan en bon estat:

Image: The package contents of the TOPPING E70 Velvet. This includes the E70 Velvet DAC unit, a remote control, a USB cable, a power cable, a Bluetooth antenna, a user manual, and a warranty card.

• TOPPING E70 Velvet DAC Unit
• Control remot
• Cable USB
• Cable d'alimentació
• Antena Bluetooth
• Manual d'usuari (Guia d'inici ràpid)
• Targeta de garantia

4. Producte acabatview

4.1 Tauler frontal

Imatge: Frontal view of the TOPPING E70 Velvet DAC, showing the display screen, power/select button, and a large rotary knob on the right.

• Pantalla de visualització: Shows current input, sampling rate, and output level.
• Botó d'encesa/selecció: Press to power on/off, short press to cycle through inputs.
• Pom giratori: Adjusts volume in preamplifier mode, navigates menus.

4.2 Panell posterior

Imatge: Part posterior view of the TOPPING E70 Velvet DAC, displaying various input and output ports including XLR, RCA, Coaxial, Optical, USB, Bluetooth antenna connector, 12V Trigger, and power input.

• XLR Outputs (L/R): Balanced audio output.
• RCA Outputs (L/R): Single-ended audio output.
• Entrada coaxial: Entrada d'àudio digital.
• Entrada òptica (TOSLINK): Entrada d'àudio digital.
• Entrada USB: For connecting to computers or mobile devices.
• BT (Bluetooth) Antenna Connector: For Bluetooth signal reception.
• 12V Trigger (IN/OUT): For synchronized power control with other compatible devices.
• Entrada d'alimentació: 100-240V AC 50-60Hz.

5. Configuració

5.1 Connexió d'alimentació

1. Connect the provided power cable to the power input on the rear panel of the E70 Velvet.
2. Connecteu l'altre extrem del cable d'alimentació a una presa de corrent de CA adequada.

5.2 Connexions d'entrada d'àudio

Choose the appropriate input based on your source device:

• USB: Connect a USB cable from your computer (Windows, Mac, Linux), iOS, or Android device to the USB input on the E70 Velvet. For Windows, a driver may be required (see section 5.4).
• Coaxial/Òptic: Connect a coaxial or optical cable from your digital audio source (e.g., CD player, streamer) to the corresponding input on the E70 Velvet.
• Bluetooth: Screw the provided Bluetooth antenna onto the BT connector on the rear panel.

5.3 Connexions de sortida d'àudio

Connect the E70 Velvet to your amplifier or active speakers:

Imatge: Una imatge detallada view of the balanced XLR (left) and single-ended RCA (right) output ports on the rear of the E70 Velvet DAC.

• Sortida balancejada (XLR): For optimal performance, connect XLR cables from the E70 Velvet's XLR outputs to the balanced inputs of your ampmés viu.
• Single-Ended Output (RCA): Connect RCA cables from the E70 Velvet's RCA outputs to the single-ended inputs of your ampmés viu.
• Both XLR and RCA outputs can be used simultaneously.

5.4 Instal·lació del controlador (només per a Windows)

For Windows operating systems, a specific driver is required for optimal USB audio performance (ASIO applications). Mac, Linux, iOS, and Android systems are driver-free.

1. Download the latest driver from the official TOPPING weblloc (www.topping.audio).
2. Executeu l'instal·lador i seguiu les instruccions a la pantalla.
3. Després de la instal·lació, reinicieu l'ordinador si se us demana.

Image: A screenshot illustrating the Windows sound settings interface, showing options for selecting audio playback devices and their properties, relevant for driver installation and configuration.

Connexió del disparador de 5.5 12V

The 12V Trigger interface allows the E70 Velvet to synchronize power on/off with other compatible devices, such as the TOPPING L70 ampmés viu.

• Connect a 3.5mm trigger cable from the 12V Trigger OUT of the E70 Velvet to the 12V Trigger IN of your other device.
• When the E70 Velvet powers on/off, the connected device will follow suit.

6. Instruccions de funcionament

6.1 Encès/Apagat

• Press the power/select button on the front panel or the power button on the remote control to turn the device on or off.
• The E70 Velvet also features an Encès/Apagat automàtic function, which automatically powers the unit on when a valid signal is detected and off after a period of inactivity.

6.2 Selecció d'entrada

• Short press the power/select button on the front panel to cycle through available inputs (USB, Coaxial, Optical, Bluetooth).
• Alternatively, use the input selection buttons on the remote control.

6.3 DAC Mode vs. PreampMode lifier

The E70 Velvet can operate in two modes:

• Mode DAC: Provides a fixed output level, ideal when connecting to an amplifier with its own volume control.
• PreampMode lifier: Allows you to adjust the output volume from -99dB to 0dB using the front panel rotary knob or the remote control. This is useful when connecting directly to power ampaltaveus o altaveus actius.

Switching between modes is typically done via the device's menu settings, accessible through the rotary knob or remote.

Image: The TOPPING E70 Velvet DAC positioned between two white active speakers, with its remote control in the foreground, demonstrating a typical setup for preampmode lifier.

6.4 Vinculació Bluetooth

1. Assegureu-vos que l'antena Bluetooth estigui connectada.
2. Select Bluetooth as the input source on the E70 Velvet.
3. On your mobile device or computer, search for Bluetooth devices and select "TOPPING E70 Velvet" to pair.
4. Once paired, audio from your device will be streamed to the E70 Velvet.

7. Característiques i tecnologies clau

7.1 AK4499EX DAC Chipset

The E70 Velvet utilizes the flagship AK4499EX DAC chip, known for its exceptional sound quality and low noise performance. This, combined with a low-noise voltage reference power supply, ensures ultra-clear audio reproduction.

Image: A close-up internal view of the TOPPING E70 Velvet's circuit board, highlighting the AK4499EX DAC chip and associated low-noise voltage reference power supply components.

7.2 Ultra-Low THD+N

The E70 Velvet boasts an incredibly low Total Harmonic Distortion + Noise (THD+N) of less than 0.00006% (A-weighted). This ensures that the audio signal is reproduced with extreme accuracy and minimal distortion, preserving every detail of the music.

Image: A technical graph displaying the THD+N and SINAD measurements of the TOPPING E70 Velvet, demonstrating its ultra-low distortion and noise performance.

7.3 XMOS XU316 USB Interface

Equipped with the advanced XMOS XU316 USB input, the E70 Velvet supports high-resolution audio formats including DSD512 and PCM up to 768kHz. This ensures wide compatibility with various operating systems and high-fidelity audio playback.

Image: A close-up photograph of the XMOS XU316 chip, a key component for USB audio processing, mounted on the circuit board of the E70 Velvet.

7.4 Bluetooth 5.1 with LDAC

The E70 Velvet features Bluetooth 5.1 connectivity with support for high-resolution codecs like LDAC, AAC, SBC, and aptX. The signal is digitally transmitted to the AK4499EX DAC for optimal wireless sound quality, certified by Hi-Res Audio Wireless.

8. Manteniment

• Neteja: Feu servir un drap suau i sec per netejar l'exterior del dispositiu. No utilitzeu netejadors líquids ni materials abrasius.
• Emmagatzematge: Quan no l'utilitzeu durant períodes prolongats, guardeu el dispositiu en un lloc fresc i sec, allunyat de la llum solar directa i de la pols.
• Ventilació: Ensure the ventilation holes are not blocked to prevent overheating.

9. Solució De Problemes

10. Especificacions

11. Garantia i Suport

The TOPPING E70 Velvet comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including warranty duration and coverage details.

For technical support, troubleshooting assistance, or warranty claims, please contact TOPPING customer service through their official website or the retailer from whom you purchased the product. You can find more information and contact details on the official TOPPING weblloc: www.topping.audio.