Aune X8 18th Anniversary Edition-BT DAC User Manual

1. Киришүү

The Aune X8 18th Anniversary Edition-BT is a high-performance Digital-to-Analog Converter (DAC) designed for audiophiles. This device features high-resolution audio decoding up to 32bit/768k and DSD512, a unique op-amp replaceable design for sound customization, and multiple input/output options including USB, coaxial, optical, Bluetooth 5.1 (with aptX-HD and LDAC support), RCA preamp/line out, and balanced TRS output. This manual provides detailed instructions for setup, operation, and maintenance of your Aune X8 XVIII-BT DAC.

Сүрөт 1.1: Алдыңкы view of the Aune X8 18th Anniversary Edition-BT DAC.

2. Продукт бүтүп калдыview

2.1 Негизги өзгөчөлүктөрү

• Жогорку чечилиштеги аудио: Supports up to 32bit/768k PCM and DSD512.
• Оп-Amp Алмаштырылган дизайн: Allows users to customize sound characteristics by replacing the dual op-amp.
• FPGA Core Design: Utilizes FPGA technology for purer digital signals and enhanced sound quality.
• Ар тараптуу киргизүүлөр: USB, Optical, Coaxial, and Bluetooth 5.1 (aptX-HD, LDAC).
• Бир нече чыгуулар: RCA Preamp Out, RCA Line Out, and Balanced TRS Preamp Out.
• 7 Filter Modes: Provides various sound filtering options.

2.2 Controls and Connections

Image 2.1: Front and Rear Panel Layout of the Aune X8 XVIII-BT DAC.

Алдыңкы панели:

• Тандоо баскычы: Used to cycle through input sources.
• Индикатор жарыктары: Display the currently selected input (USB, OPT, COAX, A, B, C, D, MN).
• Үн баскычы: Controls the output volume for the preamp чыгаруу.

Арткы Panel:

• TRS Output (L/R): Balanced TRS preamp output for professional audio connections.
• RCA Preamp Out (L/R): Variable RCA output for connecting to power ampкөтөргүчтөр же активдүү спикерлер.
• RCA линиясынын чыгышы (сол/оң): Fixed level RCA output for connecting to integrated ampкөтөргүчтөр же алдын алаampаман калгандар.
• Коаксиалдуу киргизүү: Санариптик аудио киргизүү.
• Оптикалык киргизүү: Санариптик аудио киргизүү.
• USB киргизүү: For connecting to computers or portable devices.
• Bluetooth антеннасы (ANT): For Bluetooth signal reception (Bluetooth version only).
• Power Switch (SW): Аппаратты күйгүзөт же өчүрөт.
• Power Input (DC): Берилген кубат адаптерине туташат.

3. Орнотуу

3.1 Баштапкы туташуу

1. Берилген кубат адаптерин туташтырыңыз Кубат киргизүү (DC) on the rear panel and then to a suitable power outlet.
2. Connect your audio output device (e.g., power amplifier, active speakers, headphone amplifier) to the appropriate output on the X8 XVIII-BT DAC:
   • For variable output, use RCA Preamp Out or TRS Output.
   • For fixed line level output, use RCA Line Out.

3.2 Киргизүү булактарын туташтыруу

The Aune X8 XVIII-BT DAC supports various digital audio inputs:

• USB киргизүү: Connect a USB cable from your computer, smartphone, tablet, or portable music player (with appropriate cables) to the USB киргизүү арткы панелде.
• Оптикалык киргизүү: Connect an optical cable from your digital audio source (e.g., TV, CD player, game console) to the Оптикалык киргизүү.
• Коаксиалдуу киргизүү: Connect a coaxial cable from your digital audio source to the коаксиалдуу киргизүү.
• Bluetooth киргизүү: Ensure the Bluetooth antenna is securely attached to the ANT арткы панелдеги туташтыргыч.

Image 3.1: Multi-Connectivity Diagram.

4. Операция

4.1 Күйгүзүү/өчүрүү

Flip the Power Switch (SW) on the rear panel to the 'ON' position to power on the device. Flip it to 'OFF' to power off.

4.2 Киргизүүнү тандоо

басыңыз Тандоо баскычы on the front panel to cycle through the available input sources (USB, OPT, COAX, Bluetooth). The corresponding indicator light will illuminate to show the active input.

4.3 Үндү башкаруу

The Көлөм баскычы on the front panel controls the output level of the RCA Preamp Out жана TRS Output. Rotate clockwise to increase volume and counter-clockwise to decrease volume. The RCA Line Out provides a fixed output level and is not affected by the volume knob.

4.4 Чыпкалоо режимдери

The X8 XVIII-BT DAC features 7 digital filter modes. These modes can be selected to fine-tune the sound characteristics according to your preference. Refer to the product's detailed specifications or Aune's official website for specific instructions on how to cycle through and select these filter modes, as the method may vary.

4.5 Bluetooth Pairing (Bluetooth Version Only)

1. Ensure the Bluetooth antenna is connected.
2. Select the Bluetooth input using the Тандоо баскычы.
3. Мобилдик түзмөгүңүздө (смартфон, планшет, ноутбук) Bluetooth иштетиңиз жана жеткиликтүү түзмөктөрдү издеңиз.
4. Select "Aune X8 XVIII-BT" (or similar) from the list of devices to pair.
5. Once paired, audio from your device will be streamed to the X8 XVIII-BT DAC.

Image 4.1: Bluetooth connectivity with portable devices.

5. Өркүндөтүлгөн функциялар

5.1 Оп-Amp Алмаштыруу

The Aune X8 XVIII-BT DAC allows for the replacement of its dual op-amp, enabling users to customize the sound signature. This feature is intended for experienced users. Exercise caution when handling electronic components.

1. Ensure the device is powered off and disconnected from the power supply.
2. Түзмөктү этияттык менен ачыңызasing according to the specific instructions provided with your unit or by Aune support.
3. Locate the existing dual op-amp.
4. Using an appropriate tool (e.g., op-amp puller), gently remove the op-amp. Note its orientation.
5. Insert the new compatible dual op-amp, ensuring correct orientation and pin alignment. Do not force the op-amp ордуна.
6. Аппаратты жабуу casing коопсуз.

Image 5.1: Op-Amp replaceable design.

Different dual op-amps can significantly alter the sound characteristics. Experiment with various compatible op-amps to find your preferred sound.

5.2 FPGA Core Design

The X8 XVIII-BT DAC incorporates Aune's proprietary FPGA (Field-Programmable Gate Array) technology. This design is implemented to process digital signals with high precision, resulting in a purer and more accurate audio reproduction.

Image 5.2: Illustration of FPGA Core Design.

6. Connectivity Scenarios

6.1 PC HiFi Setup

Connect the X8 XVIII-BT DAC to your computer via USB. This allows the DAC to process high-resolution audio files (up to 32bit/768k DSD512) from your computer, enhancing the sound quality for active speakers or headphone ampаман калгандар.

Image 6.1: PC HiFi setup with Aune X8 DAC.

6.2 Coaxial/Optical Input Setup

Utilize the coaxial or optical inputs to connect to digital transports or players. This setup supports PCM up to 384k and DSD128, providing a high-quality audio system without requiring a PC.

Image 6.2: Coaxial/Optical input setup.

6.3 Portable Device Connectivity

The X8 XVIII-BT DAC can be connected to various portable devices such as iPhones, Android phones, iPads, or portable music players via USB (corresponding cables may be needed). This provides an instant improvement in sound quality for your mobile audio experience.

Image 6.3: Portable device connectivity.

7. Техникалык шарттар

Сүрөт 7.1: Негизги өзгөчөлүктөр бүттүview.

8. Кыйынчылыктарды

• Кубат жок: Ensure the power adapter is securely connected to both the device and a working power outlet. Check the power switch on the rear panel.
• Үн жок:
  • Verify that the correct input source is selected on the DAC.
  • Check all audio cable connections between the DAC and your ampкөтөргүч/спикерлер.
  • If using preamp outputs, ensure the volume knob is not set to minimum.
  • Сиздин экенин ырастаңыз amplifier/speakers are powered on and set to the correct input.
• Intermittent Audio/Dropouts:
  • Check the quality and secureness of your digital input cables (USB, optical, coaxial).
  • For Bluetooth, ensure your source device is within range and there is no interference.
  • Try a different input source or cable to isolate the issue.
• Bluetooth туташуу маселелери:
  • Ensure the Bluetooth antenna is properly attached.
  • Make sure the DAC is in Bluetooth input mode.
  • Forget the device on your source device's Bluetooth settings and attempt to re-pair.
• Үн бурмалоо:
  • Check if the input signal level is too high, causing clipping.
  • Ensure all connections are secure and free from damage.
  • If using a replaceable op-amp, ensure it is correctly seated and compatible.

9. Техникалык тейлөө

• Тазалоо: Аппараттын сыртын тазалоо үчүн жумшак, кургак чүпүрөктү колдонуңуз. Суюк тазалагычтарды же абразивдүү материалдарды колдонуудан алыс болуңуз.
• Жайгашкан жери: Place the device on a stable, flat surface with adequate ventilation. Avoid direct sunlight, heat sources, and high humidity.
• Кабелдик башкаруу: Ensure cables are not excessively bent or strained to prevent damage.

10. Кепилдик жана колдоо

10.1 Кепилдик маалыматы

All Aune products come with a 2-year after-sales service. This warranty covers manufacturing defects and issues arising from normal use.

10.2 Сатуудан кийинки тейлөө

Aune provides a comprehensive after-sales system. Should you encounter any problems during the use of your product, please contact Aune customer support. They will assist you promptly and provide a satisfactory resolution.

10.3 Product Condition

All Aune items are new and carefully packaged. If you observe any signs of use upon receiving your product, it may be due to transit or warehouse handling. Please communicate with customer support to address such concerns.

11. Продукт видеосу