HIFI DAC Coaxial Optical USB Asynchronous TE7022L Tube Decoder Amplifier with Headphone Amp 6N3Previous Next
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Important: Import duties, taxes and other customs related charges all are not included into shipping cost . Buyers bear all responsibility for all extra charges incurred (if any).
HIFI DAC Coaxial Optical USB Asynchronous TE7022L Tube Decoder Amplifier with Headphone Amp 6N3
Model No: WVDA-01A
It is a HIFI digital decoder with vacuum tube output and headphone amplifier output, which adopt LF353N plus transistors amplifier tube 2690 and 1220. Digital and digital to analog conversion adopt receiver AK4418, AK4490 as decoding and USB part is TE7022L, and active crystal to reduce the USB port clock jitter.
The unit adopts a tube 6N3 (can be replaced by 5670 directly) with warm and mellow tone sound style. High voltage and filament are regulated DC power supply.
Digital and analog part of the independent power regulator rectifier filter to reduce interference.
In addition to the USB port supports 24bit, 96K, coaxial, fiber optic, BNC really support 24bit, 192K!
1. The unit has four digital signal input switching: BNC, coaxial, fiber optic, USB. And it has two unbalanced stereo RCA output: Normal output, tube buffer output. With convenient tube amp or transistor amplifier, you can get different effects.
2. Main amplifier board with two layer designed, production of fine.
3. The resistors and capacitors do not adopt SMD components, but are of high quality discrete HIFI component assembled, so the sound quality can be guaranteed. The unit uses a lot of HIFI components like as the light tone DALE metal film resistors, Germany WIMA polypropylene capacitors, Suren capacitor, CBB subminiature metalized polypropylene capacitors, monolithic capacitors. Never using of polyester, tiles and other common components. Thus ensuring pure sound, high resolving power, small bass, and a wide sound field and so on.
4. Indicator with blue LED.
5. Uses superior performance of R-type transformer power supply (generally only use high-end models only), although the cost ratio circular, square transformer greatly increased, but high efficiency, small magnetic leakage.
6. Digital and analog part of the independent power regulator rectifier filter to reduce interference.
7. Gold plating for the terminals of RCA analog inputs, RCA line outputs, plated coaxial ports, reduce the contact resistance.
1. Headphone output power: 1000mW-300mW
2. Headphone Output Impedance: 32 - 600 Ohms
3. Input Impedance: 75 ohms digital
4. Frequency response: 20Hz-30KHz
5. Output Level: 2000mV
6. Dynamic range: 117dB
7. S/N ratio: Normal port output: 96dB
Tube port output: 90dB
8. THD: General port output: <0.001%
Tube port output: <0.1%
9. Line Output impedance: 600 ohms
10. Supports 16bit, 20bit, 24bit digital stream
11. supports the following sampling frequencies: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192KHz
12. Decoding: AK4490
13. Receive: AK4418
14. USB: TE7022L
15. Headphone amplifier: LF353N plus transistors amplifier tube 2690 and 1220
16. Input voltage: 110V-220V/50Hz
17. Panel color: Black or Gold
18. Dimensions (W*D*H): 260mm * 167mm * 55mm (excluding knob, machine feet, connector size)
19. Net Weight: about 1.8Kg
20. Package: multi-layer high-strength corrugated carton
Power cord x 1
Manual x 1
1. The decoder input voltage is fixed 220V as the default when shipping, 110V voltage or require additional 110/220V voltage switch comes at the time of purchase, please specify.
2. The decoder comes with volume control only controls the headphone output section, two line outputs without volume control decoder.
3. The decoder output signal level is approximately 2000 mV, and desktop CD standard flat.
4. In the case of the same sources, the use of fiber-optic cable resolving power, layering would be better, and the use of coaxial cable is slightly biased warm.
5. The unit is a pure two-channel stereo music decoder, but different brand DVD player may set a different default encoding, if it is a multi-channel encoded DVD players, multi-channel disc playback settings need to be changed to two-channel of PCM format output, otherwise the situation of no disc and no sound may occur.
6. If the CD player is not good quality, digital waveform output is not good, that may affect the sound quality. Although the inside of the unit has been done on the input waveform re-shaping, or a slight gap. Select manufacturer recommends regular DVD quality to make sure functions.
7. If the amplifier is a tube amp, the proposed common output port connected to the unit. Recommendations tube output port connected to a transistor amplifier. Compare this with reasonable complement each other.
8. If the amplifier connected simultaneously CD player and decoder, the decoder also connected CD player, they may cause hum, then just unplug the way in which you can (rarely someone connected). Do not use the same one CD player, will not have this phenomenon, which is a digital decoder will exist phenomenon.
9. We strongly recommend the use of high-quality shielded signal cable, including coaxial machine signals over cable, USB cable and so on. Wire, shielded wire or not poor, it may lead to noise and affect the quality and stability of the amplifier equipment work.
10.When access to USB-HUB, may result in not working properly, or noise, it is advisable not to use the HUB.
11. When connected to the computer USB port, part of the computer, if they have hum, the computer may be caused by the switching power supply or ground. Then just put the computer to use a separate power supply junction box in addition, can be extended (and other devices do not share an outlet box), which is all digital decoder connected to the computer are likely to arise.
12.When connected to a computer via USB, will detect the device is 16bit, 44.1KHZ, this is normal, because almost all USB chips are 16, but the machine just use USB chip receives data into digital signals re-enter the 24 decoder chip.
13.Due to the non-audio USB interface to a dedicated interface, compared with the optical fiber, coaxial interface or to sound less certain. Furthermore the quality of the audio programs downloaded from the Internet high and low, and cannot compare with CD.
14.Each input signal interface of the unit, the line output section has two outputs: a group of normal output, a tube buffered output. Some independent headphone amplifier, without tubes.
How to set up when the DAC connected PC or laptop to play music
1. When the DAC connect with PC or laptop to play music, you will set up it as following first. Click the button of speaker on the screen with right button of your mouse.
2. Then, set up xiangsheng TE7022 Audio as the default, then you can play music from your music player.
3. After select the xiangsheng TE7022 Audio, click the button of attribution to the format of playback stream as below.
Applications by HIFI Audiphies
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