xDuoo TA-30

Description

3000mW Output Power, equipped with the professional headphone freely

Coaxial/Optical Decoding,Professional Connection

Support the coaxial/optical fiber decoding of various desk-type and portable players,Adopt AK4118 receiver chip, support PCM24Bit/192kHz, DSD64 at the highest(DOP mode)

5.0 Bluetooth Decoding, Stable Transmission

Adopt the Bluetooth 5.0 technology, using the Qualcomm CSR8675 receiver chip,Support the SBC, AAC, aptX, aptX_ LL, aptX_HD andLDAC formats.

Tube Rectificationand Amplification

Adopt 5Z3P tube for high-voltage rectification, have thick tube flavor.
Adopt ECC82 tube to process the audio, make the sound sweet and refined.

Several Input Interfaces, Be Comprehensively Equipped With Various Front-end Devices

USB DAC Decoding, Convenient Connection.

Support the USB decoding of computer, cellphone (ios/Android), tablet,HIFI player and other devices,Adopt XMOS XU208 receiver chip, supportup to PCM32Bit/768kHz, DSD512.

Note:
USB decoding of cellphone, tablet and so on, support up to PCM 32Bit/384kHz,DSD128.

Computer USB decoding, support up to PCM 32Bit/768kHz, DSD512.

Double Active Crystal Oscillator, Reshaping Data By CPLD

Adopt the double active low phase noise crystal oscillator, achieve accuratedigital-to-analogue conversion aimed atdifferent sampling rate

Adopt CPLD for data reshaping, realize the accurate clock synchronization andreduce Jitter

Refined Material Selection, Keep on Perfecting 

ES9038Q2M DAC Chip

Using the DAC chip ES9038Q2M from US ESS company, built-in Time Domain Jitter Eliminator,delivers a DNR of up to 129 dB and THD+N of -120dB.

DAC has built-in 7 PCM filters and 1 DSD filter, which are corresponding the follows:

Note:

1. The effect of the above filter is for reference only. It is subject to the practical hearing.

2.The main effect of DAC filter is to filter the useless cutter signal out of the voice frequency(above 20k), making the rear operation amplifier circuit processing audio is cleaner and more efficient. As a matter of fact, the smoothing cut-off frequency is away from the audio frequency, thus having litl influence on the sound. Sometimes, it can’ t be perceived obviously.  It is almost the same before and after adjusting. If the difference can” t be distinguished, it can be ignored.

3. lt is generally believed that human ear can’ t hear the high frequency above 20khz. However, some people believe that the high frequency of 50k or even 150k will affect the tone quality. Therefore, we will set the corresponding adjustment to meet the needs of some users.