USB DAC decoding PCM2706 + AD1852 + SOLO Headphone Amplifier DAC Finished Machine

USB DAC Decoding PCM2706 + AD1852 + SOLO Headphone Amplifier DAC Finished Machine

Note: there are two types:    
- Decoder chip AD1852, suitable for modern music , LF fierce.    
- Decoder chip is CS4398, suitable for classical music , female.
Pls leave a message which do you need? Much thanks!    
 
Description:
- USB receiver using the current most used PCM2706 enthusiasts    
(USB = 44.1K, 48K sampling 16BIT)    
- DAC decoding using the same level with the AD1955 AD1852,    
- ADI 1852 is one of the masterpieces of the new generation of DA , CD player in senior , DVD has a presence. British treasure more famous G-series CD player. MERIDIAN G06, MERIDIAN G07 , etc. , (G series are about 30,000 yuan a CD player , the skill is not visible AD1852 general )    

AD1852 features:    
- LF : loose elastic.    
- IF : sound than the fine , mellow.    
- HF: neutral to slightly soft, sweet    
- Sound at the end is very clean , very clear voice lines , high resolving power , very accurate positioning instrument , the human voice is more sweet .    
- Headphone amp section is a reference to the name of machine (SOLO) design , (SOLO amp price around 4000. )    
- All materials are fever level .    
- The machine 's DAC output with the same taste bile AD OP275 op amp , headphones and partly OP275 op amp , good compatibility with the same company IC bile rich flavor .    
 
Using the most high-fidelity circuit design by:    
 - "USB ----- I2S ------- decoding ." Reduce intermediate conversion, distortion to a minimum.