PCB board is FR-4 military grade,

4-layer line,

2.0mm thick,

immersion gold design;

the board is same with the picture!

 

PCB size: 200mm*160mm (not with the RCA size)

 

DAC board works votlage: AC15V-0-AC15V   and  0-AC9V

 

Note: this price are for a assembeld semifinished. not include the TDA1541 IC and SAA7220 IC.

 

you received will same as the phowo show.

 

 

we can provide the PDF schematic via email.

 

 

   Selected enthusiast components: the digital part uses the American AB non-inductive carbon resistor, the power supply and analog part use Taiwan high precision 15PPM, error 0.1% metal film resistor; the film capacitor is mainly used by WIMA brand, some use  , ERO; the main electrolysis is Nikon 63V3300uF, the Decoupling is used 120uF, the IC seat is all genuine Taiwan Linggong gold-plated round hole carrier, 6pcs original imported genuine JRC5534DD opamp.

 

  

  The board has been debugged and plugged into the TDA1541 to listen to the song for more than 2 hours. The buyer receives the board and only needs to connect the power supply. Plug in the SAA7220 and TDA1541 to use it normally. If you need to match 7220 and 1541, please contact us!!