product details:

-  with original tube 6J1

-  main filter capacitor using imported 1000UF / 35V, 1UF capacitor coupling capacitors imported

-  Resistance selection Rings metal resistance 1%, ensure the machine a good signal to noise ratio.

-  the PCB using 1.6mm thick double-sided sheet, 2.0 oz copper thickness, HASL whole process to ensure the size of the current through the good performance. First-class PCB quality.

-  Add green background LED, very beautiful

-  The board layout is reasonable, beautiful, small current sound 

- Voltage: AC12V (15W) 

- Finished board volume: board length 165MM board width 62MM height 32MM