Details：

Circuit refer on famous classical phono amp circuit CARY AE-1, this tube preamp worth you to have a try!

Work Voltage ：
0- AC5V-6.3V@3A
AC280V-0-280V@100mA(±5%)
0-AC14V@3A (±10%)

Preamp board pcb size: 160 x 230mm

Power supply board pcb size: 100 x 230mm

Potentionmeter avalible of 16 type and 27 type and 168 moto type

Tubes using : 6SN7 x 4 , 5Y3 x 1 ( without tubes on this price, you can use your own tubes or buy from me)

Audio input：4 ways

Audio output： 1 way

Gold-plated PCB on both sides

HiFi audio resistors and capacitors components.

Note :

Diy kit without caps：all the parts need yourself to solder.（not included capacitance ,potentiometer and 5pcs tubes）

Diy kit with caps：all the parts need yourself to solder.（not included potentiometer and 5pcs tubes）

Assembled board：have solder well，（not included potentiometer and 5pcs tubes）

Transformer link：

https://www.ebay.com/itm/162050795247

Suitable chassis link：

https://www.ebay.com/itm/165519834320