Details：

Inspired by Marantz 7 Phono Riaa circuit, Professional DIY products for Audiophile, High-quality Gold-plated pcb and HiFi audio resistors and capacitors components.

Gold tube seat

PCB size: 120x260mm

Can use tubes model:
ECC83 / 12AX7 ×3 + 6X4 ×1
6N2 ×3 + 6X4 ×1

Transformer requirements:
AC250-AC270V, ＞30MA,
0-AC12.6V, ＞2A
0-AC6.3V @2A For 6X4 tube rectifier

Note :

Diy kit without caps：all the parts need yourself to solder.（not included capacitance and 4pcs tubes）

Diy kit with caps：all the parts need yourself to solder.（not included 4pcs tubes）

Assembled board：have tested well，（not included 4pcs tubes）

Recommend transformer link：

https://www.ebay.com/itm/353090243857

Chassis link:

https://www.ebay.com/itm/354410048779