Details：

Based on the very classic Kondo KSL-M77 power amplifier circuit.

PCB：225 x 250MM

Use electronic tube models:
6X4/EZ90 * 1,
12AY7/6072WA * 4. (12AY7 emergency substitute model 12AT7/12AX7/5751)

Work voltage：
0- AC6.3V@2A
0- AC12.6V@3A
AC230V-0- AC230V@100MA

4 ways audio input +1 way audio output

Gold-plated PCB on both sides

HiFi audio resistors and capacitors components.

Gold tube seat

Note :

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）

Chassis link：https://www.ebay.co.uk/itm/272883543976