Details：

Output power: 13W x 2

Output impedance: 8, 4 ohms

Frequency response: 28HZ-20KHZ

Tube model: 6E2 *2 + ECC85 *2+ EL84 *4

Note：

the price is for 1 set bare pcb ，not included any parts ！

Output transformer ：

https://www.ebay.co.uk/itm/275412515785

https://www.ebay.co.uk/itm/275029354268

Assembled board，just for reference：