Details:
Output power: 10W x 2
Output impedance: 8, 4 ohms
Frequency response: 28HZ-20KHZ
Tube model: 6F2 (6U8, ECF82) ×2 + FU32 (832A) ×2
Note:
the price is for 1 set bare pcb ,not included any parts !
Output transformer :
https://www.ebay.com/itm/354206101193
Assembled board ,just for reference: