Details：

This is a classic A-N amplifier board circuit, using the ECF80 for five-pole amplification, three-pole PK inversion, to promote the EL84. Output transformer can use 8-10K push-pull transformer. PCB Size: 224×170MM Works voltage: 0-AC250V @300ma， 0-AC6.3V@4A This amp output power is about 12W+12W

Tube model：EL84/6P14 *4 +ECF80 *2

Package included：

EL84 amplifier board pcb x 1 （Not included any parts ！）

PSU transformer:

https://www.ebay.com/itm/164588595080

Output transformer ：

https://www.ebay.com/itm/164717631103