Details:

Based on AUDIO NOTE power circuit.

Low-voltage voltage stabilizer adopts adjustable LM317 or LT1085 with lower output ripple to adjust the filament voltage of different circuit amplifier tubes.

The design size and position of capacitor position can be welded with different varieties and more HiFi varieties, such as AN electrolysis. In addition, the wiring design is also more reasonable.

MK2 adds low voltage lifting design, which is safer to prevent filament breakdown of the Phono Amplifier tube, and also correspondingly improves the signal-to-noise ratio and background tranquility

Tube model : 6X5 (or 6Z5P) + ECL82

Transformer Voltage:
High voltage: AC300V~0~300V
Low voltage: AC13.8V (13~15V are all ok)
Filament voltage: AC6.3V

Output Voltage:
High voltage: DC 240V~300V (Adjustable)
Low voltage: DC 6V~14V (Adjustable)

PCB size:139 x 132MM

HiFi audio resistors and capacitors components.

Note :

Diy Kit ：all parts need buyer to solder it （Not included all tubes）

Transformer link:

https://www.ebay.co.uk/itm/272781974463 pls choose R80-25

https://www.ebay.co.uk/itm/275344845497

Assembled board ，just for reference：