SP6MLK pisze:

EP-925 Manson 25A 3-15V Power Supply Best Seller

https://www.radioworld.co.uk/ep-925_manson_25a_3-15v_psu

Schemat

https://pa0fri.home.xs4all.nl/Diversen/EP925/ep925s2.pdf

MANSON EP-925 MODIFICATIONS

https://pa0fri.home.xs4all.nl/Diversen/EP925/ep925eng.htm

Courtesy OK2KKW