pre made power supply

[lifefordota]

hi,

for a new diy member and new to eletrical world.
it seems hard to diy a power supply for any amp like f4 f5 aleph J

is there any simple guide like amp camp for building universal power supply or
ready power supple for sales?

 

[Attila I]

diyAudio Power Supply Circuit Board v3 illustrated build guide