Coments on these circuits?

[partyjups]

I find these circuits on the net and I think that Thay are very low cost. But the question is how the amps will sound

If any one have some coments on the circuit I'll be happy
http//:valveaudio.tripod.com/scematics.htm


Im interested in the 400W power amp or maybe others

jeppe c.

 

[partyjups]

link

http://valveaudio.tripod.com/schematics.htm

hope these work