Quad ELS mod

Hi all
once, before my PC crashed suddenly
on Linux now with emailmuch more virus safe...

anywhere on the web
there was a QuadELS63 Mod to build
a better as the new ones from two of them

who know about?
can not find it anymore
..................................................

and another one
where to go for a repair kit for them
has been mentioned here
but the person cannot be contacted by mail

:bigeyes: