Pomoc s překladem do ČJ z AJ

Ahoj potřeboval bych přeložit 2 odstavce o elektronkových zesilovačích. Něco vím, něco ne. Už se s tím se.ru půl hodiny:

Often involved in discussions about this topic, I am forced to realise that much of the knowledge
that was common goods 40 years ago has disappeared and what remains is a conglomerate
of distorted facts and a complete lack of understanding of how these facts are interlinked and of
their relative importance. It is as if it were seen in a distorting mirror in the hall of mirrors in an
amusement park. Parts of the image are magnified out of all proportion and other parts of maybe
even greater importance are simply not there!

Very few designs differing from these two have proven fit for real life, the Quad II being a
notable exception (you will find the diagram in the appendix together with a brief explanation).
We will take a closer look at the input stage, because here we can learn a great deal about how
a valve works. The input stage is normally a cathode coupled amplifier as shown below.

Díky moc. Fráze, které vůbec nechápu jsou tučné.