Πιστεύω ένα νεδιαφέρον ανάγνωσμα:
http://www.nutshellhifi.com/library/tinyhistory1.html Part 1
http://www.nutshellhifi.com/library/tinyhistory2.html Part2
http://www.nutshellhifi.com/library/tinyhistory1.html Part 1
http://www.nutshellhifi.com/library/tinyhistory2.html Part2