Phi: That Golden Number (Freitag)
Vedi anche:
https://it.wikipedia.org/wiki/Sezione_aurea
https://www.youtube.com/results?search_ ... ione+aurea
“Learn how to use the golden ratio to get the best sound from your loudspeakers in any rectangular sized room and how to build the optimal listening room” (by George Cardas):
Stereo Speaker Placement for Optimum Sound