feedback WAS Preamp tube substitutions

["Keith Freeman" <keith.freeman@xxxxxxxxxx>]

> "SOUND man"? what's a sound man?  (P.S. don't everyone get excited,
> I'm just "funnin")  
Sound man, sound engineer (n.) Person equipped with a mixing desk the size of a small 
city whose sole purpose is to ensure that the balance between the various instruments 
in the auditorium is wrong.

from Freeman's Concise Dictionary of Concert-Going

- -Keith