In message , Jeff writes
On 27/07/2015 21:45, Wayne wrote:
Just today I got a question from a new ham on the pronunciation of balun.
He has been around the scientific community a lot (physicists, etc.) but
not many RF types such as engineers or hams.
He claims that he rarely has ever hear the pronunciation "bal uhn", and
I've rarely heard "bayl uhn".
Anybody want to weigh in on this, heh heh 
Definitely 'Bal-Un' only. Never heard it said any other way.
Unfortunately, Brits and Merkins are blessed with a not-so-common
language which is neither reliably phonetic nor consistent in its
idiosyncratic non-phoneticism.
--
Ian