My wife says it's medium to loud - and annoying. I don't think its that loud, but I ran machinery for 30 years, so she's probably more qualified to say.
I bought one that looked just like this one..had it for many yrs..was thinking the other day about it..wondering what happened to it..lol I don't remember where I got it from, but it was bought new in late 80's or early 90's. Does the handle unscrew from the bell? Mine did