Thanks, that does make it clearer - although I'd argue that it still comes down to a personal reading style (too close to the microphone for you). I guess the only solution is to check a later reading by Ben, or one of the others that bother you, and see if they've changed their set-up/approach at all.
As a person who has spent his life listening very closely to voices I can tell you, for example, that I can't stand Michael J. Fox's voice - it has some irksome quality for me that doesn't seem to bother the majority of people (I felt vindicated when a film reviewer, in passing, mentioned Fox's "curdled skim milk voice") - my point being that not everything works for everyone...and that's okay.