In my conversations with brass players over several decades I have gotten the impression they believe the fact that professional players are endorsing particular brands makes their recommendations and opinions biased. In fact, that is somewhat true. But it's also true that amateur, non-endorsing players may also be biased. We all take care to choose the horn we're going to play, but naturally we have different reasons for our choice(s). It is complicated by the fact that playing a particular brand ...