Bell direction up/forward???
Doug is right on when he talks about a euphonium filling up a space. I'm playing in a church group that, these days, typically consists of three or four trumpets and me. The trumpets may get to face forward, but even in a relatively large church sanctuary, I have no trouble at all being heard.
Frank
Frank Manola
Pan American Eb, Meinl Weston 20, Wessex "Solo" EEb, King 2341 tubas
Besson New Standard, TE 1150 compensating euphs
Park Street Brass
Old South UMC Brass & Organ, Reading MA
Wakefield Retired Men's Club Band
Windjammers Unlimited