Re: "research" request... (bloke Solo/Imperial hybrid)
Posted: Sat Jul 27, 2013 4:29 pm
I've been using your Grand Orchestral cup with a Solo #2 shank on my 4/4 size King sousaphone and it works OK for me. The larger cup mellows the tone somewhat and the backbore on the the shank affords enough resistance for ease of play in the upper register. YMMV ...