Posted by Fred Young on March 21, 2001 at 17:09:04:
In Reply to: Re: Re: Re: Re: Gronitz F tubas posted by Aubrey Foard on March 18, 2001 at 23:29:55:
I use that (6-4) for the lowest B natural on the piano and use 6 (the switch valve to EEE) for the B one octave higher. Both have the proper length of tubing assuming no anamolies it the associated open tones.