Posted by Frederick J. Young on December 07, 2001 at 18:17:56:
In Reply to: Re: Re: Re: Re: Re: Double Tubas posted by Klaus on December 07, 2001 at 04:55:51:
My thirty year old Alexander catalog indicates they make compensating double tubas. This would be confirmed by the use of a single or simple switch valve.
Mein Zwei Pfennigen!