Posted by Frederick J. Young on June 17, 2002 at 08:26:53:
In Reply to: Re: Re: Re: Discriminated BBb and Eb ??? posted by Todd Morgan on June 15, 2002 at 19:08:42:
Trumpets are usually not playing below their low F# as do tubas. Their trigger adjustments are small and easily done. In addition, in proportion to the size of the instrument the necessary adjustments are much smaller than on the tuba. On the tuba the adjustment is inversely proportional to the frequency whereas on the trumpet a paper by Dr. Robert Young, former president of the Acoustical Society of America, the adjustment is inversely proportional to the square root of the frequency change desired. That makes the slide adjustments about only one half as much.