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How high was the old British high pitch? What frequency was the A? Can a tuba at high pitch be pulled out far enough to reach A at 440? Responses appreciated, John

Hi from England,

The old high pitch, or philharmonic pitch was A=452. Some tuning slide sleeves were used in the old days but not very well.

www.euph9.freeserve.co.uk/neweuph.htm

You also need to be able to pull the valve slides out to support the new pitch, though on most horns this is not a problem...