Posted: Mon Oct 02, 2006 3:21 pm
This was a York High/Low pitch adapter (pat. 1910).
If you bypass the loop (making the horn shorter) then it should be in High Pitch (almost a half tone sharp to A=440).
If you use the loop, then the horn should be in Low Pitch (modern A=440)
If you bypass the loop (making the horn shorter) then it should be in High Pitch (almost a half tone sharp to A=440).
If you use the loop, then the horn should be in Low Pitch (modern A=440)