Broken Piano Strings a Doozy
If a bass string on a piano is broken be sure to save the string. Store it in a safe place like the piano bench or simply inside the piano at it’s base. This broken string will be used in the fabrication of the new one and to ensure the new string is precisely the same measurements as the old one. This will limit false beating and scaling issues. The piano technician in most cases will pick up the string and have it shipped or dropped off at the bass string makers. When the string is complete, (usually allow two weeks) the technician will come back and put the new string on. The difficulty in replacing broken strings is that it requires several visits before the string will maintain it’s pitch. In my experience if the string has been well stretched it takes at least one other visit and perhaps a second a couple months later.
Conclusion: The unfortunate thing about broken piano strings is that it requires several, often short visits (3 to 4) on the part of the piano tuner and it is these many visits that make it a costly, yet necessary procedure.