Robert Conrad, Registered Piano Tuner/Technician, Tucson, AZ

General

The 4th A4 Number

The '4th A4 Number' is the width of the prime's 2:1 after it has been tuned as a pure 4:2. Knowing this 4th A4 number from the very beginning lets me know immediately what I'm going to be dealing with on that particular piano. Continue reading

Mapping A0

Mapping A0 can be done any number of ways. It can be mapped however you like, but just like A1, once you have it where you want it, it's location must be measured using it's 4th partial, since the LC Spreadsheet uses the 4th partials for A0 - A4. Continue reading

Templates

Template: A gauge, pattern, or mold (such as a thin plate or board) used as a guide to the form of a piece being made; an overlay; something that establishes or serves as a pattern. Continue reading

Partial Changes

Different partials are used to tune different parts of the piano when using piano tuning software.   The partials used are designed into the software.  All tuning software systems therefore contain partial 'changes' as part of their tuning. Continue reading

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