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

Bob

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

Download Tunings

To make them easily available, these download tunings are in both .SAT and Excel file formats. Also included is a Header Sheet in Excel form, which contains the piano mfg, and model, and the settings for each 'A' on the tuning. Continue reading

“Double Octave Beat” – DOB

DOB allows us to easily stretch or contract a template or tuning stored in the SAT. A DOB setting of .1 expands the double octave - increasing the beat rate of the double octave - by one tenth of a beat per second. A negative or minus DOB setting contracts the width of the double octave thereby decreasing the beat rate of the double octave in one tenth beat per second increments. DOB can be used where ever more or less stretch is needed. DOB is a feature found on the Sanderson Accu-Tuner III and IV. Continue reading

Excel (Spreadsheet) Tuning Organization

For those without Accu-Tuners, or for those with older Accu-Tuners without the Piano Librarian software, the download package may still be of interest. In addition to the tuning files in the .sat format, the download package also contains the templates in the Excel Spreadsheet format, for opening with Excel or any other spreadsheet program. Continue reading

Accu-Tuner Sales

Sanderson Accu-Tuner = the best piano tuningThe Accu-Tuner allows the technician to become as involved as he wants in the tuning process. The Accu-Tuner is a sophisticated and accurate pitch measuring device,

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