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

(520)784-1549
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Conrad Piano Service (520)784-1549
Robert Conrad, Registered Piano Tuner/Technician, Tucson, AZ
Conrad Piano Service (520)784-1549
  • About
  • Contact
  • Customer Reviews
    • What Customers Have Said
  • Home
  • FAQs
    • What’s a Registered Piano Technician (RPT)?
    • What type of piano is it?
    • Hygrometers for home use with Pianos
    • How Much is the Piano Worth?
    • Tuning? Here’s what the Manufacturers say:
    • How often should the piano be tuned?
    • Acoustic and Electric Pianos?
    • Piano Brands & Manufacturers
    • Steingraeber Piano of Interest
    • Communities Service Area
  • For Tuners
    • Partial Changes
      • What is a partial?
      • What is a Partial Change?
      • Partials Changes in Pianos Overview
      • Overview of Partial Changes in Computer-Generated Tunings
      • Challenges in Computerized Piano Tuning Systems
    • FAC Tweaks
      • The “A” Multiplier Default
      • FAC Tuning Procedure for A4
      • The AccuTuner’s Double Octave Beat (DOB) feature explained
      • The Evolution of Double Octave Beat (DOB)
      • How to Slow the Lights on the SAT IV
      • Optimizing Partial Change Locations in FAC tunings
      • Reasons for lowering the FAC tuning’s Tenor Partial Change
      • Lowering the Tenor Partial Change
      • How to Check/Correct All Partial Changes Using PCC
      • How to stretch the treble in an FAC Tuning
      • Try a Different “F” Number
      • How to use the AccuTuner’s “Custom Over Pull” for Pitch Corrections
      • Tuning to Non-Standard Pitch Using the AccuTuner and PCC
    • Mapping
      • Mapping pianos for tuning.
      • The “A” Targets and the Secondary Targets
      • Mapping Pianos Using Templates
      • The Prime Octave in piano tuning
      • Measuring the piano’s A4 Numbers
      • Piano Midrange Mapping: Tuning Templates and Procedures
      • What are the Prime 5ths in piano tuning?
      • Piano Tuning: Mapping and Balancing the Prime Octave
      • Working with a High “4th A4 Number” Piano
      • Working with a Low “4th A4 Number” Piano
      • The Prime 5ths: A3/E4 & D4/A4
      • How to balance the Prime 5ths in piano tuning
      • How to map A3 on the piano
      • Mapping A1 from A2
      • Mapping A0
      • Mapping the Treble
      • Utilizing Sequences for Efficient Piano Tuning
    • Littau-Conrad Tuning System
      • The Littau-Conrad Spreadsheet Preview
      • Overview of Partial Changes in Computer-Generated Tunings
      • The Littau-Conrad Spreadsheet Demo 2
      • Download Tunings
    • YouTube Videos
      • Creating a Header Sheet for The AccuTuner’s Mem Tunings Video
      • Field Recording Evaluations: Piano Tuning Progress Audio Files
    • Downloads
      • Piano Manager’s File Types Explained
      • Piano Manager & Piano Librarian Downloads
      • Creating a Header Sheet for The AccuTuner’s Mem Tunings Video
      • Piano Manager Software Download
    • Accu-Tuner Sales
      • Sanderson AccuTuner IV “980”
      • Accu-Tuner Manuals
    • Al Sanderson’s Piano Scaling Formulas
  • About
  • Contact
  • Customer Reviews
    • What Customers Have Said
  • Home
  • FAQs
    • What’s a Registered Piano Technician (RPT)?
    • What type of piano is it?
    • Hygrometers for home use with Pianos
    • How Much is the Piano Worth?
    • Tuning? Here’s what the Manufacturers say:
    • How often should the piano be tuned?
    • Acoustic and Electric Pianos?
    • Piano Brands & Manufacturers
    • Steingraeber Piano of Interest
    • Communities Service Area
  • For Tuners
    • Partial Changes
      • What is a partial?
      • What is a Partial Change?
      • Partials Changes in Pianos Overview
      • Overview of Partial Changes in Computer-Generated Tunings
      • Challenges in Computerized Piano Tuning Systems
    • FAC Tweaks
      • The “A” Multiplier Default
      • FAC Tuning Procedure for A4
      • The AccuTuner’s Double Octave Beat (DOB) feature explained
      • The Evolution of Double Octave Beat (DOB)
      • How to Slow the Lights on the SAT IV
      • Optimizing Partial Change Locations in FAC tunings
      • Reasons for lowering the FAC tuning’s Tenor Partial Change
      • Lowering the Tenor Partial Change
      • How to Check/Correct All Partial Changes Using PCC
      • How to stretch the treble in an FAC Tuning
      • Try a Different “F” Number
      • How to use the AccuTuner’s “Custom Over Pull” for Pitch Corrections
      • Tuning to Non-Standard Pitch Using the AccuTuner and PCC
    • Mapping
      • Mapping pianos for tuning.
      • The “A” Targets and the Secondary Targets
      • Mapping Pianos Using Templates
      • The Prime Octave in piano tuning
      • Measuring the piano’s A4 Numbers
      • Piano Midrange Mapping: Tuning Templates and Procedures
      • What are the Prime 5ths in piano tuning?
      • Piano Tuning: Mapping and Balancing the Prime Octave
      • Working with a High “4th A4 Number” Piano
      • Working with a Low “4th A4 Number” Piano
      • The Prime 5ths: A3/E4 & D4/A4
      • How to balance the Prime 5ths in piano tuning
      • How to map A3 on the piano
      • Mapping A1 from A2
      • Mapping A0
      • Mapping the Treble
      • Utilizing Sequences for Efficient Piano Tuning
    • Littau-Conrad Tuning System
      • The Littau-Conrad Spreadsheet Preview
      • Overview of Partial Changes in Computer-Generated Tunings
      • The Littau-Conrad Spreadsheet Demo 2
      • Download Tunings
    • YouTube Videos
      • Creating a Header Sheet for The AccuTuner’s Mem Tunings Video
      • Field Recording Evaluations: Piano Tuning Progress Audio Files
    • Downloads
      • Piano Manager’s File Types Explained
      • Piano Manager & Piano Librarian Downloads
      • Creating a Header Sheet for The AccuTuner’s Mem Tunings Video
      • Piano Manager Software Download
    • Accu-Tuner Sales
      • Sanderson AccuTuner IV “980”
      • Accu-Tuner Manuals
    • Al Sanderson’s Piano Scaling Formulas

May 11, 2026

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Al Sanderson’s Piano Scaling Formulas

Al Sandersons Piano Scaling FormulasBy BobMay 11, 2026

Al Sanderson’s Piano Scaling Formulas The Tension and iH sheet is for plotting the T and iH values for each note. The two ‘Specifications’ pages can be used for notating the scale removed from the piano. (Click on the links below) Dr. Al Sanderson’s Piano Tech Topic 5, Piano Scaling Formulas Tension and iH for…

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