• Skip to main content

Eric Johnson Pianos

Fine Piano Care

  • Home
  • More Stuff
    • Backstory
    • Buying A Used Piano
    • Service Descriptions
    • Selling Your Used Piano
    • Fine Piano Care
    • Equal Temperament, Inharmonicity and Piano Tuning
    • The High End Piano Makers
    • Tonal Diversity
    • Acoustic and Digital Piano Buyer
    • Bosendorfer Characteristics
    • Bosendorfer Serial Numbers
    • Practical Voicing Class
    • Recent History from Piano Lifesaver
    • Technical Manuals from Kawai, Steinway and Steingraeber
    • Vienna Cultural Timeline
    • Privacy Policy
  • High End Piano Guy
  • Contact Me

Piano Technology

Humidity Must Be Under Your Control

January 23, 2014 by Eric

Do you have a nice piano? Then you must have these: a good room humidifier with a large tank (at least one) and at least 2 hygrometers.  Two hygrometers are needed because they will not read the same and you need to act on the average. Place them in different parts of the room to […]

Filed Under: HEP Guy, Piano Technology Tagged With: soundboard crown

HEP Guy on Youtube

January 19, 2014 by Eric

I’ve been working on building up a collection of piano tech related items on my Youtube channel. Hopefully the quality will follow a path of continuous improvement.

Filed Under: HEP Guy, Piano Technology Tagged With: piano technology, YouTube

Feurich 218 M

October 28, 2013 by Eric

I took a slightly different path with the 218 and got help. I asked Boaz Kirschenbaum of Cherry Tree Pianos to recommend a configuration and perform the necessary surgery. Boaz is also a fan of Ray Negron’s Ronsen Piano Hammer Company products and together we decided on a set only this time made with Bacon […]

Filed Under: Piano Technology Tagged With: Feurich, Stanwood, voicing

New Piano Voicing Tricks for a Piano Technician

June 9, 2013 by Eric

Piano voicing is a fascinating craft.I came of age as a voicer in the 1980’s, a time when there was not the richness of hammer and felt choices  there are today. Back then the world was pretty much divided into Renner and Steinway. The Renner hammers, with which I worked extensively because of their use […]

Filed Under: At work, HEP Guy, Piano Technology Tagged With: voicing

Traditional and Modern Soundboards

October 10, 2012 by Eric

The soundboard is one of the most important parts of a piano.  Soundboards have traditionally been made of thin planks of solid spruce, about 1/2 inch thick and the width of your hand, glued together on the edges to form a very large surface. While this traditional approach has been used throughout the history of […]

Filed Under: HEP Guy, Piano Technology Tagged With: piano technology, soundboard crown

RPT Repeat

August 10, 2012 by Eric

I finally did it. I passed the final technical tests to regain my RPT (Registered Piano Technician) status with the Piano Technicians Guild. If you haven’t been following my progress (what?? you haven’t??) go to this post for a refresher. The whole process was indeed an ordeal. While the bench tests were pretty much the […]

Filed Under: HEP Guy, Piano Technology Tagged With: PTG

  • « Go to Previous Page
  • Go to page 1
  • Go to page 2
  • Go to page 3
  • Go to page 4
  • Go to Next Page »

Copyright © 2025 · Author Pro on Genesis Framework · WordPress · Log in