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Ralph Onesti


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I am a Registered/tested member of the Piano Technicians Guild (RPT) with 49 years of experience in all phases and levels of the acoustic piano. I will answer any questions regarding acoustic pianos only. All questions and answers are to remain public. Please to not include sensitive material! If they are marked private, I will change them to public. My answers may be of assistance to others. If privacy is an issue, please contact me through my web site: http://www.onestipiano.com Electronic keyboards, organs, and player/reproducing piano mechanisms are outside of my expertise. Anything to do with: Construction, Service, Tuning, Climate Control Systems, Piano Disc, Purchasing, Selling, Insurance Appraisal, Rebuilding, Repairs, Legal issues, Maintenance, Environmental issues, Finish issues with acoustic pianos. My full resume can be found at: http://onestipiano.com/pages/history.html You can like us on Facebook at: http://www.facebook.com/onestipianoservice

Experience in the area

In business since 1964, Extensive Rebuilding/Repair/Service facility. A certified, tested, member of the Piano Technicians Guild, Member of the Technical Advisory Service to Attorneys. Have performed piano service on Concert Stage, Recording Studios, and in the home. Http://www.onestipiano.com. The shop's work comes from all over the world from private clients or other techncians.


The Piano Technicians Guild, Master Piano Technicians of America, Technical Advisory Service to Attorneys. (TASA), IAPBT. The Piano Technicians Guild is the only organization in the US that offers a certification test to become Registered. There are no "factory authorized techncians".


The Piano Technicians Journal


Attented Temple University, Drexel University, Philadelphia Community college all in the areas of engineering and Music. I taught a two semester course in Piano Technology and the related acoustical physics at Temple University. I have taught extensively for the Piano Technicians Guild and the Master Piano Technicians of America.

Awards and Honors

Service Award for the Rose Tree Media School District in Pennsylvania. Chapter Award from the Philadelphia Chapter of the Piano Technicians Guild.

Past/Present Clients

The list is rather extensive. I would suggest you go http://onestipiano.com/pages/testimonials.html where there is a comprehensive list of clients past and present.

What do you like about this subject?

Mostly, after 48 years...I just like helping the consumer. Remember, there is no such thing as a "factory authorized" technician, and just belonging to the Piano Technicians Guild means nothing. One has to be REGISTERED to be qualified. Care should be taken in choosing a technician.

What do you still hope to achieve/learn in this field?

I would love for technicians in the field of piano technology,to be licensed in the state in which they intend to do business. I would like to see all technicians taking money for work perfomed, to be tested. This protects the consumer. I would also like to see a Piano Rebuilders' Contest just like juried contests for artists and performers and furniture makers.

Something interesting about this subject that others may not know:

The Piano Technicians Guild is an international organization that offers the opportunity for an individual to become qualified. Of the two classes of working technicians, only the Registered technician is tested and qualified. The Associate member can be a hobbyist, student, apprentice, piano mover, piano refinisher, etc.

Something controversial or provocative about this subject

Not all piano technicians are qualified...unfortunately. However, registered technicians from the Piano Technicians Guild must agree to a code of ethics, and this is monitored by the guild. Getting tested is a good thing. After all...how can we qualify our skills without testing. Plumbers, Doctors, Lawyers, Accountants and such all get tested. Why not piano techncians? What do they have to hide?

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
Allan02/13/17101010Thank you very much. Great.
Linda02/02/17101010Hi Ralph Thank you very much for .....

Recent Answers from Ralph Onesti

2017-03-11 Kershner Piano:

Hi Kay:    Your piano was manufactured in 1946 by Winter Piano Company.    The quality of this piano in its "heyday" was moderate at best.    Unless this is a family heirloom, and you have very deep pockets

2017-01-30 Piano valuation:

Hello Linda:    Generally speaking, grand old uprights of this era carry more furniture value then they do instrumental value.    It would be telling to see a picture of the inside.    I am particularly

2016-12-26 Erhardt #6196:

OK...    Walter Piano Company not to be confused with Charles Walter Piano company was make by P.C. Weaver of Canada.    Since they made this piano for a retailer, the serial numbers have their own run

2016-12-24 Erhardt #6196:

Hello Jimmy Jones!    Do you mean "Erhard???    If so...it's 1825    Go check the spelling and let me know.

2016-12-20 SOHMER piano hand built:

Not a question of inferior parts as much as production techniques.     Sohmer's decline in quality of their upright Studio consoles went away with Harry Sohme, my opinion.    Sohmer never made a good grand


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