12/10/2026
In March 2027, we will offer a unique training session for piano technicians. 🎹🔬
'GRAND PIANO ACTION REPLACEMENT - STEP BY STEP'
Here is the program:
- Why would you like to replace an action? Costs, time, etc...
- Action geometry: spread, magic lines, center pins position, hammer boring calculation... Traveling, hammer hanging method, Wi**en position and regulation.
- Replacing a keyboard: how, how much, and who.
- Action balancing: Hammers and key weighting. Choose carefully your hammers weight. Calculating leads position easily. Using wisely the Renner KMD.
Comparison between different methods for action balancing.
- Practical method to repare the keys - weight hammers and keys.
- Analysing data's of different actions from different pianos. Discussing how to improve them.
- Analysing new pianos and discussing how to improve them. You can come with your own datas if you wish, so we will find the issues and provide the best solution together.
No need to come with your own action, but you can if you wish!
Come to our workshop near Le Vaud, between Geneva and Lausanne, Switzerland 🇨🇭, get new skills and provide new services to your customers!
We also have good w**e and cheese...🍷🧀
🏨👩🍳 Hotel and restaurant right next to the workshop. We can pick you up at any train station or airport nearby (Gland, Gevena, Lausanne...).
Registrations open from November 2026. Follow us, stay tuned.
https://www.pianodesign.ch/event-details/piano-action-replacement-step-by-step