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This is a list of Islington Professional Qualified Piano Tuner-Technicians, Tuning and Repairing Pianos. in Islington for Concerts, Schools and Homes. Find a Local Piano Tuner in Islington
|Mr. J Brooks MABPT, Dip AEWVH||CRB checked|
|Mr. A. Bryant MABPT, Dip AEWVH||CRB checked|
|Mr. R. D. P. Foster MABPT Dip AEWVH|
|Mr. C. King MABPT, Dip AEWVH|
|Mr. P. Ojo MABPT, Dip AEWVH|
What is the difference between Overdamping and Underdamping?
Take the same elastic band and place your finger near the centre to stop it from vibrating this is underdamping, which of course is more efficient. Overdamping is controlled by gravity where as underdamping is controlled by adjustable springs so on the whole underdamping is far more efficient than overdamping. However, there is one disadvantage with underdamping. That is, if the dampers are incorrectly aligned to the nodes and antinodes of the vibrating string this will result in, the dampers when they come in contact with the string, emphasising certain harmonics on the piano, thus giving you a harmonic ring, this is more common on small uprights and small grandís as the margin of tolerance decreases as the piano becomes smaller.