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  • LSM Pianos Ltd

    9 Rothersthorpe Avenue
    Rothersthorpe Ind. Estate
    Northampton, Northamptonshire NN4 8JH
    England

    LSM Pianos Ltd. was established back in 1979. We

  • Sheargold Pianos Ltd (Cobham)

    162 Anyards Road
    Cobham, Surrey KT11 2LH
    England

  • J.G.Windows

    Central Arcade
    Newcastle upon Tyne, Tyne and Wear NE1 5BP
    England

    JG Windows Ltd is one the UK's longest established

  • Mark Goodwin Pianos

    Unit 2, Dogford Rd
    Royton
    Royton, Greater Manchester OL26UA
    England

    We are UK's largest stockist of fully

  • Ben Wheeler Pianos Ltd

    Beach's Crescent
    Little London
    Tadley, Hampshire RG26 5ER
    England

    We are a specialist piano company supplying pianos

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Did You Know Piano Facts

What is the difference between Overdamping and Underdamping?

Overdamping is a system whereby the piano damping mechanism (the bit that shuts the piano up) is situated above the hammer strike line. Underdamping is where the piano dampers are placed below the hammer strike line. Advantages and disadvantages. Overdamping. Imagine an elastic band three-foot long, you twang it and then put your finger near to the end of the elastic band, to stop it vibrating. This is overdamping

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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.