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Osterley London England

Osterley

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  • Sheargold Pianos Ltd (Cobham)

    162 Anyards Road
    Cobham, Surrey KT11 2LH
    England

  • Brighton Piano Warehouse

    43-45 Bonchurch Road
    Brighton, East Sussex BN2 3PJ
    England

    Largest Selection of Upright and Grand Pianos on

  • The Pianola Shop

    134 Islingword Road
    Brighton, East Sussex BN2 9SH
    England

    Pianola sales and services. Music rolls sales and

  • Sussex Pianos Ltd

    Unit 14a, Granary Business Centre
    Broad Farm, North Street
    Hailsham, West Sussex BN27 4DU
    England

    Located in the Sussex countryside, we are a family

  • Sulis Pianos

    Canton Place
    London Road
    Bath, Bristol BA1 6AA
    England

    A large selection of carefully selected new and

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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.