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Broom Hill London England

Broom Hill

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  • Richard Reason Pianos

    94 Tilehouse Street
    Hitchin
    Hitchin, Hertfordshire SG5 2DW
    England

    We stock Fine Quality instruments, modern second-

  • The Music Box

    3 Newham Street
    Bolton, Greater Manchester BL1 8QA
    England

    The Music Box was established over 25 years ago to

  • Dawsons Music Ltd (Manchester)

    30 Portland Street
    Handforth, Greater Manchester M1 4GS
    England

  • Penguin Pianos

    40 Willsgrove
    Cahercalla
    Ennis, County Clare
    Republic of Ireland

    Pianos for Sale

  • Brooklands Pianos Ltd.

    156 Hatfield Road
    St Albans, Hertfordshire AL1 4TU
    England

    Selection of new and restored pianos always in

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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.