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Mr. S. P. Chrimes FABPT Dip CTB Reviews

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5 of 5 from 1 reviews.

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 Paul Chrimes. Piano technician, 10-11-2022 11:29AM

By: David Sheppard

I first met Paul Chrimes in 1980, when he was tuning the pianos at the school in Brierley Hill, where I began my classroom teaching career. 40 years on, Mr Chrimes has tuned at every school at which I have taught. He has also tuned my pianos at home, as well as those of my students, friends and colleagues. I can say that Mr Chrimes approaches every aspect of his work with care, professionalism and a sense of humour which I can only describe as 'unique'. Like many of the top technicians, Paul is partially sighted but this does not hamper his approach to his work, or his ability to carry out necessary tasks in any way whatsoever. Indeed, I recently discovered Paul lying out out underneath my piano, on his back adjusting the pedal mechanisms.
I would recommend Paul without hesitation, but watch out for his appalling jokes!

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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.