![]() ![]() ![]() Once the reference pitch is tuned, Vartoukian tunes the octave in the middle of the keyboard. He then removes the mutes and tunes the outside strings. Vartoukian mutes the outside strings with pieces of felt and foam and tunes the centre string first. Piano tuners use a tuning lever (not a hammer because, as Vartoukian explains, they don't bash things with them) to carefully turn the piano pins and tighten or loosen the strings until this note is spot-on.Īs shown in the last episode, there are three strings to most notes on a piano. The most common pitch to tune to in Australia is A = 440Hz, though higher pitches are becoming more common. Piano technician Ara Vartoukian turns a grand piano inside out to explain how it works.įirst you need a reference pitch from a tuning fork or a tuning app on your phone. ![]()
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