What are the dimension of the piano keys? : r/piano - Reddit
2012年7月15日 · Divide by 52 white keys to get single key width. middle of C note to middle of octave higher C note: 16.5cm (6.5 inches). Divide by 7 to get single key width. full octave: 7 2/5 inches. Divide by 8 to get single key width. All of these give a white key width of about 23.5mm (about 0.925 inches, i.e. between 7/8 and 15/16 of an inch).
construction - What is the length of piano keys, in inches - Music ...
2022年8月21日 · Visible length = 6 in., including a 1/16" "lip" on the top surface that sticks out beyond the end of the key proper. Visible height when not depressed = 7/8 in. Black key width at white key level = 15/32" tapering up to 7/16" at the top, which is 1/4 in. above white key level. Length at white key level 3 15/16" tapering back to 3 5/8" at the top.
keyboard - Is there a standard width for piano keys? - Music: …
2014年6月16日 · Some of that is the original tooling and cutting (piano keys are sliced like bread from one piece of material) and some of the variance can be from wear. The keys at the far ends of the keyboard will be a good bit wider on an older, heavily played instrument than the keys in the middle of the keyboard, where the most playing occurs."
sheet music - How to read piano key signatures - Music: Practice ...
2015年12月22日 · But the notes are exactly the same in both the major key indicated by the key signature and the relative minor indicated by the same key signature. There are many charts available on line which will tell you what the key signatures mean. The chart pictured below was found here: Piano-Keyboard-Guide.com
frequency - What are the true frequencies of the piano keys?
2014年5月6日 · Yes, you are correct, the "true" frequencies will differ from piano to piano. In addition to the answers already given here, I would like to add more information regarding inharmonicity. The amount of offset or "stretched tuning" for the strings of an acoustic piano will vary with the size and type of the piano.
Piano key sustains without the pedal pressed [duplicate]
Diagnosis: Press the problem key down very slowly and note when the damper starts to move. It should start moving about 1/3 of the way through the key's travel. (You can use the hammer travel to gauge this.) Solution, if it starts moving the moment you touch the key, you will need to find a qualified technician to bend the "damper spoon" for you.
Digital piano key weights in grams : r/piano - Reddit
2019年8月6日 · On an acoustic piano, the action ages rather rapidly. You're supposed to regulate your piano every 5 years I think? Most acoustic pianos have a lot of wood in the action, which warps over time. After 10 years, it becomes rather difficult or impossible to recover the like-new action the piano started out with.
keyboard - Piano key numbers to notes - Music: Practice & Theory …
2019年12月22日 · I have another conversion question. Given the number of the key on a standard piano keyboard counting from 1 as A to 88 as C, I need to find out witch octave and note it designates. For example, an input of 49 would output octave 4 and note A. The octave is easy, it is simply the floor of the key number divided by twelve.
maintenance - Piano key sometimes suffers silent depress - Music ...
2019年7月29日 · Ask the piano tuner to regulate the action, especially if the piano's move underwent changes of humidity. Some keys' pivots may have become sticky. Some keys' pivots may have become sticky. In the meantime, if one key often suffers from a silent depress, bang away at it fast and loud for a minute.
history - Why is the lowest note on the piano an A? - Music: …
2015年2月11日 · The 85 key piano that was adopted by the piano makers of the day as the standard configuration spanned seven octaves and started on A0 and the last key was A7. This is very logical from a practical point of view given that the piano tuners of that time started with a tuning fork tuned to A = 435 Hz (this was later changed and now is A=440 Hz ...