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Piano key frequencies. This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4 ), tuned to 440 Hz (referred to as A440 ). [ 1][ 2] Every octave is made of twelve steps called semitones.
A musical keyboard is the set of adjacent depressible levers or keys on a musical instrument. Keyboards typically contain keys for playing the twelve notes of the Western musical scale, with a combination of larger, longer keys and smaller, shorter keys that repeats at the interval of an octave. Pressing a key on the keyboard makes the ...
YMF289 (OPL3-L) — low power variant of YMF262, used on some sound cards. YM2203 (OPN) — used on arcade systems. YM2608 (OPNA) — used on Nec PC-88/98 computer series. YM2610 (OPNB) — used on Neo Geo console. YM2612 (OPN2) — used in Sega's Mega Drive/Genesis game console and Fujitsu's FM Towns computer series.
full size 10 24 CPS 201 1986 61 full size 5 24 D(x6) In/Out/Thru Touch sensitive. CK 10 29 petite 4 1 AA (x4) - Built-in AM/FM radio and permanently attached antenna. CK 200 1985 29 petite Boombox with built-in keyboard and cassette deck. [230] CK 500 49 mini 8 Built in AM/FM radio, keyboard and dual cassette decks. [231] DJ 1 32 mini
The size of an interval between two notes may be measured by the ratio of their frequencies.When a musical instrument is tuned using a just intonation tuning system, the size of the main intervals can be expressed by small-integer ratios, such as 1:1 (), 2:1 (), 5:3 (major sixth), 3:2 (perfect fifth), 4:3 (perfect fourth), 5:4 (major third), 6:5 (minor third).
The Rhodes piano's keyboard is laid out like a traditional acoustic piano, but some models contain 73 keys instead of 88. [1] The 73-key model weighs around 130 pounds (59 kg). [2] The keyboard's touch and action is designed to be like an acoustic piano.
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