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Before buying a keyword, you should know the basic parts of the digital keyboard.
These models come with the different amount of keys. The smallest number of keys are around 20, and the largest are around 88. A full keyboard has 52 white and 36 black keys. Smaller keywords have 61 and 76 keys. People who have just started playing piano will not be needing all the keys on the piano. When they start to play complex pieces, then they need all the 88 keys.
Smaller keyboards are the best as they are easier and portable. They are great for traveling musicians who are a lot concerned about the effects and sounds.
The number of keys you intend to purchase is based on the complexity of the music you have decided to play.
The next thing is that you should have a place ready to put your piano either in your home or your music studio if you own one. If you are a frequent traveler, then you should look for compact instruments. Brands like Casio, Yamaha are the best in producing digital pianos.
This is related to the response of the key bed. It can be either weighted and semi-weighted keys which have a similar response as that of an acoustic piano.
You can also purchase “synth action” or “organ action” keyboards and pianos. Very complex compositions can be played very easily with the help of these instruments. The “Synth action” instruments have very little resistance, so it is difficult to transition into an acoustic piano.