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About Yamaha U1, U2, U3 

Like other products, pianos are produced by different brand names all over the world. Among them, Kawai and especially Yamaha are evaluated higher than others due to their popularity, preeminence as well as stability and adaptability to Vietnamese weather.

Yamaha conventional products are: U1, U2, U3

Kawai conventional products are: K2, K3, K5, K7, K8

What are the differences between these products? And what are the purposes of the producers when they make such differences?

Answer: the most basic difference among them is the height. Yamaha U1 (equivalent to Kawai K3) is 121 cm high, U2 (Kawai K5, K7) is 127 cm high, and U3 (Kawai K8) is 131 cm high. You may have heard of some other model such as U30A, U30BL, W102, UX, etc. which are expanded models. These models just have improvements in the outside and some applications recently. The Action part is almost the same as the traditional ones.

Lower pianos have shorter strings so they have less sound vibration. That is why lower pianos have lower sound intensity than higher ones. U1 is the one with the smallest sound intensity. U2 and U3 have higher sound intensity. The small pianos are for small rooms and the big ones are for bigger space; that is the intention of the producers. In other field, pianos with high sound intensity may trouble beginners in keyboard control (especially in the bass part) and beginner-kids are not encouraged to use this type.

Piano teachers and players often like to use U3 (high one) and those who do not understand the intention of the producers advise others to buy this, regardless of the level, age, and context of the users.

Each type of products is designed for one group of users by the producers to make best use of that instrument. Below are recommended page by Kawai. They have based on 4 factors of age, level, purpose and condition of players to give their advice about which one is the most suitable. 

 

User

Experience Purpose Room Acreage Recommend
Kindergarten - Primary Nothing Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Secondary school Nothing Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school Nothing Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Adult Nothing Training ~ 17m2 Kawai K5 (Yamaha U2)
Kindergarten - Primary 1 year Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Secondary school 1 year Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school 1 year Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Adult 1 year Training ~ 17m2 Kawai K5 (Yamaha U2)
Secondary school 3 years Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school 3 years Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Adult 3 years Training ~ 17m2 Kawai K5 (Yamaha U2)
Secondary school 5 years Training ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school 5 years Training ~ 17m2 Kawai K5 (Yamaha U2)
Adult 5 years Training ~ 17m2 Kawai K5 (Yamaha U2)
High school 10 years Training ~ 17m2 Kawai K5 (Yamaha U2)
Adult 10 years Training ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Kindergarten - Primary Nothing Training > 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Secondary school Nothing Training > 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school Nothing Training > 17m2 Kawai K5 (Yamaha U2)
Adult Nothing Training > 17m2 Kawai K5 (Yamaha U2)
Kindergarten - Primary 1 year Training > 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Secondary school 1 year Training > 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school 1 year Training > 17m2 Kawai K5 (Yamaha U2)
Adult 1 year Training > 17m2 Kawai K5 (Yamaha U2)
Secondary school 3 years Training > 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school 3 years Training > 17m2 Kawai K5 (Yamaha U2)
Adult 3 years Training > 17m2 Kawai K5 (Yamaha U2)
Secondary school 5 years Training > 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school 5 years Training > 17m2 Kawai K5 (Yamaha U2)
Adult 5 years Training > 17m2 Kawai K5 (Yamaha U2)
High school 10 years Training > 17m2 Kawai K5 (Yamaha U2)
Adult 10 years Training > 17m2 Kawai K5 (Yamaha U2)
Kindergarten - Primary Nothing Professional music school ~ 17m2 Kawai K2 hoặc K3 (Yamaha U1)
Secondary school Nothing Professional music school ~ 17m2 Kawai K5 (Yamaha U2)
High school Nothing Professional music school ~ 17m2 Kawai K5 (Yamaha U2)
Adult Nothing Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Kindergarten - Primary 1 year Professional music school ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Secondary school 1 year Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
High school 1 year Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Adult 1 year Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Secondary school 3 years Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
High school 3 years Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Adult 3 years Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Secondary school 5 years Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
High school 5 years Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Adult 5 years Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
High school 10 years Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Adult 10 years Professional music school ~ 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Kindergarten - Primary Nothing Professional music school > 17m2 Kawai K2 or K3 (Yamaha U1)
Secondary school Nothing Professional music school > 17m2 Kawai K5 (Yamaha U2)
High school Nothing Professional music school > 17m2 Kawai K5 (Yamaha U2)
Adult Nothing Professional music school > 17m2 Kawai K5 (Yamaha U2)
Kindergarten - Primary 1 year Professional music school > 17m2 Kawai K5 (Yamaha U2)
Secondary school 1 year Professional music school > 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
High school 1 year Professional music school > 17m2 Kawai K5 (Yamaha U2)
Adult 1 year Professional music school > 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Secondary school 3 years Professional music school > 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
High school 3 years Professional music school > 17m2 Kawai K5 (Yamaha U2)
Secondary school 5 years Professional music school > 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
High school 5 years Professional music school > 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Adult 5 years Professional music school > 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
High school 10 years Professional music schoolp > 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Adult 10 years Professional music school > 17m2 Kawai K7 or K8 (Yamaha U2 or U3)
Kindergarten - Primary Nothing Hobby ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Secondary school Nothing Hobby ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school Nothing Hobby ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Adult Nothing Hobby ~ 17m2 Kawai K5 (Yamaha U2)
Kindergarten - Primary 1 year Hobby ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Secondary school 1 year Hobby ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school 1 year Hobby ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
Adult 1 year Hobby ~ 17m2 Kawai K5 (Yamaha U2)
Secondary school 3 years Hobby ~ 17m2 Kawai K3 or K5 (Yamaha U1 or U2)
High school 3 years Hobby ~ 17m2 Kawai K5 (Yamaha U2)
Adult 3 years Hobby ~ 17m2 Kawai K5 (Yamaha U2)

 

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