K. Yairi

by claesgellerbrink

K.Yairi YW-1000
The most beautiful Martin D-45 copies in the world, a 1976 K. Yairi YW-1000

I’m extremely happy with the two Morris I have and think that Terada is one of the better acoustic guitar builders in Japan. Having said that, I think everyone that is in to Japanese acoustics dream of owning a K. Yairi, at least I do. Unfortunately they are a bit too expensive for me, I’m sure they are worth it but you can get an old Martin, Gibson or Guild for that money. One thing that I really like with Yairi is that they use the year of the Emperor of Japan to determine the production year of their instruments, how awesome is that. See the list below.


Good materials are hard to find so it’s better to make guitars through limited production by hand instead of mass production. Trees are very important “precious” things so we should make good use of them. Guitars made with “heart” are the best use of trees.  Kazuo Yairi

When was my Yairi made?
By reading the number stamped on the heel block of your Yairi, you can tell in which year it was made. The first two numbers correspond to the year of the Emperor of Japan at that time, see chart below. The second two numbers refer to the month of production. Taken from The Fellowship of Acoustics

A.D.       Emperor                Year
1970      Shōwa                    45
1971                                      46
1972                                      47
1973                                      48
1974                                      49
1975                                      50
1976                                      51
1977                                      52
1978                                      53
1979                                      54
1980                                      55
1981                                      56
1982                                      57
1983                                      58
1984                                      59
1985                                      60
1986                                      61
1987                                      62
1988                                      63
1989       Heisei                    1
1990                                      2
1991                                      3
1992                                      4
1993                                      5
1994                                      6
1995                                      7
1996                                      8
1997                                      9
1998                                      10
1999                                      11
2000                                      12
End of Emperor Date Code
2001                                       01
2002                                       02
2003                                       03
2004                                       04
etc.

Emperor Shōwa and future Emperor Heisei on 10 April 1959
Emperor Shōwa and future Emperor Heisei on 10 April 1959

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