YAMAHA YAS 23 SERIAL NUMBERS LIST CODE
The last number is an internal code (could be D, R, U, or Y.) The four numbers that follow are the unit number (00)11. The first two letters are the year QK=04 (see chart.) The third letter is the month J=March. Letter-letter-letter-#-letter, like so: QKJ0011Y. The final four numbers are the unit number 0013 (13). The two numbers that follow are the day 12th. The first two letters are the year QJ=03. Letter-letter-letter-#, like so: QJM120013. The final three numbers are the unit number 123. The first two numbers (07 in this example) are the day 7th. The second letter is the month H=January. The final letter is an internal code (could be E, F, I, or S.) The three numbers are the unit number 111. The first and second letters are the year QJ=03. Letter-letter-letter-#-letter, like so: QJM111E. The three numbers at the end are the unit number. The third letter is an internal code for Japan. The first letter is an internal code (both I and S were used). Letter-letter-letter-letter-#, like so: SKJ元21.
The three numbers are the unit number 123. The third and fourth letters are the date QI=02. Letter-letter-letter-letter-#, like so: SMQI123. the letter (3rd position) is the month March (see chart.) The final four numbers are the unit number 13. The letter (2nd position) is an internal code. The next letter (3rd position) is the month in this case M=June (see chart.) The final three numbers are the unit number. The final three numbers are the unit number 101. The next two numbers are the month 10=October. There is no indication of year in this configuration–just “sometime between ’86 and ’89. The last three numbers are the unit number 13. The letter is the month February (see chart). Two letters, four numbers, like so: MI0031. The third and fourth letters are the date QH=01. (See chart at the top of the page.) The first letter is the year 1985. Four letters and a number, like so: LJQH013.
YAMAHA YAS 23 SERIAL NUMBERS LIST SERIAL NUMBER
The final four numbers are the unit number 13.Īlternate serial number configurations for Yamaha Electric, Archtop, and Bass Guitars The third letter is the month June (see chart above.) The first and second numbers (following the 3 letters) are the day 18th. The first two letters are the year Q=0 and I=2, so 2002. Letter-letter-letter-#, like so: QIM180013.
The last four numbers are the unit number 13. The fifth and sixth numbers are the day 18th. The third and fourth numbers are the month 02=February. The first two numbers are the year 00=2000. The last four numbers are the unit number 11. The fourth and fifth numbers are the day 18th. The second and third numbers are the month March (03). The last three numbers are the unit number 22. The second and third numbers are the month 09=September. YMMI (Yamaha Music Manufacturing Indonesia), Made in Indonesia, 1990-1996:
The final four numbers are the unit number 3112. Three letters, six numbers, like so: QIM183112. Kaohsiung Factory, Made in Taiwan, 2001-: The final three numbers are the unit number 111. Kaohsiung Factory, Made in Taiwan, 1971-2001: The last four numbers are the unit number 21. Tenryu/Wada Factory, Made in Japan, 1985-1986: The final two numbers are the unit number. The second two numbers are the month here, May. Tenryu/Wada Factory, Made in Japan, 1969-1984: No year of manufacture can be determined. 12233. Just five digit numbers in sequence. Tenryu/Wada Factory, Made in Japan, 1946-1968: Letter-letter-letter-#-letter, like so: QIL123A. Yamaha Music Craft, Made in Japan, 2001-: (See previous entry for Yamaha Music Craft for more on the numbering.) During 1999, they starting the count each month at 200 rather than 500. The last three numbers are the unit number. The three numbers are the unit number this started over each month at 500, so unit number 21. (That first letter is an “oh” not a zero.) Yamaha Music Craft, Made in Japan, 1997-1999:
111 is the unit number and the final letter is an internal code. Letter-letter-letter-#-letter, like so: QLY111C. The three numbers are again, unit number. 213=unit number and that last letter is an internal code. Using the charts, we see that H=1991 and P=September. The last three numbers indicate unit number. The number following the letter is the year, in this case. The letter at the beginning represents the month, so J would be March (see chart above). There are several other serial number configurations used by Yamaha over the years.Īlternate serial number configurations for Yamaha Classical and Acoustic Guitars