PIONEER : Date Codes    
To determine the birthdate of a component, use the first two letters of the serial number
and the tables below.  Almost all Pioneer components can be dated using these tables.
First Letter Year Year Year Second Letter Month  
A 1954 1980 2001 A JAN 1
B 1955 1981 2002 B FEB 2
C 1956 1982 2003 C MAR 3
D 1957 1983 2004 D APR 4
E 1958 1984 2005 E MAY 5
F 1959 1985 2006 F JUN 6
G 1960 1986 2007 G JUL 7
H 1961 1987 2008 H AUG 8
I 1962 1988 2009 I SEP 9
J 1963 1989   J OCT 10
K 1964 1990   K NOV 11
L 1965 1991   L DEC 12
M 1966 1992  
N 1967 1993  
O 1968 1994  
P 1969 1995  
Q 1970 1996  
R 1971 1997  
S 1972 1998  
T 1973 1999  
U 1974 2000  
V 1975    
W 1976    
X 1977    
Y 1978    
Z 1979    
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