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			Second Letter	Month
A	1954	1980			A	JAN	1
B	1955	1981			B	FEB	2
C	1956	1982			C	MAR	3
D	1957	1983			D	APR	4
E	1958	1984			E	MAY	5
F	1959	1985			F	JUN	6
G	1960	1986			G	JUL	7
H	1961	1987			H	AUG	8
I	1962	1988			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	2001
W	1976	2002
X	1977	2003
Y	1978	2004
Z	1979	2005
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