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Old 18th May 2004, 01:23 AM   #1
Whit is offline Whit  United States
diyAudio Member
 
Join Date: Mar 2003
Location: USA
Default TDA1543 Date Code?

How do I tell the year of manufacture on the TDA1543?

I have some with:

HtH1452
HtH2142
HnH1222

I know the last two digits are the week number but what is the year? On my 1541 it is quite obvious being HbH9718. Thanks.
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