Thread: Zenith Build Dates
View Single Post
  #4  
Old 07-07-2009, 07:33 PM
Tom Bavis's Avatar
Tom Bavis Tom Bavis is offline
Audiophool
  
Join Date: Jun 2002
Location: Macedon NY
Posts: 371
Date codes will sometimes be coded like this: 328526. First three digits are the manufacturer - 328 is Utah (speakers). 526 is year (1955 or 65) and week (week26 - end of June). Some dated by quarter - so only used week codes 13, 26, 39, and 52.
Reply With Quote