hugot Posted November 23, 2021 Share Posted November 23, 2021 98U140 98U122 these are the serial numbers on the cabs of my Heresys and wonder what info can be obtained from them.Thanks Quote Link to comment Share on other sites More sharing options...
wetowne Posted November 23, 2021 Share Posted November 23, 2021 Made in 1980. The 97,122th and 97,140th units made up until that time. Any tags on the back? They would tell you what cabinet finish was used. Quote Link to comment Share on other sites More sharing options...
hugot Posted November 23, 2021 Author Share Posted November 23, 2021 unfortunately no tags, cabs are regular plywood.I did the Crites crossovers and horn driver upgrade long ago.Thanks for the info. Quote Link to comment Share on other sites More sharing options...
OO1 Posted November 25, 2021 Share Posted November 25, 2021 On 11/23/2021 at 5:28 PM, hugot said: unfortunately no tags, cabs are regular plywood.I did the Crites crossovers and horn driver upgrade long ago.Thanks for the info. klipsch did not use regular plywood , they used Fir Plywood with birch veneer on the outside - Quote Link to comment Share on other sites More sharing options...
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