Mighty Favog Posted August 13, 2019 Share Posted August 13, 2019 I've had my HIP's for a little over a year and am wanting to see if I can get an idea of when they were made. The S/N's are 5419 & 5420. As I've been led to understand there should have been two digits before the S/N's signifying the year. But these only have the last four digits. Also, both inspection/testing labels have come off completely over time (glue dried up). Is there list this can be referenced to? Quote Link to comment Share on other sites More sharing options...
Moderators Travis In Austin Posted August 30, 2019 Moderators Share Posted August 30, 2019 On 8/13/2019 at 1:33 PM, Mighty Favog said: I've had my HIP's for a little over a year and am wanting to see if I can get an idea of when they were made. The S/N's are 5419 & 5420. As I've been led to understand there should have been two digits before the S/N's signifying the year. But these only have the last four digits. Also, both inspection/testing labels have come off completely over time (glue dried up). Is there list this can be referenced to? You might want to ask put this in Ask The Historian part of the Museum Section. Andy might have some insight as well. I can move it there if you wish. Travis 1 Quote Link to comment Share on other sites More sharing options...
Mighty Favog Posted August 30, 2019 Author Share Posted August 30, 2019 That would be great, Travis. Thanks! Quote Link to comment Share on other sites More sharing options...
Moderators Travis In Austin Posted August 30, 2019 Moderators Share Posted August 30, 2019 1 hour ago, Mighty Favog said: That would be great, Travis. Thanks! Consider it done 1 Quote Link to comment Share on other sites More sharing options...
Moderators Travis In Austin Posted August 30, 2019 Moderators Share Posted August 30, 2019 @HDBRbuilder Andy or @JRH, do either of you have any general information in this area? Travis Quote Link to comment Share on other sites More sharing options...
JRH Posted September 3, 2019 Share Posted September 3, 2019 These were shipped to Blackstone Audio on 4/14/83. Pro serial numbers (except for some very early "Little Bastards") did not use the letter coding. Just 4 digits. 1 1 Quote Link to comment Share on other sites More sharing options...
Moderators Travis In Austin Posted September 3, 2019 Moderators Share Posted September 3, 2019 @Mighty Favog I think you have your answer. Jim the Curator comes through yet again! 1 Quote Link to comment Share on other sites More sharing options...
Mighty Favog Posted September 3, 2019 Author Share Posted September 3, 2019 Awsome Jim!! Thanks a ton for your time!! 😎😎😎 1 Quote Link to comment Share on other sites More sharing options...
JohnA Posted September 7, 2019 Share Posted September 7, 2019 This sort of confirms my HIPs (SN 4138 & 4139) were likely made in '81, with solder terminal K-55-Vs and K-77-Ms and Type HIE xovers. Quote Link to comment Share on other sites More sharing options...
Mighty Favog Posted September 30, 2019 Author Share Posted September 30, 2019 I just looked up Blackstone Audio and they are a company that makes audio-books. So, these could have been used for anything from studio monitors to trade shows. Interesting to imagine where they've been!! Quote Link to comment Share on other sites More sharing options...
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