Speaker Builder magazine in PDF format for download

Hi.
I recently discovered this website https://www.worldradiohistory.com/index.htm where almost all journals of Speaker Builder magazine are available for download in PDF format.
https://www.worldradiohistory.com/Archive-All-Audio/Speaker-Builder.htm
Only 18 issues are missing from the 124 issues published in total between 1980 and 2000.
The 18 missing issues are marked in red in the attached image.
Regards.
Speaker Builder.jpg

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Thank you so much! My as of 1980 issues ended in the old paper bin in 2010....

And then, going through the years, you will be struck by the sheer number of contributions and immense creativity of in particular our own Bill Waslo, posting here as Bwaslo.
 
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What a great find! I was wondering if Speaker Builder magazine still existed and so I did a search and found this page. I subscribed for a few years back in the late 80's, and it was the most informative source I ever ran across.
I downloaded all the pdf files available, 561MB to be exact.
The excellent part is that the linked page has a search query that will find a specific result across all of those pdf files! 😎
 
Wow, the SHOCKWAVE, I always wondered what this was about. "We cannot be held responsible for any vibrational damage done to your home or contents".
😆 A lot of what seems like contradictory statements and strange ideas about how cancellation would actually work. Is the jist of this just to have 5 ESLs, each sitting an inch or so in front of the previous one, with some magic foams doing spacing or damping or whatever? I'd love to see evidence of anyone ever making this thing or for that matter measuring it.

edit -- "Sales Manager Tim Kelly". Wow, does that name bring back memories (I always wondered whether "David Lucas" was actually Tim Kelly). I bought an ESL kit from Lucas some 30 years back and built it in my strange curved array scheme. It played. I doubt the directions were anything I couldn't have gotten somewhere else, also a lot of 'build it your way' words that seemed to evade giving actual steps... Heathkit it was not.
 
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