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"gear-heads": OLD subwoofer help needed

I ran across a set of old but quite large RTR subwoofers today. Even though they are pretty much gutted, the design is like nothing that i have ever seen before. The specific model is listed on the cabinet as a "DAC 1". ANY info / leads / background that you can provide would be GREATLY appreciated. I have NO idea as to when they were made, but i would guess sometime around the late 70's or very early 80's or so. Sean
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sean
sqjudge
96 posts
 
Just like Kely I remember RTR from the dark past. I will think on it and post again if I remember more. Chris
sndsel
98 posts
 
Nobody uses the internet. Try a search (I currently like the Google search engine) on <+ rtr + speakers>. There is a current site rtrspeakers.com that show it is a BIC America Co. There are some sites that have other info and bbs. I did not delve deeply. Have fun. :)
tattooddp
2 posts
 

If it has a down firing 12" with a passive 15"  on each side those are the rtr dac-1 rhombus speakers. They get down to 16hz truely amazing design.

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