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Audiosphere Research Monitor 18L Speakers For Sale ...
https://www.canuckaudiomart.com/details/649784227-audiosphere-research-monitor-18l-speakers/
In excellent condition for their age, a pair of Audiosphere Research Monitor 18L speakers. 18" woofers, two 5" mids and four 3 1/2" bullet tweeters. All drivers work and they are ready for audition. Grilles and cabinets are in very good condition. If you know what these are, you know they sounded...
Audiosphere research 15inch speakers | Audioholics Home ...
https://forums.audioholics.com/forums/threads/audiosphere-research-15inch-speakers.52664/
Audiosphere Research speakers were still made in the mid 80's. Even in the late 80's (1989). I know, I saw a bunch of these at my audio dealer in that year. By the way, they are Canadian made, like someone already mentioned. The ones that the OP is looking at, I'm not sure the model #, perhaps they are the AR-15L (but I don't think so).
Audiosphere Research = crap? | Audiokarma Home Audio ...
https://audiokarma.org/forums/index.php?threads/audiosphere-research-crap.49528/
Audiosphere Research were a brand that were low cost big box speakers. I sold them in the 70's you could buy a speaker like you have for the same price as a Dynaco A25 XL. The tweeters were usually piezo or CTS cones. The cost of components and construction were better than some brands, but far below others.
anyone used or heard of Audiosphere Research? Massive ...
https://www.avsforum.com/threads/anyone-used-or-heard-of-audiosphere-research-massive-speakers-with-18-woofers.816911/
I've been using a pair of Audiosphere Research speakers for a very long time and Im wondering if there any good? They sound very powerful and I believe they are 200 watt speakers, 18" woofer, 2x 8.5 midranges, and 4 horn tweeters, but Im wondering if Im missing anything by not going to a better? brand for my fronts.
Audiosphere research speakers | Audiokarma Home Audio ...
https://www.audiokarma.org/forums/index.php?threads/audiosphere-research-speakers.32882/
audiosphere was a canadian brand,based in toronto i believe,but NOT among the likes of the better thought of canuck speakers.the parent company[whose name i can't recall right now] had multiple brands they sold under...these were mostly "junkish" and cheap,the sort of thing you could buy at future shop or other electronic chain stores a few years ago in the 80's and …
anyone used or heard of Audiosphere Research? Massive ...
https://www.avsforum.com/threads/anyone-used-or-heard-of-audiosphere-research-massive-speakers-with-18-woofers.816911/page-2
For speakers I purchased 2 sets of audiosphere research 18Ls which I still have today and 2 sets of Sound dymanic 1500 concert monitors which i also still have. The audiospheres have an active circuit breaker in each of the two pods, one to protect the woofers and one to protect the mid's and highs.
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