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Audiosphere Research RMS-4000 Loudspeakers | diyAudio
https://www.diyaudio.com/community/threads/audiosphere-research-rms-4000-loudspeakers.38237/
I have come across a mint pair of Audiosphere Research RMS-4000 Loudspeakers and I am looking for more information regarding these speakers. I understand that the maker of these speakers is no more and I have been unable to come up with any usefull information. The only information I have is...
Audiosphere research 15inch speakers | Audioholics Home ...
https://forums.audioholics.com/forums/threads/audiosphere-research-15inch-speakers.52664/
* Anyway, the Audiosphere Research Monitor 3120 was a Tuned Port design, with a 15" woofer driver, a 5" midrange driver and a Horn tweeter. The rating is from 26hz to 22khz +/- 4db. Rated impedance is 8 ohms. Sensitivity is 93db. Maximum power handling is 280 watts. Size is 28.5" x 17.5" x 12.5" (H x W x D). And weight is 45 pounds each.
AudioSphere Research Loudspeakers For Sale - Canuck Audio Mart
https://www.canuckaudiomart.com/details/649680747-audiosphere-research-loudspeakers/
Info: AudioSphere Research Loudspeakers. Asking Price: CAD $ 30.00. Condition: 6 - Fair (?) Date Posted: Dec 01, 20 8:37pm (PST) Edited: Dec 18, 20 2:49pm. About Seller: ON, Canada Product Brand: Audiosphere Research: Product Model: Monitor M-400: Days in System: 90: The feedback period is over for this ad, so feedback is no longer allowed. ...
Audiosphere Research - skprairiedog - Speaker Asylum
https://www.audioasylum.com/audio/speakers/messages/17/170839.html
Audiosphere Research 142.165.113.138. Posted by skprairiedog on August 28, 2004 at 09:58:49 . Does anyone know if Audiosphere Research, a speaker builder from Canada is still in business? I have an old set of their speakers I bought in the early 90's and just blew out a woofer.
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/
Audiosphere Research speaker It might provide you some information. Most of it of marginal use perhaps. From the little I read as a result of this search, I determined they were mid priced speakers 20+ years ago. You could order one of the mail order speakers that pays shipping each way and compare them to what you have.
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