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Audiosphere Research Monitor 18L Speakers For Sale ...
https://www.canuckaudiomart.com/details/649784227-audiosphere-research-monitor-18l-speakers/#:~:text=Similar%20items%20you%20might%20be%20interested%20in%20,%20%20BC%20%2016%20more%20rows%20
Steve's - Audiosphere Monitor 18-L dynamic speaker
http://www.audiocircuit.com/Home-Audio/Audiosphere/Monitor-18-L
The Audiosphere Monitor 18-L is a dynamic speaker. Bob (October 28, 2009): The Audiosphere 18L was built somewhere between 1982 and 1990 give or take. Built in Toronto region using 18" accordian edge woofers with a 60 oz magnet and …
Audiosphere research Monitor 18L | Audiokarma Home …
https://audiokarma.org/forums/index.php?threads/audiosphere-research-monitor-18l.52003/
Ontario, Canada. The Audiosphere 18L was built somewhere between 1982 and 1990 give or take. Built in Toronto region using 18" accordian edge woofers with a 60 oz magnet and two inch v.c. The woofers are enclosed in an air suspension enclosure and if I remember correctly, they had circuit breakers.
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
The output of the 18L's is 98db 1watt at 1 meter and the sound dymanics are 102 db. The sound dynamics have had thier 15" woofers blown out several times each and were replaced under warranty for 5years, never had any issues with the audiosphere's to this day.
Audiosphere Research Monitor 18L Speakers For Sale ...
https://www.canuckaudiomart.com/details/649784227-audiosphere-research-monitor-18l-speakers/
Audiosphere Audio Research Monitor 18L Speakers For Sale ...
https://www.canuckaudiomart.com/details/153623-audiosphere_audio_research_monitor_18l_speakers/
Speaker audio sphere research monitor 18L test peak at ...
https://www.youtube.com/watch?v=_twYe1fX-74
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.
Audiosphere research 15inch speakers | Audioholics Home ...
https://forums.audioholics.com/forums/threads/audiosphere-research-15inch-speakers.52664/
The speakers were targeted at MOTL JBLs, Technics, Pioneers, EVs. Most of the line was marginal with a few exceptional designs. The AR-18L being about the best available from a Canadian manufacturer before the National research Council in Canada made its Test Facilities open to the likes of Energy, Paradigm, PSB and Sound Dynamics, Mirage, etc.
Audiosphere Research Speakers | Kijiji - Buy, Sell & Save ...
https://www.kijiji.ca/b-canada/audiosphere-research-speakers/k0l0
Audiosphere research 18l. Trenton 07/01/2022. 1980’s beasts! Audiosphere research 18L speakers in really good shape for the year, can be heard, you pay first then YOU carry them out to your car. 18” woofer, 2x 5 1/4” mids and 4 tweeters each, bought to make serious noise in a garage stereo system but still no garage.
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