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Robin & Jerry in Oz
https://www.nelsonic.org/fototrip/Oz08/index.html
AUDIOSPHERE CONCRETE LOUDSPEAKERS click any photo to enlarge. Audiosphere loudspeakers under construction in Michael Brown's workshop in Gunning, Australia, right, and the concrete Audiosphere loudspeaker we bought from him in 1972 (right) in our home in the USA. Those 80 lbs of concrete have followed us home from Canberra and back and forth across the …
Speaker Asylum: REVIEW: Audiosphere Model 3 Speakers by ...
https://www.audioasylum.com/reviews/Speakers/Audiosphere/Model-3/speakers/173913.html
Speakers: Audiosphere model 3's, 91db/w ; Cables/Interconnects: VdH, Supra and home brews ; Music Used (Genre/Selections): Everything except commercial pop ; Time Period/Length of Audition: ~ 25 years ; Other (Power Conditioner etc.): 2 separate AC feeds ; Type of Audition/Review: Product Owner ; Your System (if other than home audition):
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.
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/
15,247 Posts. #18 · Dec 4, 2008. Audiosphere went belly up in '99 or '00. In addition to marketing under their own name, they made some inexpensive speakers that used the Dahlquist name (they went belly up in '93 - name reused and reused again!). They also made some speakers for Phil Clements (he's belly up too).
Concrete Speakers Anyone? - General Forum - Audiophile …
https://audiophilestyle.com/forums/topic/43477-concrete-speakers-anyone/
The prominent audio writer of his day was recording engineer Bert Whyte, actually built a live-end/dead-end listening room environment using concrete baffles and had for speaker cabinets 2 huge concrete enclosures each holding an ElectroVoice Patrician 30" woofer an Altec Lansing 15" "mid-woofer" An ElectroVoice horn midrange and a Rudi Bozak hemispherical array …
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