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800 DIAMOND PB B&W image_g

800 DIAMOND PB B&W image_g

Audio Physic

Audio Physic: although I'm not a fan of this kind of speakers, I really like the engineering coherence of this brand

loud speaker plans - Google Search

BW Bowers Wilkins Big Vent Reflex Short Horn d'Appolito Loudspeaker System Construction and Plans