{"product_id":"a7","title":"A7","description":"\u003cp\u003eAltec Lansing A7 Voice of the Theatre Loudspeaker System.\u003c\/p\u003e\n\u003cp\u003e1950s–1970s.\u003c\/p\u003e\n\u003cp\u003eLarge-format two-way theatre sound reinforcement system developed for cinemas, auditoriums, and live program material.\u003c\/p\u003e\n\u003cp\u003eThe A7 combines a front-loaded bass horn and reflex enclosure with a multicellular high-frequency horn system, producing exceptionally high efficiency, strong transient response, and long-throw projection with minimal amplifier power.\u003c\/p\u003e\n\u003cp\u003eThe low range employs the 15-inch 416-series woofer mounted within the folded bass horn enclosure, while the high range utilizes the 802-series compression driver coupled to the 511B sectoral horn.\u003c\/p\u003e\n\u003cp\u003eThe enclosure integrates both horn-loading and bass reflex principles to extend low-frequency performance while maintaining the immediacy and scale associated with theatre systems of the period.\u003c\/p\u003e\n\u003cp\u003eOriginally engineered for commercial motion picture playback, the A7 later became closely associated with recording studios, listening rooms, and early high-efficiency home audio systems.\u003c\/p\u003e","brand":"Altec","offers":[{"title":"Default Title","offer_id":46359246405686,"sku":null,"price":5000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0178\/6370\/4630\/files\/mistergreen_mrgreen_mister_green__0001_Altec_a7_vott.jpg?v=1779254461","url":"https:\/\/www.mistergreen.la\/products\/a7","provider":"Mister Green","version":"1.0","type":"link"}