{"product_id":"martin-logan-helos-12-in-ceiling-speakers","title":"Martin Logan Helos 12 In Ceiling Speakers","description":"Helos 12 \u003cbr\u003e\u003cbr\u003e\n\nThe Helos 12 is a high-resolution in-ceiling loudspeaker featuring a 1-inch neodymium soft dome tweeter mounted in an aimable stem, aluminum cone woofer, and proprietary Vojtko crossover topology.\u003cbr\u003e\u003cbr\u003e\n\nThe Helos 12 delivers legendary MartinLogan quality and performance in a compact, high-resolution in-ceiling loudspeaker. Helos 12 effortlessly provides extreme sonic accuracy from its a 1-inch neodymium soft dome tweeter mounted in an aimable stem, a high-rigidity aluminum cone woofer, and proprietary Vojtko crossover topology.\u003cbr\u003e\u003cbr\u003e\n\nHelos 12 features a high-resolution neodymium tweeter mounted on a pivoting tweeter stem that easily aims at the primary listening location. This design allows the audience to enjoy the highest levels of in-ceiling audio performance, while still providing rich, detailed sound throughout the entire room.\u003cbr\u003e\u003cbr\u003e\n\nA robust mounting-lock system allows quick, trouble-free installation. When not in use, the constant-control mounting locks are held securely within a self-contained housing. When moved into place during installation, they couple the speaker's chassis firmly to the ceiling. And if the speaker is ever removed, the locks retract and latch themselves back in their housings.\u003cbr\u003e\u003cbr\u003e\n\nEach Helos 12 speaker comes with a full-size installation template that features quick-reference instructions, and die-cut guides for marking the cutout hole.\u003cbr\u003ev\n\nMartinLogan's new architectural speakers feature ultra-low profile, paintable micro perforated grilles with no visible bezel for an near invisible integration into any wall or ceiling. A magnetic system secures grilles easily into place, reducing the risk of warping or damage during installation.\u003cbr\u003e\u003cbr\u003e\n\nTechnical Specification:- \u003cbr\u003e\n\nFrequency Response\n47–20,000 Hz ±3dB \u003cbr\u003e\n\nSensitivity\n89 dB\/2.83 volts\/meter \u003cbr\u003e\n\nNominal Impedance\n4 Ohms. Compatible with 4, 6 or 8 ohm rated amplifiers. \u003cbr\u003e\n\nRecommended Amplifier Power\n20-200 watts per channel \n\u003cbr\u003e\nCrossover Frequency\n2800 Hz \u003cbr\u003e\n\nHigh Frequency Transducer\n1\" (2.5 cm) neodymium soft-dome tweeter \u003cbr\u003e\n\nLow Frequency Driver\n6.5\" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection \u003cbr\u003e\n\nWeight\n4.5lbs. (2kg) each\u003cbr\u003e \n\nOverall Dimensions\n9.5\" (24.2cm) Diameter \n 4.62\" (11.7cm) Depth \u003cbr\u003e\n\nCut-Out Dimensions\n8.35\" (21.2cm) Height \n8.35\" (21.2cm) Width \u003cbr\u003e\n \n \n\nDepth Required Behind Wall Surface\n4.4\" (11.2cm) 4.9\" (12.3cm) \u003cbr\u003e\n\nProjection From Wall Surface\n.2\" (.45cm) \n","brand":"Martin Logan","offers":[{"title":"Default Title","offer_id":57412707713356,"sku":"MLHELOS12","price":662.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6891\/2204\/files\/Martin-Logan-Helos-12_3.jpg?v=1777536207","url":"https:\/\/www.stoneaudio.co.uk\/products\/martin-logan-helos-12-in-ceiling-speakers","provider":"Stone Audio","version":"1.0","type":"link"}