{"product_id":"leak-sandwich-250-loudspeaker-pair","title":"Leak Sandwich 250 Loudspeaker (Pair)","description":"\u003cp\u003e\u003cstrong\u003eA major loudspeaker invention\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThroughout the history of broadcasting and recording, certain exceptional developments have become millstones in the progress of sound reproduction.\u003c\/p\u003e\n\u003cp\u003eOne such milestone was the world’s very first low distortion amplifier – the famous original Leak Point One, in 1945.\u003c\/p\u003e\n\u003cp\u003eAnother was the pioneering major breakthrough with the invention of the fantastically rigid Leak sandwich cone diaphragm – which was demonstrably of great strength and many times stiffer than all conventional forms of cone, of its time.\u003c\/p\u003e\n\u003cp\u003eTo understand the impact of this innovation, one must remember that to obtain low distortion, the movement of a loudspeaker diaphragm, or cone, should follow as accurately as possible the waveform of the signals applied to its voice coil.\u003c\/p\u003e\n\u003cp\u003eThe ability of the current to follow these impulses accurately depends upon the lightness and stiffness of the cone assembly.\u003c\/p\u003e\n\u003cp\u003eMany conventional cones: paper, impregnated fabric, plastics, aluminium etc all generally suffer from low stiffness.\u003c\/p\u003e\n\u003cp\u003eThis results in significantly larger areas of the cone vibrating in motion, uncontrolled by the voice coil.\u003c\/p\u003e\n\u003cp\u003eThese uncontrolled emotions produce transit “hangover”, amplitude distortion (peaks and troughs in the frequency response) and intermodulation distortion (lack of clarity of spurious tones).\u003c\/p\u003e\n\u003cp\u003eThose shortcomings are inherent in almost all direct radiator loudspeaker systems using conventional cones, irrespective of cost.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0806\/9500\/1374\/files\/1600x8001-1536x768.jpg?v=1722497404\"\u003e\u003c\/p\u003e\n\u003cp\u003eAll of these shortcomings are overcome by the Leak Sandwich construction.\u003c\/p\u003e\n\u003cp\u003eOriginally presented in 1961, the Sandwich used engineering and design principles applied to airframe construction.\u003c\/p\u003e\n\u003cp\u003eNow, reintroduced and re-engineered with modern-day learnings, the new Leak Sandwich cone comprises of a stiff aluminium skin for the outer surfaces (where the stresses are greatest) bonded to a thick core of a polymethacrylimide (PMI) based structural foam, often used aerospace and the automotive industries.\u003c\/p\u003e\n\u003cp\u003eThis applied, precision-engineered use of the most suitable materials in optimum proportions and dispositions gives immense rigidity.\u003c\/p\u003e\n\u003cp\u003eThis means the Leak Sandwich cone reproduces the signal applied to the voice coil, totally free from mechanical break-up and its associated distortions.\u003c\/p\u003e\n\u003cp\u003eThe result is a remarkably smooth frequency response, free from violent peaks or troughs over a very broad frequency range, indicative of an excellent, transient response.\u003c\/p\u003e\n\u003cp\u003eIt is not often sufficiently realised how profound the influence of the loudspeaker housing (the cabinet) is on the overall acoustic performance.\u003c\/p\u003e\n\u003cp\u003eIts design requires a great degree of electroacoustic knowledge as a design of the motor units themselves.\u003c\/p\u003e\n\u003cp\u003eThe new Leak Sandwich cabinet benefits from 60 years of technological development since the original.\u003c\/p\u003e\n\u003cp\u003eThe structure consists of a composition of MDF and composite board, thus creating a second ‘sandwich’ reference, with the boards layered for optimum cabinet strength.\u003c\/p\u003e\n\u003cp\u003eWhile the new cabinet fuses intelligent bracing with this ‘sandwich’ of materials, it also maintains a specific front-rear bracing, with the distinct, visible countersunk screw on the rear – a famous trait of the original.\u003c\/p\u003e\n\u003cp\u003eThe technology found within Leak audio devices presents science and innovation in abundance, yet the industrial design often draws favourable attention.\u003c\/p\u003e\n\u003cp\u003eJust like the warmly received Leak Stereo 130 and 230 integrated amplifier models, the new Leak Sandwich 150 and 250 loudspeaker models maintain the understated, classic Leak styling.\u003c\/p\u003e\n\u003cp\u003eFinished in a sumptuous walnut, real-wood veneer, the cabinet is decorated with an aluminium trim insert matched and finished to the same exemplary standards of the driver trims and cone materials.\u003c\/p\u003e\n\u003cp\u003eThe decorative grille cloth is purpose chosen to match the classic Leak styling with a specification for maximum acoustic transparency.\u003c\/p\u003e\n\u003cp\u003eA keen eye will also notice that the new Leak Sandwich 150 and 250 are supplied in perfectly matched pairs with a ‘handed’ array presentation.\u003c\/p\u003e\n\u003cp\u003eMuch more than continued industrial design traits, the meticulous placement of each driver is considered to the nth degree, thus enabling a projection of a truly precise stereo soundstage.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0806\/9500\/1374\/files\/Sandwich-150-250-High-Frequency-Unit-1536x768.jpg?v=1722497463\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Description:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3-way vented-box\/standmount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDesign Philosophy and Core Technology:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBass reflex\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTransducer Complement:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3-way\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDrivers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Driver:\u003c\/strong\u003e 11\" (280mm) Aluminium-Foamcore Sandwich cone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMidrange Driver:\u003c\/strong\u003e 4.25\" (108mm) Aluminium-Foamcore Sandwich cone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreble Driver:\u003c\/strong\u003e 1.2\" (30mm) Coated Textile Dome\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAV Shield:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity (2.83V @ 1m):\u003c\/strong\u003e 88.5dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Amplifier Power:\u003c\/strong\u003e 25-250W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak SPL:\u003c\/strong\u003e 112dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e 6Ω (8Ω Compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Impedance:\u003c\/strong\u003e 4Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response (+\/-3dB):\u003c\/strong\u003e 42Hz - 26kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Extension (-6dB):\u003c\/strong\u003e 32Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrossover Frequency:\u003c\/strong\u003e 470Hz \u0026amp; 3.1kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCabinet Volume:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.7L, 45.5L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (mm):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight (on plinth):\u003c\/strong\u003e 655mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 370mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth (with terminals):\u003c\/strong\u003e (300+30)mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCarton Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e500\u003cem\u003e430\u003c\/em\u003e790mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 27.3kg\/pcs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Weight:\u003c\/strong\u003e 30.2kg\/ctn\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReal Wood Veneer - Walnut\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStandard Accessories:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRubber feet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Accessories:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLeak Sandwich 250 stand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Leak","offers":[{"title":"Default Title","offer_id":45944485249210,"sku":"Leak Sandwich 250","price":49990.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5754\/1818\/files\/1_3d8f150e-5377-4a4e-be4c-88fb6ce77fca.png?v=1780485369","url":"https:\/\/game-online.shop\/products\/leak-sandwich-250-loudspeaker-pair","provider":"Game Online Shopping | We Beat Any Price","version":"1.0","type":"link"}