{"product_id":"unity-audio-the-boulder-pair-demo-deal","title":"Unity Audio The Boulder MKI - Pair (Demo Deal)","description":"\u003cp\u003eThe next active professional monitor following on from the The Rock, is the new \u003cstrong\u003eBoulder\u003c\/strong\u003e. This monitor shares some of the same interesting material and designs such as a Baltic Birch plywood cabinet and a Corian front baffle, but the Boulder uses a huge 30mm slab of Corian instead of The Rock's 12mm and has large radius edges to reduce reflection. Like The Rock, this new model will boost true fidelity, fast, accurate \u0026amp; detailed sound, but with significantly extended bass response and an even more detailed mid range and higher SPLs for larger rooms. \u003cbr\u003e\u003cbr\u003eTwo 180mm (7'') woofers are used (the same woofer model as in The Rock), increasing low frequency extension and achieving higher SPLs. Each woofer has a 0.2mm aluminium foil chemically bonded to a rigid pulp fibre cone. This reduces harmonic anomalies and permits +\/-15mm of woofer travel producing accurate low bass frequencies. The use of aluminium bound to a pulp fibre cone insures that the woofer cone will remain symmetrical at all frequencies, producing a long life for the woofer element and full accuracy of the driver through its life. Something few other materials can claim.\u003c\/p\u003e\r\n\u003cp\u003eA new dual coaxial midrange \u0026amp; tweeter is employed, which is another  unique feature of The Boulder. This new unit is a unique combination of a  flat aluminium honeycomb midrange ring radiator and a concentrically  arranged folded ribbon tweeter. This design realizes the vision of an  acoustic point source! This facilitates an optimized acoustic power  response and results in a homogeneous and very wide sound dispersion  angle which provides for a new kind of relaxed but very precise  reproduction.\u003cbr\u003e\u003cbr\u003eThe ultra lightweight honeycomb diaphragm provides a  reduced stray magnetic field combined with a strong neodymium drive.  The system is driven by a 78mm moving coil. High efficiency is achieved  using coppered aluminium flat wire, edgewise-wound, on a ventilated  capton bobbin. The resulting unit will deal with frequencies from 450Hz  to 50kHz. \u003cbr\u003e\u003cbr\u003eThe amplifier is a bespoke design by Tim De Paravicini  whose company, Esoteric Audio Research, is regarded as one of the  world's best amplifier designers. Due to the modular design of The Rock  amplifier, The Boulder uses the same amplifier modules from The Rock,  but it employs a total of four amplifier cards per cabinet, one for each  woofer, one for the mid, and one for the tweeter. The design is a true  discrete bi-polar low feedback amplifier with custom-wound transformers  and dedicated LF, Mid, HF sections with overload\/clip protection, which  results in very fast, clean, and astoundingly accurate reproduction.\u003c\/p\u003e\r\n\u003cp\u003e \u003c\/p\u003e\r\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unity Audio Ltd.","offers":[{"title":"Default Title","offer_id":44449547157607,"sku":"33322","price":5995.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/unity_the_boulder_pair_1_27d98b9c-a026-470e-a775-b649bed1b656.jpg?v=1787089404","url":"https:\/\/vintageking.mom\/products\/unity-audio-the-boulder-pair-demo-deal","provider":"Vintage King","version":"1.0","type":"link"}