{"product_id":"fonolab-qvattvor-classic-true-balanced-mc-step-up-transformer","title":"Fonolab QVATTVOR Classic Full-Differential MC Step-Up Transformer","description":"\u003cdiv class=\"post-shipping-info\"\u003e\u003cspan\u003e*This item is made-to-order. Shipping may take approximately 2–3 weeks.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"products-eyecatch\"\u003e\n\u003ch3\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eExtracting the finely engraved signals in the grooves without a single drop of cloudiness\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch4\u003e\n\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eThe pinnacle of fully differential (full-differential) design that pursues signal symmetry to the extreme\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"products-desc-title\"\u003eDescription\u003c\/div\u003e\n\u003cp data-path-to-node=\"8\"\u003eQVATTVOR Classic is a reference-class step-up transformer designed to maximize the potential of low-output MC cartridges. Instead of merely matching connection terminal standards, it adopts a \"fully differential architecture\" that defines the physical behavior of the signal itself. Its design, which allows no structural interference, brings unprecedented \"structural precision\" to analog playback.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/9139\/7377\/files\/IMG_5105.jpg?v=1775208281\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003e\u003cstrong\u003eA \"different world\" recognized only for QVATTVOR by audiophiles worldwide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11,0,0\"\u003e\"The mist of the space clears, and the stage appears right before your eyes\"\u003c\/b\u003e An astonishing channel separation of over 80dB (20Hz–50kHz) delivers a realistic and tangible soundstage. Its overwhelming spatial control, described as \"eliminating the ambiguity of mixed left and right sounds and fixing instrument positions to millimeter precision,\" is a result of the dual-mono magnetic structure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11,1,0\"\u003e\"Articulation of minute signals (clarity)\"\u003c\/b\u003e Users report, \"I can now sense a solid core even in previously inaudible, fading pianissimo passages.\" By maintaining signal symmetry, it accurately captures fine details often buried in noise, bringing deep shading and drama to music.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"11,2,0\"\u003e\"The musicality of Tamura-made Super Permalloy\"\u003c\/b\u003e Pairs of closely matched Tamura-made transformers are used. Praised for both reliability and musicality, it has been described as \"a treasure of domestic transformers that, while modern and high-resolution, draws the backbone of music robustly and reliably.\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"13\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/9139\/7377\/files\/IMG_5120.jpg?v=1775208280\" alt=\"\"\u003e\u003c\/h3\u003e\n\u003ch3 data-path-to-node=\"13\"\u003e\u003cstrong\u003eInnovation brought by fully differential (full-differential) design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eThe core of QVATTVOR, the \"fully differential architecture,\" is not merely a difference in connection style. It is the physical optimal solution to completely protect weak MC signals from external noise and distortion.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/9139\/7377\/files\/Gemini_Generated_Image_ihp0mrihp0mrihp0_1024x1024.png?v=1774968213\"\u003e\u003c\/div\u003e\n\u003ch4 data-path-to-node=\"16\"\u003e\u003cstrong\u003e1. Why 'fully differential'? — Self-cancellation of noise\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp data-path-to-node=\"17\"\u003eIn a fully differential system, signals are treated as pairs of \"positive (+)\" and \"negative (−)\" phases and transmitted completely isolated from the ground.\u003c\/p\u003e\n\u003cul data-path-to-node=\"18\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,0,0\"\u003eTechnical Benefits:\u003c\/b\u003e External noise introduced into the circuit cancels out when the positive and negative signals are combined at the output, allowing only the music signal to be purely extracted.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"18,1,0\"\u003eListening Effects:\u003c\/b\u003e Overwhelming reduction of the noise floor. From the pitch-black silence, subtle reverberations that were previously inaudible emerge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"19\"\u003e\u003cstrong\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/9139\/7377\/files\/IMG_5157-2.jpg?v=1776677166\"\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch4 data-path-to-node=\"19\"\u003e\u003cstrong\u003e2. Uncompromising Architecture: Pursuit of Signal Integrity\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul data-path-to-node=\"20\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,0,0\"\u003eFloating Differential RCA Input\u003c\/b\u003e Even with RCA inputs, signals are instantly disconnected from the ground and immediately converted to differential internally. Consistent symmetry is maintained from input to output, thoroughly eliminating noise intrusion even when using unbalanced connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"20,1,0\"\u003eNewly Designed FUCHS Universal Chassis\u003c\/b\u003e Achieves compactness and lightweight design while improving shielding and damping characteristics. Equipped with abundant XLR\/RCA-compatible inputs and outputs and flexible grounding options to minimize hum noise, ensuring seamless integration into any high-end system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"products-desc-title\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0612\/9139\/7377\/files\/IMG_5117.jpg?v=1775208280\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"products-desc-title\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; height: 171px;\" class=\"table-spec\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"width: 23.262%; height: 19px;\" scope=\"row\"\u003eInput Impedance:\u003c\/th\u003e\n\u003ctd style=\"width: 76.4751%; height: 19px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e0-5Ω \/ 40Ω (switchable)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"width: 23.262%; height: 19px;\" scope=\"row\"\u003eOutput Impedance:\u003c\/th\u003e\n\u003ctd style=\"width: 76.4751%; height: 19px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e4kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"width: 23.262%; height: 19px;\" scope=\"row\"\u003e\n\u003cmeta charset=\"utf-8\"\u003ePlayback Frequency:\u003c\/th\u003e\n\u003ctd style=\"width: 76.4751%; height: 19px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e10Hz ~ 100kHz (+-1.0dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width: 23.262%;\"\u003eChannel Separation:\u003c\/th\u003e\n\u003ctd style=\"width: 76.4751%;\"\u003e80dB or higher (20Hz–50kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width: 23.262%;\"\u003ePhase Characteristics:\u003c\/th\u003e\n\u003ctd style=\"width: 76.4751%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eWithin 10° (20Hz–50kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"width: 23.262%; height: 19px;\" scope=\"row\"\u003eGain Ratio:\u003c\/th\u003e\n\u003ctd style=\"width: 76.4751%; height: 19px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e1:36 \/ 1:10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width: 23.262%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eDimensions:\u003c\/th\u003e\n\u003ctd style=\"width: 76.4751%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eW155 x D215 x H70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"width: 23.262%; height: 19px;\" scope=\"row\"\u003eWeight:\u003c\/th\u003e\n\u003ctd style=\"width: 76.4751%; height: 19px;\"\u003e2.1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"products-desc-title\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Fonolab","offers":[{"title":"Default Title","offer_id":48300580405505,"sku":"QVATTVOR","price":695000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/9139\/7377\/files\/IMG_5104.jpg?v=1775208452","url":"https:\/\/exclusive-audio.jp\/en\/products\/fonolab-qvattvor-classic-true-balanced-mc-step-up-transformer","provider":"ExAUDIO","version":"1.0","type":"link"}