{"product_id":"nagaoka-jeweltone-jt-80bk-mm-phono-cartridge","title":"Nagaoka - Jeweltone JT-80BK MM Phono Cartridge","description":"\u003cp\u003e\u003cstrong\u003eBlack — boron cantilever, nude elliptical diamond, and Nagaoka's moving-magnet flagship. Best Audio Equipment at the 2020 JAZZ JAPAN AWARD.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEverything else Nagaoka makes is Moving Permalloy: magnets and coils fixed in the body, a light permalloy element riding the cantilever. Jeweltone is not that. Introduced for the company's 80th anniversary in 2020, the JT-80 series uses a conventional moving-magnet generator, designed from the ground up rather than adapted from an MP body — the same diamonds and the same cantilever expertise applied to a different operating principle.\u003c\/p\u003e\n\u003cp\u003eThe JT-80BK is the serious one. It moves to a boron cantilever and a nude elliptical diamond, both of which cut moving mass where it matters most, and Nagaoka's claim for the result is greater delicacy in the upper frequencies with a balanced presentation from top to bottom. Channel separation reaches 25 dB and channel balance tightens to 1.0 dB or less.\u003c\/p\u003e\n\u003cp\u003eOutput drops to 3.0 mV — still a straightforward moving-magnet figure into a standard 47 kΩ input, but enough of a step down from the JT-80LB's 5.0 mV that a quiet phono stage earns its keep. Dynamic compliance is published at 7.3 × 10⁻⁶ cm\/dyne, a medium figure suiting medium-mass tonearms, and the cartridge tracks at 1.3 to 1.8 g.\u003c\/p\u003e\n\u003cp\u003eThe JT-80BK took the Best Audio Equipment Award at the 2020 JAZZ JAPAN AWARD, and the JT-80 series holds a Good Design Award.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTrue moving-magnet generator, designed from scratch — not an adapted MP body\u003c\/li\u003e\n\u003cli\u003e0.4 × 0.7 mil nude elliptical diamond on a boron cantilever\u003c\/li\u003e\n\u003cli\u003e25 dB channel separation; channel balance inside 1.0 dB\u003c\/li\u003e\n\u003cli\u003e3.0 mV output into a standard 47 kΩ moving magnet input\u003c\/li\u003e\n\u003cli\u003eDynamic compliance published at 7.3 × 10⁻⁶ cm\/dyne\u003c\/li\u003e\n\u003cli\u003eLight 1.3 – 1.8 g tracking force\u003c\/li\u003e\n\u003cli\u003eUser-replaceable stylus assembly — genuine Nagaoka JTS-80BK\u003c\/li\u003e\n\u003cli\u003eBest Audio Equipment Award, 2020 JAZZ JAPAN AWARD; JT-80 series holds a Good Design Award\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Moving magnet (MM) stereo cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 3.0 mV at 5 cm\/sec\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20 Hz – 20,000 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Separation:\u003c\/strong\u003e 25 dB at 1 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Balance:\u003c\/strong\u003e 1.0 dB or less\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStylus:\u003c\/strong\u003e 0.4 × 0.7 mil nude elliptical diamond\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCantilever:\u003c\/strong\u003e Boron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Compliance:\u003c\/strong\u003e 7.3 × 10⁻⁶ cm\/dyne\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTracking Force:\u003c\/strong\u003e 1.3 – 1.8 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Resistance:\u003c\/strong\u003e 47 kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Capacitance:\u003c\/strong\u003e 100 pF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCartridge Weight:\u003c\/strong\u003e 6.7 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Stylus:\u003c\/strong\u003e Nagaoka JTS-80BK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Half inch (1\/2\") standard mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReleased:\u003c\/strong\u003e 16 October 2020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nagaoka","offers":[{"title":"Default Title","offer_id":48321376125134,"sku":"4967736081542","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/5027\/0926\/files\/JT-80BK.jpg?v=1788380522","url":"https:\/\/www.theingroove.com\/de\/products\/nagaoka-jeweltone-jt-80bk-mm-phono-cartridge","provider":"The 'In' Groove","version":"1.0","type":"link"}