{"product_id":"grado-red-4","title":"Grado Red4","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"citation-234\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-234\"\u003eGrado Prestige Red4\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-234 citation-end-234\"\u003e is an entry-level moving-iron phono cartridge hand-assembled by Grado Labs in Brooklyn, NY.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-233 citation-end-233\"\u003eIt sits in the upper tier of Grado’s entry-level Prestige Series (directly above the Black4, Green4, and Blue4, and just below the flagship Gold4).\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eCore Characteristics \u0026amp; Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_53a89ed925556a16-91\"\u003e\u003cb\u003eMoving Iron Architecture:\u003c\/b\u003e \u003cspan class=\"citation-276 citation-end-276\"\u003eUnlike traditional Moving Magnet (MM) or Moving Coil (MC) designs, Grado uses a fixed coil\/magnet structure with a low-mass iron element moving inside the field.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-275 citation-end-275\"\u003eThis gives it a lower effective tip mass for quick transient response, but maintains a high 4.0 mV output so you don't need a specialized MC phono stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-275 citation-end-275\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003eThe \"Red\" Selection Process:\u003c\/b\u003e \u003cspan class=\"citation-274 citation-end-274\"\u003eThe Red4 shares the same internal construction as the lower-priced Green4.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e However, Grado tests and hand-selects the top ~10–15% of production runs that exhibit tighter channel balance, superior tracking tolerances, and better channel separation to be badged as a \u003cb\u003eRed4\u003c\/b\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-275 citation-end-275\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003eSonic Profile:\u003c\/b\u003e Classically \"Grado\"—warm, lush mid-range, deep bass, and smooth, non-fatiguing highs. \u003cspan class=\"citation-273 citation-end-273\"\u003eIt prioritizes musical engagement and vocal clarity over ultra-clinical detail.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grado","offers":[{"title":"Default Title","offer_id":47644458188962,"sku":null,"price":270.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5351\/2866\/files\/RED4-1.webp?v=1789147524","url":"https:\/\/www.solaudio.ca\/products\/grado-red-4","provider":"SolAudio","version":"1.0","type":"link"}