{"product_id":"grado-opus4","title":"Grado Opus4","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan class=\"citation-510\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-510\"\u003eGrado Opus4\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-510\"\u003e is the entry-level phono cartridge in Grado Labs' mid-tier \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-510\"\u003eTimbre Series\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-510 citation-end-510\"\u003e.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-509 citation-end-509\"\u003eHand-built in Brooklyn, NY, it serves as the bridge between Grado’s entry-level plastic-bodied Prestige line and their higher-end audiophile wood-body cartridges.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features \u0026amp; Construction\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_3b667d43067f867e-156\"\u003e\u003cb\u003eMoving Iron (MI) Generator:\u003c\/b\u003e \u003cspan class=\"citation-508 citation-end-508\"\u003eUtilizes Grado's flux-bridger design.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-507 citation-end-507\"\u003eThis offers the low effective moving mass and quick transient response of Moving Coil (MC) designs, but with higher output and lower fragility.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-507 citation-end-507\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003eAmerican Maple Housing:\u003c\/b\u003e Unlike plastic entry-level cartridges, the Opus4 uses a thermally aged North American Maple wood body to dampen internal resonances and deliver a warmer, more musical sound profile.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-507 citation-end-507\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003e3-Piece OTL Cantilever \u0026amp; Elliptical Diamond:\u003c\/b\u003e \u003cspan class=\"citation-506 citation-end-506\"\u003eUses an aluminum Optimized Tip-to-Link (OTL) cantilever paired with a bonded elliptical diamond stylus to minimize mechanical noise and track record grooves reliably.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-507 citation-end-507\"\u003e\u003cspan class=\"citation-506 citation-end-506\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cb\u003eOCC Copper Coils:\u003c\/b\u003e \u003cspan class=\"citation-505 citation-end-505\"\u003eHigh-purity 5N Oxygen-Free Continuous Cast copper wiring is used in the generator coils to ensure a clean, detailed signal path.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grado","offers":[{"title":"Default Title","offer_id":47644466118818,"sku":null,"price":450.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5351\/2866\/files\/Opus4.webp?v=1789148289","url":"https:\/\/www.solaudio.ca\/products\/grado-opus4","provider":"SolAudio","version":"1.0","type":"link"}