{"product_id":"grado-labs-green4-mi-phono-cartridge","title":"Grado Labs Green4 MI Phono Cartridge","description":"\u003cp\u003eGreen4 is part of the Grado Prestige Series, delivering the core performance and musical character that define Grado cartridges. Built on decades of cartridge design, it provides a stable and engaging presentation across a wide range of systems.\u003c\/p\u003e\n\u003cp\u003eUtilizing Grado’s moving iron design, Green4 offers a consistent and reliable signal with low moving mass and long-term performance. The die-injection molded housing supports dependable construction and ease of use.\u003c\/p\u003e\n\u003cp\u003eOffered in both standard mount and P-mount configurations, Green4 is designed for broad compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003ePerformance\u003c\/p\u003e\n\u003cp\u003eGreen4 is a high output moving iron cartridge designed for compatibility with a wide range of phono stages.\u003c\/p\u003e\n\u003cp\u003eIts presentation is balanced and musical, with clear detail and a smooth top end. The midrange carries warmth and presence, while low frequencies remain controlled and well defined.\u003c\/p\u003e\n\u003cp\u003eRecordings are presented with coherence and stability, maintaining a natural and engaging character that reflects the music.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eDiamond, Cantilever \u0026amp; Stylus\u003c\/p\u003e\n\u003cp\u003eGreen4 features a bonded elliptical diamond mounted to an aluminum cantilever.\u003c\/p\u003e\n\u003cp\u003eThe elliptical profile provides effective groove contact and reliable tracking, while the aluminum cantilever contributes to a stable and balanced presentation. This combination delivers consistent performance across a wide range of recordings.\u003c\/p\u003e\n\u003cp\u003eThe stylus assembly is user-replaceable, allowing for easy maintenance and long-term ownership. All Prestige Series styli are interchangeable, providing flexibility across models while maintaining consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eMoving Iron Design\u003c\/p\u003e\n\u003cp\u003eAll Grado cartridges utilize a moving iron design built on Joseph Grado’s patented flux-bridger principle.\u003c\/p\u003e\n\u003cp\u003eThis approach allows the cartridge to generate a precise signal with extremely low moving mass, while keeping the coil structure fixed. The result is a presentation that combines speed, control, and harmonic integrity without the fragility often associated with traditional moving coil systems.\u003c\/p\u003e\n\u003cp\u003eThe design also ensures long-term consistency, maintaining performance over time without degradation of the internal signal path.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eCoil \u0026amp; Internal Structure\u003c\/p\u003e\n\u003cp\u003eThe internal signal path is built using ultra-high purity 5N OCC copper, selected for its conductivity and consistency.\u003c\/p\u003e\n\u003cp\u003eEach cartridge undergoes cryogenic treatment and internal damping to reduce unwanted resonance and preserve signal integrity. The result is a presentation that remains coherent, balanced, and dynamically responsive.\u003c\/p\u003e\n\u003cp\u003eOutput - 4 mV @ 5 CMV (45 degrees)\u003cbr\u003eFrequency Response - 10-55,000 Hz\u003cbr\u003eChannel Separation - Average 25 DB, 10-30,000 Hz\u003cbr\u003eStylus - Diamond- Elliptical\u003cbr\u003eInput Load - 10k - 47k ohms\u003cbr\u003eInduction - 50 mH\u003cbr\u003eDC Resistance - 660 ohms\u003cbr\u003eCartridge Weight - 6 grams\u003cbr\u003eTracking Force - 1.6 -1.9 grams\u003cbr\u003eCompliance - 20 um\/mN\u003cbr\u003eMounting - P-mount or 1\/2’’ Screw Mount\u003cbr\u003e\u003c\/p\u003e","brand":"Grado Labs","offers":[{"title":"Standard","offer_id":47388406612108,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true},{"title":"P-Mount","offer_id":47388406644876,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/3308\/9164\/files\/gradoGreen-4.webp?v=1775758002","url":"https:\/\/www.ttvjaudio.com\/products\/grado-labs-green4-mi-phono-cartridge","provider":"TTVJ Audio","version":"1.0","type":"link"}