{"product_id":"ortofon-spu-mono-g-mk-ii-moving-coil-cartridge-and-headshell","title":"Ortofon SPU Mono G MK II Moving Coil Cartridge and Headshell","description":"\u003cp\u003eOrtofon SPU Mono GM MKII Cartridge\u003c\/p\u003e\n\u003cp\u003eThe Ortofon SPU Mono GM MKII is a dedicated mono cartridge designed to deliver an authentic playback experience for early vinyl recordings. Built around the classic SPU architecture, it faithfully reproduces the tonal character and energy of original mono pressings with impressive accuracy and musicality.\u003c\/p\u003e\n\u003cp\u003eWith a high output of 3mV, the SPU Mono GM MKII can be used directly with standard MM phono stages, removing the need for a moving coil transformer. This makes it a straightforward and effective solution for enjoying true mono playback within a wide range of systems.\u003c\/p\u003e\n\u003cp\u003eThe spherical stylus with a 25µm radius is specifically optimised for early mono groove formats, ensuring proper groove contact, stable tracking, and reduced record wear. The ground wood and resin composite body contributes to a natural, balanced sound while helping to control unwanted resonance.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDedicated mono cartridge for early vinyl records\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh output (3mV) – no MC transformer required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated headshell (GM type) for classic SPU mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpherical stylus optimised for mono groove dimensions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAuthentic tonal balance for vintage recordings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGround wood and resin body for resonance control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOutput Voltage: 3 mV (at 1kHz, 5cm\/sec)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency Response: 20 Hz – 15 kHz (+2\/-1dB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTracking Ability: \u0026gt; 70 µm (at 315Hz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompliance (Dynamic, Lateral): 12 µm\/mN\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStylus Type: Spherical\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStylus Radius: R 25 µm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTracking Force Range: 3.0 – 5.0 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecommended Tracking Force: 3.5 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTracking Angle: 20°\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal Impedance: 100Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecommended Load Impedance: 47kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuild \u0026amp; Design:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCartridge Body: Ground Wood \u0026amp; Resin Composite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCoil Wire: High Purity Copper (OFC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eColour: Shiny Black\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 30 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhat’s Included:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOrtofon SPU Mono GM MKII Cartridge (integrated headshell)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDocumentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: This product is available for in-store demonstration. Visit the Spinning Room showroom in Leeds to experience the SPU Mono GM MKII in person.\u003c\/p\u003e","brand":"Ortofon Cartridges","offers":[{"title":"Default Title","offer_id":58297854427520,"sku":"RTF-SPU-MN-G","price":849.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200-2_d5775705-961d-4e5e-a16e-1e60ae73f26a.png?v=1781876619","url":"https:\/\/thespinningroomhifi.co.uk\/products\/ortofon-spu-mono-g-mk-ii-moving-coil-cartridge-and-headshell","provider":"The Spinning Room Hifi","version":"1.0","type":"link"}