{"product_id":"ortofon-spu-classic-n-moving-coil-cartridge","title":"Ortofon SPU Classic N Moving Coil Cartridge","description":"\u003cp\u003eOrtofon SPU Classic N Cartridge\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Ortofon SPU Classic N delivers the renowned SPU sound in a more flexible format, designed for use with traditional detachable headshells. Retaining the same sonic character as the SPU Classic GM series, this version allows enthusiasts to pair the cartridge with their preferred headshell or restore vintage SPU setups with authentic performance.\u003c\/p\u003e\n\u003cp\u003eKnown for its rich, full-bodied presentation, the SPU Classic N offers a smooth and natural sound with excellent musical flow. Its Nude Spherical stylus provides stable tracking and a forgiving nature, making it particularly well-suited to a wide range of vinyl, including older recordings.\u003c\/p\u003e\n\u003cp\u003eBuilt using high-purity copper (OFC) coil wire and a low internal impedance design, the cartridge ensures clean signal transmission and strong dynamic expression, delivering the classic SPU listening experience.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eClassic SPU sound in a headshell-free format\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with traditional detachable headshells\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for vintage SPU system restoration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNude spherical stylus for smooth, stable tracking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow internal impedance for clean signal transfer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-purity OFC copper coil wire\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: 0.2 mV (at 1kHz, 5cm\/sec)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChannel Balance: \u0026lt; 1 dB (at 1kHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChannel Separation: \u0026gt; 20 dB (1kHz), \u0026gt; 10 dB (15kHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency Response: 20 Hz – 20 kHz (±3dB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTracking Ability: 65 µm (at 315Hz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompliance (Dynamic, Lateral): 8 µm\/mN\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStylus Type: Nude Spherical\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStylus Radius: R 18 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: 4.0 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: 2Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecommended Load Impedance: \u0026gt; 10Ω\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\u003eCoil Wire: High Purity Copper (OFC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eColour: Black\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 13 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 Classic N Cartridge\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 Classic N in person.\u003c\/p\u003e","brand":"Ortofon Cartridges","offers":[{"title":"Default Title","offer_id":58297853346176,"sku":"RTF-SPU-CLS-N1","price":725.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200-1_b8d330cc-aa68-4ad8-96ca-d8041ff73485.png?v=1781876615","url":"https:\/\/thespinningroomhifi.co.uk\/products\/ortofon-spu-classic-n-moving-coil-cartridge","provider":"The Spinning Room Hifi","version":"1.0","type":"link"}