{"product_id":"ortofon-spu-gtx-s-mc-tonabnehmer","title":"Ortofon SPU GTX S MC Cartridge","description":"\u003cp\u003eThe Ortofon SPU GTX S is a moving-coil cartridge in the classic SPU format with a built-in transformer and a spherical stylus.\u003c\/p\u003e\n\u003cp\u003eThe spherical sibling of the GTX E: same concept, same built-in transformer, but with a round rather than elliptical cut — the more robust, less fussy of the two stylus types.\u003c\/p\u003e\n\u003ch2\u003eWhy the SPU GTX S?\u003c\/h2\u003e\n\u003cp\u003eThe built-in transformer makes the GTX S usable on any MM phono input — 4 mV is enough for amplifiers without a dedicated MC stage. The spherical stylus is more forgiving of not-quite-perfect azimuth and anti-skating settings than an elliptical one, and it's gentler on older pressings.\u003c\/p\u003e\n\u003ch2\u003eWhat you hear\u003c\/h2\u003e\n\u003cp\u003eThe warm, powerful SPU base character, with the round, slightly softer attack that spherical styli typically bring. Not a fine-detail resolver, but relaxed and musical over long listening sessions.\u003c\/p\u003e\n\u003ch3\u003eWho is the SPU GTX S suited for?\u003c\/h3\u003e\n\u003cp\u003eFor SPU beginners with a medium-weight to heavy tonearm who appreciate the built-in transformer and prefer to play it safe rather than chase the last bit of detail resolution. Straight talk: anyone who audibly wants more resolution should reach for the elliptical GTX E — the sonic differences are subtle, but present.\u003c\/p\u003e\n\u003ch2\u003eOur verdict\u003c\/h2\u003e\n\u003cp\u003eThe most down-to-earth way into SPU sound: built-in transformer, robust spherical stylus, no compromise on musicality.\u003c\/p\u003e\n\u003ch2\u003eTechnical data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: MC cartridge with built-in transformer (SPU design)\u003c\/li\u003e\n\u003cli\u003eStylus: spherical, r\/R 8\/18 µm\u003c\/li\u003e\n\u003cli\u003eOutput voltage (1 kHz, 5 cm\/s): 4 mV\u003c\/li\u003e\n\u003cli\u003eInternal impedance (DC): 610 ohms\u003c\/li\u003e\n\u003cli\u003eRecommended load capacitance: 150–600 pF\u003c\/li\u003e\n\u003cli\u003eChannel separation (1 kHz): 20 dB\u003c\/li\u003e\n\u003cli\u003eFrequency response: 20–20,000 Hz (±3 dB)\u003c\/li\u003e\n\u003cli\u003eTracking force: 4.0 g\u003c\/li\u003e\n\u003cli\u003eTracking angle: 20°\u003c\/li\u003e\n\u003cli\u003eCoil wire: OFC (oxygen-free copper)\u003c\/li\u003e\n\u003cli\u003eHousing: fiberglass-reinforced plastic with built-in transformer\u003c\/li\u003e\n\u003cli\u003eWeight: 38 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat's the difference between the GTX S and the GTX E?\u003c\/h3\u003e\n\u003cp\u003eThe stylus cut: spherical on the S, elliptical on the E. Spherical is more tolerant of setup and gentler on the groove with older pressings, elliptical resolves more finely. Electrically and mechanically, both are identical.\u003c\/p\u003e\n\u003ch3\u003eDo I need a separate transformer for the GTX S?\u003c\/h3\u003e\n\u003cp\u003eNo, it's already built in. A normal MM phono input is enough — that's what sets the GTX S apart from classic SPU cartridges without a built-in transformer.\u003c\/p\u003e\n\u003ch3\u003eWhy buy the Ortofon SPU GTX S at HD Zürisee?\u003c\/h3\u003e\n\u003cp\u003eBecause we'll tell you honestly whether your tonearm suits the SPU format, and fit the cartridge properly. Our technician Mauri sets tracking force, azimuth, and anti-skating to match your turntable at our shop in Wädenswil.\u003c\/p\u003e\n\u003ch2\u003eGoes well with\u003c\/h2\u003e\n\u003cp\u003eFor setup and maintenance, \u003ca href=\"\/en\/collections\/plattenspieler-zubehor\"\u003eturntable accessories\u003c\/a\u003e, for the groove \u003ca href=\"\/en\/collections\/platten-reinigung\"\u003erecord cleaning\u003c\/a\u003e, and more from the world of \u003ca href=\"\/en\/collections\/alles-vinyl\"\u003evinyl\u003c\/a\u003e.\u003c\/p\u003e","brand":"Ortofon","offers":[{"title":"Default Title","offer_id":53549169606992,"sku":"304062","price":1099.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/ortofon-spu-gtx-s-tonabnehmer-seitenansicht.png?v=1788609235","url":"https:\/\/hdzuerisee.ch\/en\/products\/ortofon-spu-gtx-s-mc-tonabnehmer","provider":"HD Zürisee AG","version":"1.0","type":"link"}