{"product_id":"aurorasound-afe-12-step-up-transformer","title":"Aurorasound AFE-12 Step Up Moving coil transformer SUT","description":"\u003cp\u003eAurorasound AFE-12 Step-Up Transformer\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe AFE-12 is a compact step-up transformer designed to allow low-output moving coil cartridges to be used with standard MM phono inputs. By using a transformer-based approach, it preserves signal integrity while providing the necessary gain without introducing active circuitry.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• step-up transformer (MC to MM)\u003cbr\u003e• Lundahl MC transformer\u003cbr\u003e• selectable cartridge loading (3 positions)\u003cbr\u003e• passive design – no active circuitry\u003cbr\u003e• gold-plated RCA connectors\u003cbr\u003e• compact, vibration-damped enclosure\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe AFE-12 uses a high-quality Lundahl transformer to step up the signal from low-output MC cartridges. This method maintains the natural characteristics of the cartridge, avoiding coloration while improving signal level for MM inputs.\u003c\/p\u003e\n\u003cp\u003eA three-position impedance selector allows matching to different cartridge types:\u003c\/p\u003e\n\u003cp\u003e• low: 0.7 – 10Ω\u003cbr\u003e• mid: 11 – 30Ω\u003cbr\u003e• high: 31 – 100Ω\u003c\/p\u003e\n\u003cp\u003eThis flexibility ensures optimal loading and performance across a wide range of MC cartridges.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• Lundahl transformer core\u003cbr\u003e• gold-plated RCA input and output connectors\u003cbr\u003e• pure cotton internal damping material\u003cbr\u003e• compact metal enclosure\u003c\/p\u003e\n\u003cp\u003eThe internal use of pure cotton damping helps reduce mechanical vibration, contributing to cleaner signal transmission.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• transparent and uncoloured presentation\u003cbr\u003e• preserves cartridge tonal balance\u003cbr\u003e• improved gain without added noise\u003cbr\u003e• stable and natural signal transfer\u003c\/p\u003e\n\u003cp\u003eThe passive transformer design avoids introducing additional noise or distortion, making it an effective solution for high-quality analogue systems.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe AFE-12 is simple to integrate into a system, sitting between the turntable and a MM phono stage. Its compact size allows easy placement without taking up significant space.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• input: RCA (from turntable MC cartridge)\u003cbr\u003e• output: RCA (to MM phono stage)\u003cbr\u003e• gain: 26dB (low position)\u003cbr\u003e• frequency response: 20Hz – 50kHz (-3dB)\u003cbr\u003e• impedance selection: low \/ mid \/ high\u003cbr\u003e• dimensions: 70 x 30 x 95mm\u003cbr\u003e• weight: 244g\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThe AFE-12 is designed for use with low-output moving coil cartridges and a MM phono stage. Correct impedance selection is important to achieve optimal performance.\u003cbr\u003e\u003c\/p\u003e","brand":"Aurorasound","offers":[{"title":"Default Title","offer_id":58297877496192,"sku":"RRS-AFE-12-STP","price":779.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200-1_e20e036f-d3cc-4c74-9ac8-79c6d6c4db0f.png?v=1781876735","url":"https:\/\/thespinningroomhifi.co.uk\/products\/aurorasound-afe-12-step-up-transformer","provider":"The Spinning Room Hifi","version":"1.0","type":"link"}