{"title":"Transformers","description":"\u003cp style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-line: none; text-decoration-thickness: auto; text-decoration-style: solid;\"\u003eStep-up transformers are designed to boost the extremely low signal from moving coil cartridges to a level suitable for a phono stage, preserving dynamics, tonal colour and detail without adding noise or distortion. Unlike active gain stages, transformers work passively, helping retain the natural character of the cartridge while improving signal integrity and system matching. At Spinning Room HiFi, you’ll find a carefully selected range of transformers from Ortofon, Music First Audio, Aurorasound and Puresound, all available to hear and compare in-store.\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"ortofon-st-80-step-up-transformer-sut","title":"Ortofon ST-80 Step-up transformer SUT","description":"\u003cp\u003eOrtofon ST-80 Special Edition Moving Coil Transformer\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Ortofon ST-80 Special Edition is a high-performance step-up transformer designed to unlock the full potential of moving coil cartridges. Built for serious analogue systems, it enhances signal gain while preserving detail, tonal balance, and musical integrity.\u003c\/p\u003e\n\u003cp\u003eAt its core, the ST-80 SE features an upgraded transformer design with a larger bobbin, increased coil windings, and a multi-layer permalloy core. These enhancements deliver a more detailed, full-bodied sound with improved warmth and clarity, while maintaining excellent signal purity.\u003c\/p\u003e\n\u003cp\u003eThe transformer is housed within a magnetically shielded permalloy case and encased in a solid 10mm thick aluminium cylinder. This construction provides exceptional isolation from external interference, ensuring a low noise floor and stable performance. Its substantial weight further improves stability, preventing movement once installed.\u003c\/p\u003e\n\u003cp\u003eDesigned as a true dual mono unit, the ST-80 SE offers outstanding channel separation, contributing to a more precise and focused stereo image. Internally, it uses Teflon-insulated, solid-core OFC copper wiring with gold plating, alongside high-quality gold-plated RCA terminals, ensuring optimal signal transmission throughout.\u003c\/p\u003e\n\u003cp\u003eThe ST-80 SE is compatible with a wide range of high-end moving coil cartridges, including Ortofon’s Cadenza, SPU, and Exclusive Series models. It is particularly well suited to premium analogue setups, delivering increased gain without introducing distortion.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-end moving coil step-up transformer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUpgraded permalloy core with increased coil windings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarger bobbin design for improved performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePure dual mono construction for maximum channel separation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMagnetically shielded permalloy case\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e10mm thick aluminium housing for vibration and noise isolation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTeflon-insulated, gold-plated OFC copper internal wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-quality gold-plated RCA terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with a wide range of MC cartridges\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\u003eFrequency Response: 10 Hz – 100 kHz (+0.5 dB \/ -2.5 dB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGain: 27 dB (47 kΩ \/ 1 kHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput Impedance: 2 Ω – 6 Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLoad Impedance: \u0026gt; 47 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChannel Balance: \u0026lt; 0.5 dB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChannel Separation: \u0026gt; 90 dB (1 kHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions: 153 x 95 x 110 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 1.36 kg\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\u003eCore Material: Multi-layer permalloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHousing: 10mm aluminium cylinder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShielding: Magnetic permalloy case\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal Wiring: Gold-plated OFC copper with Teflon insulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfiguration: Dual mono\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 ST-80 Special Edition Transformer\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 ST-80 SE in person.\u003c\/p\u003e","brand":"Ortofon","offers":[{"title":"Default Title","offer_id":58297858130304,"sku":"RTF-ST-80-STP","price":1549.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_ce908b16-87f0-4418-bdeb-f2b40ec73e2c.png?v=1781876638"},{"product_id":"ortofon-st-70-step-up-transformer-sut","title":"Ortofon ST-70 Step-up transformer SUT","description":"\u003cp\u003eOrtofon ST-70 Moving Coil Transformer\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Ortofon ST-70 is a high-quality step-up transformer designed to deliver clean, detailed signal amplification for moving coil cartridges. Combining precision engineering with a refined, minimalist design, it offers exceptional noise performance, clarity, and musical transparency.\u003c\/p\u003e\n\u003cp\u003eAt the heart of the ST-70 are premium Lundahl™ transformers, enclosed within specialised mu-metal shielding. This combination ensures outstanding rejection of both internal and external interference, resulting in an exceptionally quiet background and highly revealing sound reproduction.\u003c\/p\u003e\n\u003cp\u003eThe ST-70 features a true dual mono design, with completely separate circuitry for each channel. This eliminates crosstalk and reduces distortion, delivering cleaner, clearer audio with significantly improved stereo imaging and a more expansive, lifelike soundstage.\u003c\/p\u003e\n\u003cp\u003eBuilt with signal integrity in mind, the unit uses high-quality industrial-grade PCB construction, gold-plated RCA terminals, and Teflon insulation throughout. Internal wiring is kept to an absolute minimum to preserve the purity and accuracy of the audio signal from input to output.\u003c\/p\u003e\n\u003cp\u003eFor flexibility, the ST-70 includes internal jumpers that allow selection between two gain and impedance settings, ensuring compatibility with a wide range of moving coil cartridges. It pairs particularly well with high-end cartridges such as the Ortofon Cadenza series, providing the required gain while maintaining low noise and accurate tonal balance.\u003c\/p\u003e\n\u003cp\u003eAs a passive device, the ST-70 boosts the low output of moving coil cartridges without introducing additional electronic noise. This makes it a clean and transparent alternative to active MC phono preamplplifiers, delivering natural sound without added colouration.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e• High-performance moving coil step-up transformer\u003cbr\u003e• Lundahl™ transformers for detailed, low-noise signal amplification\u003cbr\u003e• Mu-metal shielding for protection against internal and external interference\u003cbr\u003e• True dual mono design for maximum channel separation\u003cbr\u003e• Minimal internal wiring for optimal signal purity\u003cbr\u003e• Gold-plated RCA terminals with Teflon insulation\u003cbr\u003e• Industrial-grade PCB construction\u003cbr\u003e• Selectable gain and impedance via internal jumpers\u003cbr\u003e• Compatible with a wide range of MC cartridges\u003cbr\u003e• Passive design for ultra-low noise performance\u003c\/p\u003e\n\u003cp\u003eTechnical Highlights:\u003c\/p\u003e\n\u003cp\u003e• Passive signal amplification with no added electronic noise\u003cbr\u003e• Excellent stereo imaging and channel separation\u003cbr\u003e• Accurate tonal balance with no added colouration\u003cbr\u003e• Highly effective interference rejection\u003cbr\u003e• Wide compatibility with MC cartridges and phono stages\u003cbr\u003e• Cleaner signal gain compared to active MC preamplifiers\u003c\/p\u003e\n\u003cp\u003eWhat’s Included:\u003c\/p\u003e\n\u003cp\u003e• Ortofon ST-70 Transformer\u003cbr\u003e• Documentation\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThis product is available for in-store demonstration. Visit the Spinning Room showroom in Leeds to experience the ST-70 in person.\u003cbr\u003e\u003c\/p\u003e","brand":"Ortofon","offers":[{"title":"Default Title","offer_id":58297858195840,"sku":"RTF-ST-70-STP","price":1199.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_a04f4e37-137a-4086-aad8-b48f96b0040c.png?v=1781876639"},{"product_id":"ortofon-st-7-step-up-mc-transformer","title":"Ortofon ST-7 Step-up MC Transformer","description":"\u003cp\u003eOrtofon ST-7 Moving Coil Transformer\u003cbr\u003eAvailable to experience in-store at the Spinning Room showroom \u003c\/p\u003e\n\u003cp\u003eThe Ortofon ST-7 is a compact and stylish step-up transformer designed to deliver excellent audio clarity while reducing the load on your phono stage. With a refined electrical design and high-quality internal components, it provides clean, open sound across the full frequency range.\u003c\/p\u003e\n\u003cp\u003eThe ST-7 features a unique sandwich winding structure, which significantly improves high-frequency response, resulting in a detailed and airy presentation. Gold-plated terminals and high-quality internal wiring ensure optimal signal transmission with minimal loss.\u003c\/p\u003e\n\u003cp\u003eA true dual mono design, combined with individual shielding for each channel, enhances stereo imaging while reducing the impact of external noise. The use of permalloy shielding further protects signal integrity, helping maintain a quiet and controlled performance.\u003c\/p\u003e\n\u003cp\u003eCompatible with a wide range of moving coil cartridges, the ST-7 is particularly well suited to models such as the Ortofon MC Quintet Series, SPU Classic, and SPU #1. By boosting the signal from an MC cartridge to MM level, it provides increased output without introducing distortion or relying on additional gain from your amplifier.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e• Compact and stylish design\u003cbr\u003e• High-performance moving coil step-up transformer\u003cbr\u003e• Sandwich winding structure for improved high-frequency response\u003cbr\u003e• Dual mono design for enhanced channel separation\u003cbr\u003e• Individual channel shielding for reduced noise\u003cbr\u003e• Permalloy shielding housing\u003cbr\u003e• Gold-plated terminals for optimal conductivity\u003cbr\u003e• High-quality internal wiring for signal integrity\u003cbr\u003e• Compatible with a wide range of MC cartridges\u003cbr\u003e• Particularly suited to Ortofon MC Quintet and SPU models\u003c\/p\u003e\n\u003cp\u003eTechnical Highlights:\u003c\/p\u003e\n\u003cp\u003e• Clear, open sound across the full frequency range\u003cbr\u003e• Improved stereo imaging and channel separation\u003cbr\u003e• Reduced environmental noise interference\u003cbr\u003e• Clean signal boost without added distortion\u003cbr\u003e• Efficient alternative to active MC phono stages\u003c\/p\u003e\n\u003cp\u003eSpecification:\u003c\/p\u003e\n\u003cp\u003e• Frequency Response: 15 – 45 kHz (+0 dB \/ -2.5 dB)\u003cbr\u003e• Gain: 24 dB (47 kΩ \/ 1 kHz)\u003cbr\u003e• Cartridge Impedance: 2 Ω – 60 Ω\u003cbr\u003e• Load Impedance: \u0026gt; 47 kΩ\u003cbr\u003e• Channel Balance: \u0026lt; 0.5 dB\u003cbr\u003e• Channel Separation: 70 dB (1 kHz)\u003cbr\u003e• Dimensions: 122 (W) x 43.5 (H) x 102 (D) mm\u003cbr\u003e• Depth including terminals: 113 mm\u003cbr\u003e• Weight: 0.79 kg\u003c\/p\u003e\n\u003cp\u003eWhat’s Included:\u003c\/p\u003e\n\u003cp\u003e• Ortofon ST-7 Transformer\u003cbr\u003e• Documentation\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThis product is available for in-store demonstration. Visit the Spinning Room showroom in Leeds to experience the ST-7 in person.\u003cbr\u003e\u003c\/p\u003e","brand":"Ortofon","offers":[{"title":"Default Title","offer_id":58297858326912,"sku":"RTF-ST-7-STP","price":699.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_aab26f13-c7f7-42f3-a992-93606758d1b6.png?v=1781876639"},{"product_id":"music-first-audio-v2-mc-step-up-transformer","title":"Music First Audio V2 MC Step up transformer","description":"\u003cp\u003eMusic First Audio Baby Classic Moving Coil Step-Up Transformer\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Music First Audio Baby Classic is a high-quality moving coil step-up transformer designed to deliver clean, low-noise signal amplification for MC cartridges. Built around the renowned Stevens \u0026amp; Billington TX103 transformer, it offers exceptional transparency, flexibility, and control.\u003c\/p\u003e\n\u003cp\u003eUsers can choose between different step-up ratios, including 1:5, 1:10, and 1:20, with 1:10 supplied as standard. Additional ratios are available on request, allowing the unit to be tailored to specific cartridge requirements.\u003c\/p\u003e\n\u003cp\u003eThe front panel features a 6-position loading switch, enabling precise matching between cartridge and system for optimal performance. A 3-position ground lift switch and grounding post provide effective control over grounding configurations, helping to eliminate hum and noise.\u003c\/p\u003e\n\u003cp\u003eAs a passive device, the Baby Classic provides gain without introducing additional noise or colouration. The transformer design also isolates components, helping to break ground loops and further reduce unwanted interference.\u003c\/p\u003e\n\u003cp\u003eThe unit is available in black or silver casework, with optional XLR inputs and outputs for enhanced connectivity in high-end systems.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e• High-performance moving coil step-up transformer\u003cbr\u003e• Stevens \u0026amp; Billington TX103 transformer core\u003cbr\u003e• Selectable step-up ratios (1:5, 1:10, 1:20)\u003cbr\u003e• 1:10 ratio supplied as standard\u003cbr\u003e• 6-position cartridge loading switch (front panel)\u003cbr\u003e• 3-position ground lift switch\u003cbr\u003e• Dedicated grounding post\u003cbr\u003e• Passive operation for low-noise performance\u003cbr\u003e• Optional XLR inputs and outputs\u003cbr\u003e• Available in black or silver finish\u003c\/p\u003e\n\u003cp\u003eTechnical Highlights:\u003c\/p\u003e\n\u003cp\u003e• Clean signal gain without added noise or colouration\u003cbr\u003e• Flexible cartridge matching via selectable loading\u003cbr\u003e• Effective ground loop isolation and noise reduction\u003cbr\u003e• High transparency and signal integrity\u003cbr\u003e• Suitable for a wide range of MC cartridges and systems\u003c\/p\u003e\n\u003cp\u003eWhat’s Included:\u003c\/p\u003e\n\u003cp\u003e• Music First Audio Baby Classic Step-Up Transformer\u003cbr\u003e• Documentation\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThis product is available for in-store demonstration. Visit the Spinning Room showroom in Leeds to experience the Baby Classic in person.\u003cbr\u003e\u003c\/p\u003e","brand":"Music First Audio","offers":[{"title":"Default Title","offer_id":58297864946048,"sku":"MSC-FRS-D-V2","price":2499.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_ed68e5eb-5eb9-4a77-aae0-8938c6ce5784.png?v=1781876661"},{"product_id":"music-first-audio-classic-v2-mc-step-up-transformer-sut","title":"Music First Audio Classic V2 MC step up transformer SUT","description":"\u003cp\u003eMusic First Audio MC Step-Up V2 Transformer\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Music First Audio MC Step-Up V2 is a high-end moving coil step-up transformer designed for maximum performance, flexibility, and signal purity. Positioned above the Baby Classic model, it features a larger transformer core and upgraded internal design for improved dynamics and resolution.\u003c\/p\u003e\n\u003cp\u003eAt its core is the RX103 transformer, housed in a redesigned casing with improved mounting for enhanced stability and reduced vibration. The transformer core is approximately 25% larger than the Baby Classic, allowing for greater headroom and more refined signal handling.\u003c\/p\u003e\n\u003cp\u003eThe MC Step-Up V2 offers a three-position step-up ratio switch (four-position on the silver-wound version), allowing users to match the transformer precisely to their cartridge. A six-position loading switch provides further fine-tuning, ensuring optimal performance across a wide range of moving coil cartridges.\u003c\/p\u003e\n\u003cp\u003eA grounding post and three-position earth lift switch allow for flexible grounding configurations, helping to eliminate hum and noise in complex systems.\u003c\/p\u003e\n\u003cp\u003eThe unit is available in both copper-wound and silver-wound versions, with the silver option offering further refinement and resolution. It is finished in either black or silver casework to suit different system aesthetics.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e• High-end moving coil step-up transformer\u003cbr\u003e• RX103 transformer with upgraded design\u003cbr\u003e• Larger core (25% bigger than Baby Classic) for improved performance\u003cbr\u003e• Three-position step-up ratio switch (four-position on silver version)\u003cbr\u003e• Six-position cartridge loading switch\u003cbr\u003e• Grounding post for system integration\u003cbr\u003e• Three-position earth lift switch\u003cbr\u003e• Improved transformer casing and mounting\u003cbr\u003e• Available in copper or silver-wound versions\u003cbr\u003e• Available in black or silver finish\u003c\/p\u003e\n\u003cp\u003eTechnical Highlights:\u003c\/p\u003e\n\u003cp\u003e• Increased headroom and dynamic performance\u003cbr\u003e• Enhanced signal clarity and resolution\u003cbr\u003e• Flexible cartridge matching with adjustable ratios and loading\u003cbr\u003e• Reduced noise through effective grounding and isolation\u003cbr\u003e• High transparency with minimal signal loss\u003c\/p\u003e\n\u003cp\u003eWhat’s Included:\u003c\/p\u003e\n\u003cp\u003e• Music First Audio MC Step-Up V2 Transformer\u003cbr\u003e• Documentation\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eCopper-wound version priced at £2475 (excl. VAT).\u003cbr\u003eSilver-wound version priced at £5250 (excl. VAT).\u003c\/p\u003e\n\u003cp\u003eThis product is available for in-store demonstration. Visit the Spinning Room showroom in Leeds to experience the MC Step-Up V2 in person.\u003cbr\u003e\u003c\/p\u003e","brand":"Music First Audio","offers":[{"title":"Default Title","offer_id":58297865208192,"sku":"MSC-FRS-D-CLS1","price":3480.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200-1_a4a98979-cc1e-4a13-9499-5fa6ea238ade.png?v=1781876662"},{"product_id":"music-first-audio-step-uo-mc-transformer-632","title":"Music First Audio Step uo MC transformer 632","description":"\u003cp\u003eMusic First Audio MC Step-Up Transformer 632\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe Music First Audio MC Step-Up Transformer 632 is a high-quality moving coil step-up transformer designed to provide passive gain for MC cartridges, allowing them to work effectively with moving magnet phono stages. It delivers clean signal amplification while maintaining transparency and low noise.\u003c\/p\u003e\n\u003cp\u003eThe transformer is typically supplied with a 1:10 step-up ratio, with alternative ratios available on request to suit specific cartridge requirements. Internal loading resistors can also be configured to customer specification, allowing for precise system matching.\u003c\/p\u003e\n\u003cp\u003eAll Music First Audio step-up transformers are designed to provide multiple decibels of passive gain without adding noise or colouration, preserving the integrity of the original signal.\u003c\/p\u003e\n\u003cp\u003eThe unit is housed in a compact enclosure and is available in both black and silver casework to suit different system aesthetics.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cp\u003e• High-quality moving coil step-up transformer\u003cbr\u003e• Designed to match MC cartridges with MM phono stages\u003cbr\u003e• Standard 1:10 step-up ratio\u003cbr\u003e• Custom ratios available on request\u003cbr\u003e• Internal loading resistors configurable to specification\u003cbr\u003e• Passive design for low-noise signal gain\u003cbr\u003e• Compact and durable construction\u003cbr\u003e• Available in black or silver finish\u003c\/p\u003e\n\u003cp\u003eTechnical Highlights:\u003c\/p\u003e\n\u003cp\u003e• Clean signal gain without added noise or colouration\u003cbr\u003e• Flexible cartridge matching through ratio and loading options\u003cbr\u003e• Maintains signal integrity and transparency\u003cbr\u003e• Suitable for a wide range of MC cartridges\u003c\/p\u003e\n\u003cp\u003eSpecification:\u003c\/p\u003e\n\u003cp\u003e• Step-Up Ratio: 1:10 (standard)\u003cbr\u003e• Depth: 158 mm (including RCA terminals)\u003cbr\u003e• Width: 108 mm\u003cbr\u003e• Height: 44 mm\u003c\/p\u003e\n\u003cp\u003eWhat’s Included:\u003c\/p\u003e\n\u003cp\u003e• Music First Audio MC Step-Up Transformer 632\u003cbr\u003e• Documentation\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eThis product is available for in-store demonstration. Visit the Spinning Room showroom in Leeds to experience the MC Step-Up Transformer 632 in person.\u003cbr\u003e\u003c\/p\u003e","brand":"Music First Audio","offers":[{"title":"Default Title","offer_id":58297865273728,"sku":"MSC-FRS-D-STP","price":839.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200_63a7fb34-01b4-4c1e-ae04-29815b73b135.png?v=1781876664"},{"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"},{"product_id":"puresound-t10-mc-step-up-transformer","title":"Puresound T10 MC step up transformer","description":"\u003cp\u003ePuresound T10 MC Step-Up Transformer\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe T10 is a moving coil step-up transformer designed to optimise the performance of low-output MC cartridges when used with MM phono stages. Built around custom wideband transformers, it provides flexible loading and high signal integrity without the need for active circuitry.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cp\u003e• step-up transformer (MC to MM)\u003cbr\u003e• dual custom wideband transformers\u003cbr\u003e• Mu-metal core construction\u003cbr\u003e• selectable step-up ratio (1:18 \/ 1:36)\u003cbr\u003e• adjustable cartridge loading\u003cbr\u003e• passive design – no active electronics\u003c\/p\u003e\n\u003cp\u003eDesign and performance:\u003c\/p\u003e\n\u003cp\u003eThe T10 uses two custom-manufactured wideband transformers with Mu-metal cores, chosen for their ability to provide high permeability and low distortion. This ensures efficient signal transfer while preserving the tonal characteristics of the cartridge.\u003c\/p\u003e\n\u003cp\u003eTwo selectable gain ratios allow the transformer to be matched to different cartridges:\u003c\/p\u003e\n\u003cp\u003e• 1:18 ratio\u003cbr\u003e• 1:36 ratio\u003c\/p\u003e\n\u003cp\u003eThese options provide flexibility in cartridge loading, enabling adjustment between approximately 36 and 144 ohms for optimal performance.\u003c\/p\u003e\n\u003cp\u003eMaterials and construction:\u003c\/p\u003e\n\u003cp\u003e• custom wideband transformers\u003cbr\u003e• Mu-metal cores for low noise and high linearity\u003cbr\u003e• precision internal construction for consistent performance\u003c\/p\u003e\n\u003cp\u003eThe use of Mu-metal helps reduce electromagnetic interference while maintaining bandwidth and signal accuracy.\u003c\/p\u003e\n\u003cp\u003eSound characteristics:\u003c\/p\u003e\n\u003cp\u003e• natural and uncoloured presentation\u003cbr\u003e• improved signal level without added noise\u003cbr\u003e• strong preservation of cartridge character\u003cbr\u003e• stable and controlled frequency response\u003c\/p\u003e\n\u003cp\u003eAs a passive device, the T10 introduces no additional active circuitry into the signal path, helping maintain purity and low noise.\u003c\/p\u003e\n\u003cp\u003eBuild and usability:\u003c\/p\u003e\n\u003cp\u003eThe T10 is designed to sit between the turntable and a MM phono stage, providing a straightforward upgrade path for MC cartridge users. The selectable ratios make it adaptable to a range of cartridge outputs and system requirements.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• step-up ratios: 1:18 \/ 1:36\u003cbr\u003e• cartridge loading: approx. 36 – 144 ohms\u003cbr\u003e• transformer type: wideband, Mu-metal core\u003cbr\u003e• configuration: dual transformer (stereo)\u003c\/p\u003e\n\u003cp\u003eNote:\u003c\/p\u003e\n\u003cp\u003eCorrect matching of step-up ratio and cartridge impedance is important to achieve the best performance from the T10 within a given system.\u003cbr\u003e\u003c\/p\u003e","brand":"Puresound","offers":[{"title":"Default Title","offer_id":58297879069056,"sku":"PRS-T10-MC-STP","price":399.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6926\/1184\/files\/rs_w_1200_h_1200copy_5cb797f6-7507-4f04-bbbe-d616e9cf2dbf.png?v=1782129252"}],"url":"https:\/\/thespinningroomhifi.co.uk\/collections\/transformers.oembed","provider":"The Spinning Room Hifi","version":"1.0","type":"link"}