{"title":"DIY Moving Coil Step-Up Transformers | MC SUT Kits","description":"\u003cp\u003eBuilding your own moving coil step-up transformer (MC SUT) is one of the most rewarding DIY audio projects. With the right transformer and careful loading, a DIY SUT can rival - or exceed - many commercial preamps. This collection offers a selection of \u003cstrong data-start=\"699\" data-end=\"735\"\u003eLundahl moving coil transformers\u003c\/strong\u003e and accessories ideal for DIY builders. Whether you’re experimenting with different ratios, exploring balanced or single-ended wiring, or designing your own enclosure, these transformers provide the perfect starting point. For inspiration and reference, explore our \u003cstrong data-start=\"1002\" data-end=\"1036\"\u003eMC1 step-up transformer preamp\u003c\/strong\u003e, which is based on the same proven Lundahl technology and optimised loading techniques.\u003c\/p\u003e","products":[{"product_id":"ll1933","title":"LL1933 Lundahl Moving Coil SUT","description":"\u003cp\u003eThe Lundahl LL1933 is a high-performance moving coil step-up transformer designed for premium MC SUT and moving coil preamp applications. Configurable for turns ratios of 1:8 and 1:16, the LL1933 is an excellent choice for low-output moving coil cartridges requiring low noise, excellent linearity, and precise cartridge loading.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eThe transformer is fully compatible with the \u003ca rel=\"noopener\" title=\"MC1 DIY Kit - Lundahl step up transformer preamp\" href=\"https:\/\/www.orso-audio.com\/products\/mc1-diy-kit-lundahl-moving-coil-step-up-transformer-sut-preamp\" target=\"_blank\"\u003e\u003cstrong\u003eMC1 DIY Kit\u003c\/strong\u003e\u003c\/a\u003e, allowing you to build your own high-quality moving coil step-up transformer preamp using the same Lundahl technology found in high-end commercial MC SUT designs.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eThe LL1933 combines Lundahl’s dual-coil architecture with Cardas high-purity copper wire in an oversized design. Unlike the amorphous cobalt core LL1931, the LL1933 uses a nickel lamination core chosen for its low distortion and linear magnetisation curve. This makes it a strong choice for systems where neutrality, accuracy, and low-level detail are the priority.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eThe dual-coil structure also improves immunity to external magnetic fields from power supplies, motors, and other nearby sources of interference, while the mu-metal can provides additional shielding for low-noise moving coil applications.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eAvailable with either copper or silver wire depending on your system preference and budget.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eEvery LL1933 pair includes a free HASL mounting PCB suitable for DIY moving coil SUT projects. For premium builds, you can upgrade to an ENIG gold-plated PCB for an additional £10.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eMost Lundahl transformers are wound to order and typically require a 4–8 week lead time. We do however stock selected popular models, in which case your order will ship immediately.\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003eIf you need help selecting the correct ratio, cartridge loading, or designing your own moving coil step-up transformer preamp, please get in touch.\u003c\/p\u003e","brand":"Lundahl","offers":[{"title":"Cardas Copper","offer_id":34781366354070,"sku":"LL1933","price":159.0,"currency_code":"GBP","in_stock":true},{"title":"Silver","offer_id":34781366386838,"sku":"LL1933Ag","price":824.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/products\/LL1933.jpg?v=1592487061"},{"product_id":"ll1943","title":"LL1943 Lundahl Moving Coil SUT","description":"\u003cp\u003eThe LL1943 is a high turns ratio, premuim moving coil step-up transformer for turns rations of 1:16 and 1:32.\u003c\/p\u003e\n\u003cp\u003eThe Transformer combines a mu metal lamination core and dual coil structure with Cardas high purity copper wire in an oversized design. The objective is to provide the best possible MC transformer, cost no object.\u003cspan style=\"left: 512.299px; top: 213px; font-size: 15.7117px; font-family: serif; transform: scaleX(1.00094);\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable with copper or silver wire.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eIf you have any questions about this product or need some help with your design please contact us.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eLead time\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMost transformers are made to order and incur a 4-8 week winding time, we do stock some popular models in which case your order will be shipped immediately.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/www.lundahltransformers.com\/wp-content\/uploads\/datasheets\/1943.pdf\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/files\/pdf_2_480x480.png?v=1592397884\" alt=\"\" style=\"float: right;\" width=\"56\" height=\"56\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Lundahl","offers":[{"title":"Cardas Copper","offer_id":34781564764310,"sku":"LL1943","price":159.0,"currency_code":"GBP","in_stock":true},{"title":"Silver","offer_id":34781564797078,"sku":"LL1943Ag","price":824.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/products\/LL1943.jpg?v=1592488284"},{"product_id":"ll1971","title":"LL1971 Lundahl Moving Coil SUT","description":"\u003cp\u003eThe LL1971 is a high performance moving coil step-up transformer. The Transformer combines Lundahl's unique uncut amorphous colbalt core and their dual coil structure with Cardas high purity copper wire in an oversized design. The objective is to provide the best possible MC transformer, cost no object.\u003cspan style=\"left: 512.299px; top: 213px; font-size: 15.7117px; font-family: serif; transform: scaleX(1.00094);\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eIf you have any questions about this product or need some help with your design please contact us.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\" data-mce-style=\"text-decoration: underline;\"\u003eLead time\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMost transformers are made to order and incur a 4-8 week winding time, we do stock some popular models in which case your order will be shipped immediately.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/www.lundahltransformers.com\/wp-content\/uploads\/datasheets\/1971.pdf\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/files\/pdf_2_480x480.png?v=1592397884\" alt=\"\" style=\"float: right;\" width=\"56\" height=\"56\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Lundahl","offers":[{"title":"Default Title","offer_id":34781942218902,"sku":"LL1971","price":199.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/products\/LL1971.jpg?v=1592489770"},{"product_id":"ll1931","title":"LL1931 Lundahl Moving Coil SUT","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-76\" data-turn-id=\"request-68dd4fb0-5b18-8330-94ca-aad7cc03d7e1-2\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-message-id=\"acffa42d-8be7-44db-aaa9-42f64a9780f1\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eThe Lundahl LL1931 is a high-performance moving coil step-up transformer designed for premium MC SUT and moving coil preamp applications. Configurable for turns ratios of 1:8 and 1:16, the LL1931 is an excellent choice for low-output moving coil cartridges requiring low noise, natural dynamics, and precise cartridge loading.\u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eThe transformer is fully compatible with the \u003ca rel=\"noopener\" title=\"MC1 DIY Kit - Lundahl step up transformer preamp\" href=\"https:\/\/www.orso-audio.com\/products\/mc1-diy-kit-lundahl-moving-coil-step-up-transformer-sut-preamp\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eMC1 DIY Kit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e, allowing you to build your own high-quality moving coil step-up transformer preamp using the same Lundahl technology found in high-end commercial MC SUT designs.\u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eThe LL1931 combines Lundahl’s unique uncut amorphous cobalt core with their dual-coil architecture and Cardas high-purity copper wire in an oversized design intended to maximise musicality, headroom, and detail retrieval. The result is a moving coil transformer that punches well above its price point while retaining the organic, engaging sound Lundahl transformers are known for.\u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eAvailable with either copper or silver wire depending on your system preference and budget.\u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eEvery LL1931 pair includes a free HASL mounting PCB suitable for DIY moving coil SUT projects. For premium builds, you can upgrade to an ENIG gold-plated PCB for an additional £10. \u003c\/p\u003e\n\u003cp data-end=\"1902\" data-start=\"1721\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1902\" data-start=\"1721\"\u003eMost Lundahl transformers are wound to order and typically require a 4–8 week lead time. We do however stock selected popular models, in which case your order will ship immediately.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2051\" data-start=\"1904\"\u003e \u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2051\" data-start=\"1904\"\u003eIf you need help selecting the correct ratio, cartridge loading, or designing your own moving coil step-up transformer preamp, please get in touch.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sticky bottom-0 z-10 group\/thread-bottom-container relative isolate w-full basis-auto has-data-has-thread-error:pt-2 has-data-has-thread-error:[box-shadow:var(--sharp-edge-bottom-shadow)] md:border-transparent md:pt-0 dark:border-white\/20 md:dark:border-transparent print:hidden content-fade single-line\" id=\"thread-bottom-container\"\u003e\n\u003cdiv class=\"relative mx-auto h-0\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"text-base mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 mb-[var(--thread-component-gap,1rem)]\"\u003e\n\u003cdiv class=\"pointer-events-auto relative z-1 flex h-(--composer-container-height,100%) max-w-full flex-(--composer-container-flex,1) flex-col\"\u003e\u003cform data-type=\"unified-composer\" class=\"group\/composer w-full\"\u003e\n\u003cdiv class=\"hidden\"\u003e\u003ctextarea data-virtualkeyboard=\"true\" aria-label=\"Chat with ChatGPT\" placeholder=\"Ask anything\" name=\"prompt-textarea\" class=\"wcDTda_fallbackTextarea\"\u003e\u003c\/textarea\u003e\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lundahl","offers":[{"title":"Cardas Copper \/ Standard","offer_id":40730701758614,"sku":"LL1931_STD","price":199.0,"currency_code":"GBP","in_stock":true},{"title":"Cardas Copper \/ Gold","offer_id":40730701824150,"sku":"","price":209.0,"currency_code":"GBP","in_stock":true},{"title":"Silver \/ Standard","offer_id":40730701889686,"sku":"","price":868.0,"currency_code":"GBP","in_stock":true},{"title":"Silver \/ Gold","offer_id":40730701955222,"sku":"","price":878.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/products\/LL1931_7dc68700-ebc3-47e7-82fd-29afee52ad1d.jpg?v=1631352711"},{"product_id":"ll9206","title":"LL9206 Lundahl Moving Coil SUT","description":"\u003cp\u003ePurchase LL9206 and recieve a free project PCB. LL9206 is an input audio transformer for moving coil pickups. The transformer is built up from two coils, each coil with one secondary winding surrounded by two primary windings. This structure results in an excellent frequency response. All winding ends are available on the pins. Thus, the transformer can be used with a set of different turns ratios.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePCB\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLL9206 comes with a free HASL PCB for your projects, or purchase a premium ENIG Gold PCB for an extra £20.\u003cbr\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eOrder\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost transformers are made to order and incur a 3-5 week winding time, we do stock some popular models in which case your order will be shipped immediately.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eIf you have any questions about this product or need some help with your design please contact us.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"http:\/\/www.lundahl.se\/wp-content\/uploads\/datasheets\/9206.pdf\" target=\"_blank\"\u003e\u003cimg style=\"float: right;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/files\/pdf_2_480x480.png?v=1592397884\" width=\"56\" height=\"56\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Lundahl","offers":[{"title":"Standard","offer_id":41324560154774,"sku":null,"price":75.0,"currency_code":"GBP","in_stock":true},{"title":"Gold","offer_id":41324560220310,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/products\/LL9206.jpg?v=1642246949"},{"product_id":"mc1-diy-kit-lundahl-moving-coil-step-up-transformer-sut-preamp","title":"MC1 DIY Kit – Lundahl Moving Coil Step-Up Transformer Preamp","description":"\u003cp\u003e\u003cstrong\u003e*Shipping June 2026*\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe MC1 DIY kit is a complete parts pack to build your own step-up transformer preamp for moving coil (MC) cartridges. Used between your turntable and a standard MM phono input, a properly designed SUT increases signal voltage passively while preserving the low-noise, dynamic character that makes transformer coupling so compelling.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis kit follows the same design intent as our assembled MC1 units - robust mechanical grounding, reliable switching, and a layout that’s built for consistent real-world results.\u003c\/p\u003e\n\u003ch3 style=\"font-weight: bold; margin: 1.2em 0 0.4em 0;\"\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAluminium enclosure with black front panel\u003c\/li\u003e\n\u003cli\u003eGold-plated PCB\u003c\/li\u003e\n\u003cli\u003eGold-plated RCA connectors\u003c\/li\u003e\n\u003cli\u003eHigh-quality switches\u003c\/li\u003e\n\u003cli\u003eGrounding lug \/ hardware\u003c\/li\u003e\n\u003cli\u003eResistors and capacitors required for the circuit\u003c\/li\u003e\n\u003cli\u003eMounting hardware and essential build items required to complete assembly\u003c\/li\u003e\n\u003cli\u003eTransformers, if purchased together\u003cstrong\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis kit is compatible with all \u003ca href=\"https:\/\/www.orso-audio.com\/collections\/moving-coil\" title=\"Lundahl moving coil step up transformers\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eLundahl moving coil step-up transformers\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/a\u003e \u003c\/p\u003e\n\u003ch2 style=\"font-weight: bold; margin: 1.4em 0 0.4em 0;\"\u003eSkill level\u003c\/h2\u003e\n\u003cp\u003eThis is a straightforward DIY build, but it is \u003cstrong\u003enot a “first soldering project.” \u003c\/strong\u003eWe recommend \u003cstrong\u003eprior soldering experience\u003c\/strong\u003e, as the parts are high quality and can be damaged by excess heat or poor technique.\u003c\/p\u003e\n\u003ch2 style=\"font-weight: bold; margin: 1.4em 0 0.4em 0;\"\u003eTools you'll need\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSoldering iron (temperature controlled recommended)\u003c\/li\u003e\n\u003cli\u003eGood quality solder\u003c\/li\u003e\n\u003cli\u003eSmall hand tools (flush cutters, pliers, screwdriver)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-weight: bold; margin: 1.4em 0 0.4em 0;\"\u003eNote on responsibility\u003c\/h2\u003e\n\u003cp\u003eThis is a \u003cstrong\u003eDIY kit\u003c\/strong\u003e. Assembly, testing, and safe operation are the builder’s responsibility. If you are not confident with soldering and basic electronics handling, consider an assembled unit instead.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"font-weight: bold; margin: 1.4em 0 0.4em 0;\"\u003eTransformer stock\u003c\/h2\u003e\n\u003cp\u003eWe stock a large variety of transformers, however there may be a 4-8 week wait on some types as they might need to be ordered in especially. Please get in touch before purchasing if you have any questions.\u003c\/p\u003e","brand":"Orso Audio","offers":[{"title":"None","offer_id":57080180834679,"sku":null,"price":124.0,"currency_code":"GBP","in_stock":true},{"title":"LL1678 (1:16 \u0026 1:32)","offer_id":57083221082487,"sku":null,"price":262.0,"currency_code":"GBP","in_stock":true},{"title":"LL1678XL (1:16 \u0026 1:32)","offer_id":57083221115255,"sku":null,"price":319.0,"currency_code":"GBP","in_stock":true},{"title":"LL9226 (1:10 \u0026 1:20)","offer_id":57083221148023,"sku":null,"price":279.0,"currency_code":"GBP","in_stock":true},{"title":"LL9226XL (1:10 \u0026 1:20)","offer_id":57083221180791,"sku":null,"price":319.0,"currency_code":"GBP","in_stock":true},{"title":"LL1933 (1:8 \u0026 1:16)","offer_id":57083221213559,"sku":null,"price":442.0,"currency_code":"GBP","in_stock":true},{"title":"LL1931 (1:8 \u0026 1:16)","offer_id":57083221246327,"sku":null,"price":535.0,"currency_code":"GBP","in_stock":true},{"title":"LL1971 (1:12 \u0026 1:24)","offer_id":57083221279095,"sku":null,"price":535.0,"currency_code":"GBP","in_stock":true},{"title":"LL1943 (1:16 \u0026 1:32)","offer_id":57083221311863,"sku":null,"price":442.0,"currency_code":"GBP","in_stock":true},{"title":"LL1941 (1:16 \u0026 1:32)","offer_id":57083221344631,"sku":null,"price":535.0,"currency_code":"GBP","in_stock":true},{"title":"LL1963 (1:3 \u0026 1:6)","offer_id":57083221377399,"sku":null,"price":442.0,"currency_code":"GBP","in_stock":true},{"title":"LL1961 (1:3 \u0026 1:6)","offer_id":57083221410167,"sku":null,"price":535.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/files\/LL1678XL_Open_f5f41745-70d4-43a3-8285-09e34850d5dc.png?v=1781208444"},{"product_id":"ll1941-lundahl-moving-coil-sut","title":"LL1941 Lundahl Moving Coil SUT","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-76\" data-turn-id=\"request-68dd4fb0-5b18-8330-94ca-aad7cc03d7e1-2\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-message-id=\"acffa42d-8be7-44db-aaa9-42f64a9780f1\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eThe Lundahl LL1941 is a high-performance moving coil step-up transformer designed for premium MC SUT and moving coil preamp applications. Configurable for turns ratios of 1:16 and 1:32, the LL1941 is an excellent choice for low-output moving coil cartridges requiring low noise, natural dynamics, and precise cartridge loading.\u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eThe transformer is fully compatible with the \u003ca rel=\"noopener\" title=\"MC1 DIY Kit - Lundahl step up transformer preamp\" href=\"https:\/\/www.orso-audio.com\/products\/mc1-diy-kit-lundahl-moving-coil-step-up-transformer-sut-preamp\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eMC1 DIY Kit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e, allowing you to build your own high-quality moving coil step-up transformer preamp using the same Lundahl technology found in high-end commercial MC SUT designs.\u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eThe LL1941 combines Lundahl’s unique uncut amorphous cobalt core with their dual-coil architecture and Cardas high-purity copper wire in an oversized design intended to maximise musicality, headroom, and detail retrieval. The result is a moving coil transformer that punches well above its price point while retaining the organic, engaging sound Lundahl transformers are known for.\u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eAvailable with either copper or silver wire depending on your system preference and budget.\u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"609\" data-start=\"283\"\u003eEvery LL1941 pair includes a free HASL mounting PCB suitable for DIY moving coil SUT projects. For premium builds, you can upgrade to an ENIG gold-plated PCB for an additional £10. \u003c\/p\u003e\n\u003cp data-end=\"1902\" data-start=\"1721\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"1902\" data-start=\"1721\"\u003eMost Lundahl transformers are wound to order and typically require a 4–8 week lead time. We do however stock selected popular models, in which case your order will ship immediately.\u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2051\" data-start=\"1904\"\u003e \u003c\/p\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2051\" data-start=\"1904\"\u003eIf you need help selecting the correct ratio, cartridge loading, or designing your own moving coil step-up transformer preamp, please get in touch.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sticky bottom-0 z-10 group\/thread-bottom-container relative isolate w-full basis-auto has-data-has-thread-error:pt-2 has-data-has-thread-error:[box-shadow:var(--sharp-edge-bottom-shadow)] md:border-transparent md:pt-0 dark:border-white\/20 md:dark:border-transparent print:hidden content-fade single-line\" id=\"thread-bottom-container\"\u003e\n\u003cdiv class=\"relative mx-auto h-0\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"text-base mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 mb-[var(--thread-component-gap,1rem)]\"\u003e\n\u003cdiv class=\"pointer-events-auto relative z-1 flex h-(--composer-container-height,100%) max-w-full flex-(--composer-container-flex,1) flex-col\"\u003e\u003cform data-type=\"unified-composer\" class=\"group\/composer w-full\"\u003e\n\u003cdiv class=\"hidden\"\u003e\u003ctextarea data-virtualkeyboard=\"true\" aria-label=\"Chat with ChatGPT\" placeholder=\"Ask anything\" name=\"prompt-textarea\" class=\"wcDTda_fallbackTextarea\"\u003e\u003c\/textarea\u003e\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lundahl","offers":[{"title":"Cardas Copper \/ Standard","offer_id":57073170121079,"sku":null,"price":199.0,"currency_code":"GBP","in_stock":true},{"title":"Cardas Copper \/ Gold","offer_id":57073170153847,"sku":null,"price":209.0,"currency_code":"GBP","in_stock":true},{"title":"Silver \/ Standard","offer_id":57073170186615,"sku":null,"price":868.0,"currency_code":"GBP","in_stock":true},{"title":"Silver \/ Gold","offer_id":57073170219383,"sku":null,"price":878.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/products\/LL1941.jpg?v=1592488061"},{"product_id":"ll9226-lundahl-moving-coil-sut","title":"LL9226 \u0026 LL9226XL Lundahl Moving Coil SUT","description":"\u003cp class=\"MsoNormal\"\u003eThe Lundahl LL9226 is a high-performance moving coil step-up transformer designed for premium MC SUT and moving coil preamp applications. Configurable for turns ratios of 1:5, 1:10 and 1:20, the LL9226 is an excellent choice for low-output moving coil cartridges requiring low noise, natural dynamics, and precise cartridge loading.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eBased on Lundahl’s classic LL9206 design, the LL9226 features reduced copper resistance, improved level capability, and enhanced frequency response while maintaining excellent low-frequency bandwidth. Its dual-coil structure surrounds each secondary winding with two primary windings, resulting in excellent immunity to surrounding magnetic fields and highly flexible connection options.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe transformer is fully compatible with the \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.orso-audio.com\/products\/mc1-diy-kit-lundahl-moving-coil-step-up-transformer-sut-preamp\" title=\"MC1 DIY Kit - Lundahl moving coil step up transformer preamp\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eMC1 DIY Kit\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e, allowing you to build your own high-quality moving coil step-up transformer preamp using the same Lundahl technology found in high-end commercial MC SUT designs. Please note if using these transformers with the MC1 kit, only 1:10 and 1:20 ratios will be available.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe LL9226 uses Lundahl’s cobalt-based uncut amorphous strip core and is housed in a mu-metal enclosure for excellent shielding and low noise performance. For those seeking even greater headroom and lower distortion, the LL9226XL version increases the core cross section by approximately 40%, improving low-frequency performance, signal handling, and overall ease of presentation.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAvailable with either standard or XL core sizes depending on your system requirements and cartridge choice.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eEvery LL9226 pair includes a free HASL mounting PCB suitable for DIY moving coil SUT projects. For premium builds, you can upgrade to an ENIG gold-plated PCB for an additional £10.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eMost Lundahl transformers are wound to order and typically require a 4–8 week lead time. We do however stock selected popular models, in which case your order will ship immediately.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eIf you need help selecting the correct ratio, cartridge loading, or designing your own moving coil step-up transformer preamp, please get in touch.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Lundahl","offers":[{"title":"Standard \/ Standard","offer_id":57073177362807,"sku":null,"price":78.0,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ Gold","offer_id":57073177395575,"sku":null,"price":88.0,"currency_code":"GBP","in_stock":true},{"title":"XL \/ Standard","offer_id":57073194860919,"sku":null,"price":97.0,"currency_code":"GBP","in_stock":true},{"title":"XL \/ Gold","offer_id":57073194893687,"sku":null,"price":107.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/files\/LL9226.jpg?v=1778064755"},{"product_id":"ll1678-lundahl-moving-coil-sut","title":"LL1678 \u0026 LL1678XL Lundahl Moving Coil SUT","description":"\u003cp class=\"MsoNormal\"\u003eThe Lundahl LL1678 is a high-performance moving coil step-up transformer designed for premium MC SUT and moving coil preamp applications. Configurable for turns ratios of 1:8, 1:16 and 1:32, the LL1678 is an excellent choice for low-output moving coil cartridges requiring low noise, natural dynamics, and precise cartridge loading.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eBased on Lundahl’s classic LL9206 design, the LL1678 features reduced copper resistance, improved level capability, and enhanced frequency response while maintaining excellent low-frequency bandwidth. Its dual-coil structure surrounds each secondary winding with two primary windings, resulting in excellent immunity to surrounding magnetic fields and highly flexible connection options.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe transformer is fully compatible with the \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.orso-audio.com\/products\/mc1-diy-kit-lundahl-moving-coil-step-up-transformer-sut-preamp\" title=\"MC1 DIY Kit - Lundahl moving coil step up transformer preamp\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eMC1 DIY Kit\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e, allowing you to build your own high-quality moving coil step-up transformer preamp using the same Lundahl technology found in high-end commercial MC SUT designs. Please note if using these transformers with the MC1 kit, only 1:16 and 1:32 ratios will be available.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe LL1678 uses Lundahl’s cobalt-based uncut amorphous strip core and is housed in a mu-metal enclosure for excellent shielding and low noise performance. For those seeking even greater headroom and lower distortion, the LL1678XL version increases the core cross section by approximately 40%, improving low-frequency performance, signal handling, and overall ease of presentation.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAvailable with either standard or XL core sizes depending on your system requirements and cartridge choice.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eEvery LL1678 pair includes a free HASL mounting PCB suitable for DIY moving coil SUT projects. For premium builds, you can upgrade to an ENIG gold-plated PCB for an additional £10.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eMost Lundahl transformers are wound to order and typically require a 4–8 week lead time. We do however stock selected popular models, in which case your order will ship immediately.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eIf you need help selecting the correct ratio, cartridge loading, or designing your own moving coil step-up transformer preamp, please get in touch.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"Lundahl","offers":[{"title":"Standard \/ Standard","offer_id":57073198039415,"sku":null,"price":78.0,"currency_code":"GBP","in_stock":true},{"title":"Standard \/ Gold","offer_id":57073198072183,"sku":null,"price":88.0,"currency_code":"GBP","in_stock":true},{"title":"XL \/ Standard","offer_id":57073198104951,"sku":null,"price":97.0,"currency_code":"GBP","in_stock":true},{"title":"XL \/ Gold","offer_id":57073198137719,"sku":null,"price":107.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/files\/LL1678.jpg?v=1778065117"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0411\/7014\/1334\/collections\/LL1943Ag.webp?v=1761914124","url":"https:\/\/www.orso-audio.com\/collections\/diy-moving-coil-step-up-transformers.oembed","provider":"Orso Audio","version":"1.0","type":"link"}