{"product_id":"marshall-jtm45-bluesbreaker-output-transformer-d2505-spec-txop-00003","title":"Marshall 1962 Bluesbreaker \/ JTM45 Output Transformer | D2505 Specification | Part# TXOP-00003 | Genuine OEM","description":"\u003ch3\u003eRestore the Original Marshall Sound\u003c\/h3\u003e\n\u003cp\u003eExperience the unmistakable tone that defined the early era of rock with this \u003cstrong\u003eGenuine Marshall Output Transformer (Part# TXOP-00003)\u003c\/strong\u003e — the legendary \u003cstrong\u003eDagnall D2505\u003c\/strong\u003e model. Designed for the \u003cstrong\u003eMarshall 1962 Bluesbreaker\u003c\/strong\u003e and \u003cstrong\u003eJTM45\u003c\/strong\u003e, this factory-spec transformer delivers the smooth compression, rich midrange, and harmonic complexity that made these amps icons. Built to original Dagnall engineering standards, it ensures your amp performs with the authentic warmth and clarity of vintage Marshall design.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine Marshall Part\u003c\/strong\u003e – Factory-engineered output transformer for the 1962 Bluesbreaker and JTM45 amplifiers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDagnall D2505\u003c\/strong\u003e – Classic transformer design used in Marshall’s early handwired 30–45W circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e TXOP-00003.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuthentic Marshall Tone\u003c\/strong\u003e – Delivers the chime, punch, and smooth breakup that define Bluesbreaker and JTM45 amps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFactory-Spec Engineering\u003c\/strong\u003e – Built to Marshall’s original specifications for vintage tone accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Construction\u003c\/strong\u003e – Wound for long-term stability and consistent output across all playing volumes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e✔ Marshall 1962 Bluesbreaker Combo\u003cbr\u003e✔ Marshall JTM45 Head\u003cbr\u003e✔ Other early 30–45W Marshall reissue amps using the D2505 transformer\u003cbr\u003e✔ Direct OEM replacement for TXOP-00003 models\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMarshall Part Number: TXOP-00003\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTransformer Model: Dagnall D2505\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower Rating: 30–45 Watts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eType: Output Transformer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplication: Output stage transformer for Marshall JTM45 \/ 1962 Bluesbreaker\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cp\u003e⚠ \u003cstrong\u003eProfessional Installation Required\u003c\/strong\u003e – Must be installed by a qualified amp technician.\u003cbr\u003e⚠ \u003cstrong\u003eNon-Refundable\u003c\/strong\u003e – Electrical component; all sales are final.\u003cbr\u003e⚠ \u003cstrong\u003ePre-Order Information\u003c\/strong\u003e – If listed as pre-order, email \u003cstrong\u003e\u003ca href=\"mailto:sales@britishaudio.com\"\u003esales@britishaudio.com\u003c\/a\u003e\u003c\/strong\u003e for availability and lead times.\u003c\/p\u003e\n\u003ch3\u003eNeed Installation Assistance?\u003c\/h3\u003e\n\u003cp\u003eIf you’d like British Audio to professionally install this transformer, please reach out to our service team at \u003cstrong\u003e\u003ca href=\"mailto:repair@britishaudio.com\"\u003erepair@britishaudio.com\u003c\/a\u003e\u003c\/strong\u003e or complete our \u003ca href=\"https:\/\/britishaudio.com\/pages\/repair-request\"\u003e\u003cstrong\u003eRepair Request Form\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose British Audio?\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eBritish Audio\u003c\/strong\u003e, we’re Nashville’s trusted source for \u003cstrong\u003eMarshall parts and service\u003c\/strong\u003e. As an \u003cstrong\u003eAuthorized Marshall Service Provider\u003c\/strong\u003e, we stock genuine Dagnall-built components to keep your amplifier performing with the legendary tone and feel that made Marshall famous.\u003c\/p\u003e\n\u003cp\u003eBring your \u003cstrong\u003e1962 Bluesbreaker or JTM45\u003c\/strong\u003e back to life — order your \u003cstrong\u003eGenuine Marshall Dagnall D2505 Output Transformer (Part# TXOP-00003)\u003c\/strong\u003e today!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Marshall","offers":[{"title":"Default Title","offer_id":47065479971055,"sku":"MAR-TXOP-00003","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0018\/5149\/0377\/files\/99989a74-86d9-4132-8e69-81fefb70dfe1.jpg?v=1762704945","url":"https:\/\/britishaudio.com\/products\/marshall-jtm45-bluesbreaker-output-transformer-d2505-spec-txop-00003","provider":"British Audio","version":"1.0","type":"link"}