{"product_id":"mercer-and-barker-mb4f-euphonium-mouthpiece","title":"Mercer and Barker MB4F Euphonium Mouthpiece","description":"\u003cp\u003e\u003cspan\u003eUsed Mercer \u0026amp; Barker MB4F \"Power\" Euphonium Mouthpiece – Good Condition!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUp for auction or buy-it-now is a premium \u003c\/span\u003e\u003cspan\u003eMercer \u0026amp; Barker MB4F Power Euphonium Mouthpiece\u003c\/span\u003e\u003cspan\u003e (Large Shank). Meticulously engineered in the UK, Mercer \u0026amp; Barker mouthpieces are celebrated by top-tier soloists, wind ensemble players, and brass banders worldwide for their exceptional tonal stability and world-class British craftsmanship.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you are looking to upgrade your setup with an elite, heavy-top mouthpiece at a great pre-owned price without dealing with international shipping fees and full retail markup, this listing is the perfect choice!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy Players Love the MB4F \"Power\" Model\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MB4F is a powerhouse mouthpiece specifically engineered for players who crave maximum core stability, immediate response, and a secure rim profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eHeavy Top Design:\u003c\/span\u003e\u003cspan\u003e The weighted heavy-top construction helps focus your energy directly into the horn, preventing lost vibration and offering a massively stable, centered, and projecting sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe Flat Rim Advantage:\u003c\/span\u003e\u003cspan\u003e This design provides incredible embouchure support, distributing lip pressure evenly to enhance endurance and provide a highly secure feel during long playing sessions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eCrisp, Direct Articulation:\u003c\/span\u003e\u003cspan\u003e Engineered with a 7.28 mm throat, the MB4F provides an incredibly clean front-of-note clarity and rapid response, letting intricate passages speak effortlessly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eShank:\u003c\/span\u003e\u003cspan\u003e Large Shank\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eCup Diameter:\u003c\/span\u003e\u003cspan\u003e 26.00 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eRim Width:\u003c\/span\u003e\u003cspan\u003e 6.70 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThroat\/Bore:\u003c\/span\u003e\u003cspan\u003e 7.28 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eRim Profile:\u003c\/span\u003e\u003cspan\u003e Flat\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eProfile Feel:\u003c\/span\u003e\u003cspan\u003e Compares beautifully as a premium, high-performance upgrade to a standard Denis Wick 4AL, Alliance DC3, or Bach 4G style profile but with a heavy-top body and flat rim advantage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition Report\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis mouthpiece is in \u003c\/span\u003e\u003cspan\u003egood, performance-ready pre-owned condition\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eRim \u0026amp; Cup:\u003c\/span\u003e\u003cspan\u003e The rim and cup are clean and in good shape, ensuring an uncompromised, smooth feel on the lips and a normal playing experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePlating \u0026amp; Body:\u003c\/span\u003e\u003cspan\u003e The silver finish is in good cosmetic condition, retaining a wonderful shine with only normal signs of careful use and light handling over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eShank:\u003c\/span\u003e\u003cspan\u003e Shows typical, light cosmetic insertion marks from being placed in an instrument receiver. This is completely standard for any used brass gear, entirely cosmetic, and has \u003c\/span\u003e\u003cspan\u003ezero\u003c\/span\u003e\u003cspan\u003e effect on the shank's roundness, air seal, or acoustic resonance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy This Is a Great Deal\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuying a premium Mercer \u0026amp; Barker mouthpiece new is a serious investment. Because the critical playing elements of this mouthpiece—the flat rim contour, the cup, and the throat—are in good condition, it will play exactly like a brand-new model out of the box, but at a fantastic discounted value.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShipping \u0026amp; Listing Details\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePhotos:\u003c\/span\u003e\u003cspan\u003e Please inspect all high-resolution photos closely to see the exact cosmetic condition of this piece.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eShipping:\u003c\/span\u003e\u003cspan\u003e Wrapped securely in protective packaging and shipped promptly with tracking so you can get playing right away.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupercharge your projection, endurance, and tonal center today with this premier heavy-top mouthpiece! Please reach out if you have any questions before purchasing.\u003c\/span\u003e\u003c\/p\u003e","brand":"Professor Mouthpiece","offers":[{"title":"Default Title","offer_id":41126231179313,"sku":null,"price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/6843\/2433\/files\/810CCB40-3630-4E06-A659-98F861C2BAE7.jpg?v=1784353629","url":"https:\/\/profmouthpiece.com\/products\/mercer-and-barker-mb4f-euphonium-mouthpiece","provider":"Professor Mouthpiece","version":"1.0","type":"link"}