{"product_id":"mercer-and-barker-mb4et-euphonium-mouthpiece-copy","title":"Mercer and Barker MB4F ET Power Euphonium Mouthpiece Silver","description":"\u003cp data-path-to-node=\"4\"\u003eUp for sale is a pre-owned \u003cb data-path-to-node=\"4\" data-index-in-node=\"27\"\u003eMercer \u0026amp; Barker MB4F ET Power\u003c\/b\u003e euphonium mouthpiece in \u003cb data-path-to-node=\"4\" data-index-in-node=\"81\"\u003eGood condition\u003c\/b\u003e. Combining a modern heavy-top design with a flat rim profile, the MB4F ET Power provides maximum tonal stability, core projection, and a quick, direct response across all registers—ideal for brass band and soloist settings requiring clarity and acoustic weight.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eItem Specifications\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eBrand:\u003c\/b\u003e Mercer \u0026amp; Barker\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eModel:\u003c\/b\u003e MB4F ET Power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eInstrument:\u003c\/b\u003e Euphonium (Large Shank)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eFinish:\u003c\/b\u003e Silver Plated (Mirror-Polished)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eCup Diameter:\u003c\/b\u003e 26.00 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\"\u003e\u003cb data-path-to-node=\"7,5,0\" data-index-in-node=\"0\"\u003eThroat Size:\u003c\/b\u003e 7.28 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,6,0\"\u003e\u003cb data-path-to-node=\"7,6,0\" data-index-in-node=\"0\"\u003eRim Width:\u003c\/b\u003e 6.75 mm (Flat Rim Profile)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,7,0\"\u003e\u003cb data-path-to-node=\"7,7,0\" data-index-in-node=\"0\"\u003eCountry of Origin:\u003c\/b\u003e United Kingdom\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eCondition Notes\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eOverall Condition:\u003c\/b\u003e Good (Used)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eCosmetic Wear:\u003c\/b\u003e Shows normal signs of use, including insertion marks on the shank and light surface swirling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eStructural Integrity:\u003c\/b\u003e The rim, cup, and shank end remain true, round, and intact. No deep dings, dents, or raw brass exposure. Thoroughly cleaned and sanitized prior to listing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eWhy Buy the MB4F ET Power?\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eHeavy-Top Mass:\u003c\/b\u003e Provides increased sound density and slotting stability, helping your sound hold together in loud passages without breaking up.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eFlat Rim Profile:\u003c\/b\u003e Offers secure, precise embouchure contact for superior control and crisp articulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eProfessional Engineering:\u003c\/b\u003e High-precision UK manufacturing designed specifically for serious euphonium performers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"15\"\u003eShipping \u0026amp; Handling\u003c\/h3\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003eShips quickly and securely via USPS\/UPS in protective bubble wrap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003eOrders processed within 1 business day.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Professor Mouthpiece","offers":[{"title":"Default Title","offer_id":41137545936945,"sku":"MB4FPOW-72426","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/6843\/2433\/files\/33B59F96-3604-4236-8A26-CADF85CFCCC2.jpg?v=1785012851","url":"https:\/\/profmouthpiece.com\/products\/mercer-and-barker-mb4et-euphonium-mouthpiece-copy","provider":"Professor Mouthpiece","version":"1.0","type":"link"}