{"product_id":"mercer-and-barker-mb4et-euphonium-mouthpiece","title":"Mercer and Barker MB4ET Euphonium Mouthpiece","description":"\u003cp\u003e\u003cspan\u003eUsed Mercer \u0026amp; Barker MB4ET Euphonium Mouthpiece – Good Condition!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUp for sale is a premium, precision-engineered \u003c\/span\u003e\u003cspan\u003eMercer \u0026amp; Barker MB4ET Euphonium Mouthpiece\u003c\/span\u003e\u003cspan\u003e (Large Shank). Meticulously crafted using the finest British engineering standards, Mercer \u0026amp; Barker mouthpieces are highly coveted by elite soloists, wind ensemble players, and brass banders worldwide for their exceptional tonal focus, pitch security, and response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you want an identical-playing, top-tier mouthpiece at a great pre-owned price without paying full retail or high international shipping fees, this listing is the perfect opportunity to upgrade your setup!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy Players Love the MB4ET (Extra Traction \/ Round Rim)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MB4ET is specifically engineered for players who love the classic flagship GW4 dimensions but want a more forgiving, cushioned feel on the embouchure.\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 \"ET\" Rounded Rim Advantage:\u003c\/span\u003e\u003cspan\u003e The \"ET\" designation stands for its specialized, more \u003c\/span\u003e\u003cspan\u003erounded rim profile\u003c\/span\u003e\u003cspan\u003e compared to the standard GW series. This unique profile distributes lip pressure evenly, drastically reducing lip fatigue and maximizing playing endurance during long rehearsals or high-stakes performances.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eMassive, Centered Tonal Core:\u003c\/span\u003e\u003cspan\u003e Dimensionally based on the popular 26.00 mm cup size, the MB4ET adds a touch of additional weight to the outer body. This extra mass helps center your slotting and focuses your energy directly into the horn for a remarkably deep, rich, and velvety 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\u003eExceptional Versatility:\u003c\/span\u003e\u003cspan\u003e The 7.38 mm throat paired with the rounded rim offers clean front-of-note clarity and flexible articulation, making it a fantastic all-around favorite across all registers.\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 7.38 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 Rounded (ET Model)\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 for players who like standard \"4-size\" profiles like a Denis Wick SM4 \/ 4AL, Alliance DC3, or Bach 4G.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition Report\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis mouthpiece has been carefully handled and 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 a perfectly smooth, uncompromised 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, light signs of standard 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\u003e1. \u003c\/span\u003e\u003cspan\u003eSignificant Savings:\u003c\/span\u003e\u003cspan\u003e Avoid the heavy investment of buying brand new. This is your chance to snag an authentic, top-tier MB4ET at a fantastic used value.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. \u003c\/span\u003e\u003cspan\u003eNo Structural Compromises:\u003c\/span\u003e\u003cspan\u003e Because the critical playing areas (the rounded rim contour, cup, and throat) are in good condition, this mouthpiece plays exactly like a brand-new model straight out of the box.\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 response, endurance, and tonal clarity today with this premier rounded-rim 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":41126232719409,"sku":"MB4ET-7-17-26","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/6843\/2433\/files\/CA59BFD0-81DE-43DD-9EF4-3AC6B2750466.jpg?v=1784354699","url":"https:\/\/profmouthpiece.com\/products\/mercer-and-barker-mb4et-euphonium-mouthpiece","provider":"Professor Mouthpiece","version":"1.0","type":"link"}