{"product_id":"mercer-and-barker-gw5-euphonium-mouthpiece-1","title":"Mercer and Barker GW5 Euphonium Mouthpiece","description":"\u003cp\u003e\u003cspan\u003eUsed Mercer \u0026amp; Barker GW5 Euphonium Mouthpiece – Great Pre-Owned Value!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUp for sale is a world-class, premium \u003c\/span\u003e\u003cspan\u003eMercer \u0026amp; Barker GW5 Euphonium Mouthpiece\u003c\/span\u003e\u003cspan\u003e (Large Shank). Meticulously engineered in the UK, Mercer \u0026amp; Barker mouthpieces are highly coveted by top-tier brass banders, soloists, and ensemble players who demand ultimate pitch security, response, and tonal clarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you want an elite piece of British brass engineering but don't want to pay full retail prices plus overseas shipping, this listing is the perfect opportunity to upgrade your setup for a fraction of the cost!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy Players Love the GW5 (Glyn Williams Model)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe GW5 is a medium 25.7 mm \"5-size\" model specifically optimized for players looking for a classic, singing British euphonium sound in a highly efficient and comfortable design.\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 Upper Register \u0026amp; Efficiency:\u003c\/span\u003e\u003cspan\u003e The balanced cup depth and 7.28 mm throat provide incredible support in the higher register, giving you maximum endurance during grueling rehearsals or demanding solo spots.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eWarm, Centered Core Tone:\u003c\/span\u003e\u003cspan\u003e It effortlessly delivers a dense, velvety sound that works brilliantly in brass bands, wind ensembles, or solo stages.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eSuperb Rim Comfort:\u003c\/span\u003e\u003cspan\u003e Features a supportive 6.85 mm moderately wide rim with a rounded inner edge, significantly reducing lip fatigue and enhancing flexibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eA Familiar, Upgraded Feel:\u003c\/span\u003e\u003cspan\u003e Positioned as an elite, premium alternative for players looking for a more efficient upgrade to standard 5-size mouthpieces like the Denis Wick SM5\/5AL, Alliance DC4, or Schilke 52D.\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 25.70 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\u003eRim Width:\u003c\/span\u003e\u003cspan\u003e 6.85 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\u003eCup:\u003c\/span\u003e\u003cspan\u003e Medium \/ Medium-Shallow\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 is smooth and the cup is in completely clean, round, unmarred condition. Your embouchure comfort and playing experience will be completely uncompromised.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eOverall Body \u0026amp; Finish:\u003c\/span\u003e\u003cspan\u003e The silver plating retains a wonderful shine, showing only normal cosmetic signs of use and standard handling wear 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 Features normal cosmetic insertion marks from being placed into the instrument's receiver. This is strictly visual, standard for any pre-owned piece of brass gear, and has \u003c\/span\u003e\u003cspan\u003ezero\u003c\/span\u003e\u003cspan\u003e effect on the shank's roundness, air seal, or acoustic performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhy This Is an Absolute Steal\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1. \u003c\/span\u003e\u003cspan\u003eSkip the Full Retail Price:\u003c\/span\u003e\u003cspan\u003e Brand-new premium mouthpieces are a heavy investment. This is your chance to snag an identical playing experience at a major discount.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2. \u003c\/span\u003e\u003cspan\u003eNo Structural Flaws:\u003c\/span\u003e\u003cspan\u003e Mouthpiece condition matters most at the rim, cup, and throat. Because those areas are in good shape, this mouthpiece plays exactly like a brand-new one out of the box.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3. \u003c\/span\u003e\u003cspan\u003eInstant Setup Upgrade:\u003c\/span\u003e\u003cspan\u003e The GW5 instantly opens up your tone and adds an extra layer of efficiency to your playing.\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 view all high-resolution photos closely to inspect the exact cosmetic condition of this item.\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 Packed securely in protective wrap and shipped promptly with tracking so you can get playing right away.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElevate your sound and endurance today with one of the most respected 5-size euphonium mouthpieces on the market! If you have any questions, feel free to drop a message before purchasing.\u003c\/span\u003e\u003c\/p\u003e","brand":"Professor Mouthpiece","offers":[{"title":"Default Title","offer_id":41126227148849,"sku":"GW57-17-26","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0014\/6843\/2433\/files\/4D19EADE-DFDE-4587-8A68-8D7FDBBE6E8C.jpg?v=1784351628","url":"https:\/\/profmouthpiece.com\/products\/mercer-and-barker-gw5-euphonium-mouthpiece-1","provider":"Professor Mouthpiece","version":"1.0","type":"link"}