{"product_id":"eastman-etb428gs-intermediate-bb-f-tenor-trombone-in-silver-plate-sn-s2502311","title":"Eastman ETB428GS Intermediate Bb\/F Tenor Trombone in Silver Plate","description":"\u003ch2\u003e\u003cstrong\u003eEastman ETB428GS Tenor Trombone Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Eastman ETB428GS is an intermediate Bb\/F tenor trombone from Eastman's 400-series performance line, designed for advancing players who need the broader tonal scope and low-register facility of a full-size F-attachment instrument. Its open-wrap layout and gold brass bell support a centered, rounded tonal concept suitable for concert band, orchestra, and serious ensemble study, while the silver-plated finish gives this instrument a traditional presentation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eEastman ETB428GS Tenor Trombone Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eKey: Bb\/F\u003c\/li\u003e\n\u003cli\u003eBore Size: .547 inch\u003c\/li\u003e\n\u003cli\u003eBell Diameter: 8.5 inches\u003c\/li\u003e\n\u003cli\u003eBell Material: Gold brass\u003c\/li\u003e\n\u003cli\u003eF Attachment: Open wrap with rotary valve\u003c\/li\u003e\n\u003cli\u003eFinish: Silver plate\u003c\/li\u003e\n\u003cli\u003eCase: Eastman fitted hard case with shoulder strap\u003c\/li\u003e\n\u003cli\u003eAccessories: Laskey mouthpiece, Slide-O-Mix trombone lubricant, Ultra-Pure valve oil, polishing cloth, packaged care material\u003c\/li\u003e\n\u003cli\u003eSerial Number: S2502311\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCondition \u0026amp; Setup\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis floor model trombone is in excellent playing order. It has been professionally serviced, set up, and play-tested by The Mighty Quinn Brass and Winds. The silver-plated surfaces remain bright and consistent, with faint superficial handling and polishing marks visible around portions of the bell stem, branding, and receiver area. The F-attachment assembly and major components are intact, and the instrument includes its fitted case, Laskey mouthpiece, lubricants, and care materials.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWho the ETB428GS Tenor Trombone Is For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe ETB428GS is well suited to advancing students, adult ensemble players, educators, and musicians moving into large-bore tenor trombone repertoire. Its gold brass bell supports a warm, rounded tonal profile, while the open-wrap F attachment is intended to maintain a responsive feel when the valve register is engaged. It occupies the intermediate performance tier of Eastman's lineup, making it a practical bridge between student instruments and the company's professional 800-series trombones.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCommon Questions About the Eastman ETB428GS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat does the open-wrap F attachment contribute?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAn open-wrap attachment uses a more direct tubing path with fewer tight bends. Many players prefer this design for its comparatively open response and consistent airflow when the rotary valve is engaged.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow does the gold brass bell shape the model's tonal identity?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGold brass contains more copper than standard yellow brass and is generally associated with a warmer, rounder tonal color. On a large-bore tenor trombone, it can support a broad ensemble sound without sacrificing a centered core.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhere does the ETB428GS fit within Eastman's trombone range?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe ETB428GS belongs to Eastman's 400-series performance line. It provides the large-bore, open-wrap F-attachment configuration used in advanced ensemble playing, while the 800 series represents Eastman's professional trombone tier.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.quinntheeskimo.net\/Pics\/EastmanLogo\/EastmanLogo1.jpg\"\u003e\u003cimg style=\"text-align: center; margin-left: auto; display: block; margin-right: auto;\" src=\"https:\/\/www.quinntheeskimo.net\/Pics\/EastmanLogo\/EastmanLogo1.jpg\" alt=\"Eastman Logo\" align=\"middle\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eWe are proud to be an authorized Eastman dealer\u003c\/strong\u003e\u003c\/p\u003e","brand":"Eastman Music Company","offers":[{"title":"Default Title","offer_id":53816581456237,"sku":"ETB428GS-CRS2502311","price":1529.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/3461\/files\/7134316.jpg?v=1787771680","url":"https:\/\/www.brassandwinds.com\/products\/eastman-etb428gs-intermediate-bb-f-tenor-trombone-in-silver-plate-sn-s2502311","provider":"The Mighty Quinn Brass and Winds","version":"1.0","type":"link"}