{"id":154350,"date":"2026-07-06T13:37:24","date_gmt":"2026-07-06T13:37:24","guid":{"rendered":"https:\/\/brass-market.com\/?post_type=product&#038;p=154350"},"modified":"2026-07-06T13:54:11","modified_gmt":"2026-07-06T13:54:11","slug":"bach-tb-504d-bb-f-gb-d-bass-trombone","status":"publish","type":"product","link":"https:\/\/brass-market.com\/en\/producto\/bach-tb-504d-bb-f-gb-d-bass-trombone\/","title":{"rendered":"Bach TB-504D Bb\/F\/Gb\/D Bass Trombone"},"content":{"rendered":"<p><strong>Bach TB-504D Bb\/F\/Gb\/D Bass Trombone<\/strong><\/p>\n<p>The Bach TB504 Bass Trombone is a robust, professional-grade bass trombone built for serious players needing power, depth and versatility. Tuned in Bb\/F\/Gb\/D, it delivers a warm, full bodied low register while maintaining clarity and projection ideal for symphonic, orchestral, jazz or brass-band settings. Its large bore and ample 10\u2033 bell provide the mass and resonance required for bass lines and low end support, while the durable brass construction, quality slides, and reliable inline double valve system ensure consistent, smooth performance. Included with a Vincent Bach 1\u00bdG mouthpiece, a lightweight carry case, and extra Eb\/G slide.<\/p>\n<p>FEATURES<\/p>\n<p>\u2022 Tuning: Bb \/ F \/ Gb \/ D flexible for a variety of bass trombone roles.<br \/>\n\u2022 Bore size: 14.3 mm 0.562&#8243; large bore for a full, powerful low end and strong projection.<br \/>\n\u2022 Bell diameter: 254 mm 10&#8243; yellow brass bell provides a broad, rich tone and ample resonance.<br \/>\n\u2022 Material: Brass body and bell classic build for warmth and durability.<br \/>\n\u2022 Slides: Nickel-silver inner and outer slides (hard-chrome plated inner slide for smooth slide action and reliable response.<br \/>\n\u2022 Valve system: Inline, open wrap with quarter and fifth valve offers extended lower register and flexibility.<br \/>\n\u2022 Finish: Clear lacquer high-gloss finish protects the instrument and maintains classic brass appearance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bach TB-504D Bb\/F\/Gb\/D Bass Trombone The Bach TB504 Bass Trombone is a robust, professional-grade bass trombone built for serious players needing power, depth and versatility. Tuned in Bb\/F\/Gb\/D, it delivers a warm, full bodied low register while maintaining clarity and projection ideal for symphonic, orchestral, jazz or brass-band settings. Its large bore and ample 10\u2033 [&hellip;]<\/p>\n","protected":false},"featured_media":154360,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"brand":[],"product_brand":[803],"product_cat":[1225,1235],"product_tag":[],"class_list":["post-154350","product","type-product","status-publish","has-post-thumbnail","product_brand-bach","product_cat-new-instruments","product_cat-trombones","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/product\/154350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/comments?post=154350"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/media\/154360"}],"wp:attachment":[{"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/media?parent=154350"}],"wp:term":[{"taxonomy":"brand","embeddable":true,"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/brand?post=154350"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/product_brand?post=154350"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/product_cat?post=154350"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/brass-market.com\/en\/wp-json\/wp\/v2\/product_tag?post=154350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}