{"product_id":"4-string-4-in-line-bass-ratio-y-style-button-select-finish-prb-4400","title":"Ratio by Graph Tech (18:1 to 36:1) Bass Taper Shaft Conf. 4 in-Line Chrome #PRB-4400-C0","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to G - 36:1, 30:1, 20:1, 18:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string. \u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Bass_Ratio_Explained_page_animation_Jun_2022.gif?v=1655244804\" alt=\"Bass Ratio animation\"\u003e\u003c\/p\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRB-4400\u003c\/strong\u003e is a right-handed set of RATIO® Calibrated Machine Heads for BASS that use a 4-in-line configuration.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIn order to achieve higher gear ratios, \u003cstrong\u003eRatio are the world's \u003cem\u003efirst\u003c\/em\u003e machine heads using a double envelope gear design with a hardened steel gear. Amazingly smooth and super strong.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_4inline.png?v=1629836673\" alt=\"Headstock Configuration 4-in-line\" width=\"100\" height=\"100\"\u003e  \u003ca href=\"https:\/\/youtu.be\/Qph7DiqKTfo\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Y-Style","offer_id":47373384188124,"sku":"PRB-4400-C0","price":109.0,"currency_code":"GBP","in_stock":true},{"title":"Black \/ Y-Style","offer_id":47373384220892,"sku":"PRB-4400-B0","price":109.0,"currency_code":"GBP","in_stock":true},{"title":"Gold \/ Y-Style","offer_id":47373384253660,"sku":"PRB-4400-G0","price":139.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/2599\/2924\/files\/products_DSC_1438_499cbd0e-d525-443f-b37b-f72387387d9e.jpg?v=1782250872","url":"https:\/\/graphtech.uk\/products\/4-string-4-in-line-bass-ratio-y-style-button-select-finish-prb-4400","provider":"Graph Tech UK","version":"1.0","type":"link"}