{"product_id":"dr-rare-phosphor-bronze-light-rpm-12","title":"DR \/ RARE Phosphor Bronze Light RPM-12","description":"\u003cp\u003e\u003cstrong\u003eDR \/ RARE Phosphor Bronze Light RPM-12\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e This Rare Bronze series is recommended for all players seeking deep resonance and volume.\u003c\/p\u003e \u003cp\u003e DR has experimented with a new phosphor bronze alloy specifically for high-quality acoustic guitars. The result is a string with low tension that produces a loud, warm sound. You’ll notice a significant improvement in the depth of body resonance, tone, and sustain, especially on high-quality guitars with carved archtops, dreadnots, and rosewood, maple, or mahogany tops.\u003c\/p\u003e \u003cp\u003e Steve Kaufman, a bluegrass virtuoso and three-time U.S. guitar picking champion, recommends these strings to all his students, noting that they last exceptionally long.\u003c\/p\u003e \u003cp\u003e We have adopted a rust-preventive packaging system jointly developed by \"Zelast,\" a global brand of vapor-phase rust-preventive film, and \"DR Strings.\" Rust forms when condensation—water droplets created by the cooling of water vapor—adheres to a metal surface, creating an uneven electrical potential. This triggers an electrochemical reaction that leads to rust formation.\u003c\/p\u003e \u003cp\u003e The new packaging features an inner envelope treated with a vapor-phase rust inhibitor. This rust inhibitor gradually vaporizes at room temperature and dissolves into the water vapor in the air, which is the cause of rust. This rust-inhibiting component suppresses the potential difference on the string surface, thereby inhibiting electrochemical reactions and preventing rust.\u003cbr\u003eThe rust-preventive effect lasts as long as the strings remain in the \"Zelast\" packaging (for at least 3 years when stored indoors). Once the contents are removed from the Zelast packaging, the rust-preventive agent adhering to the strings will re-evaporate within approximately 2 hours. Unlike oils, it evaporates quickly, does not affect the sound or the surface of the strings, and is completely harmless to humans, delivering exceptional rust-preventive performance.\u003c\/p\u003e \u003cp\u003e 1 Set\u003cbr\u003eGauges: 1st (E) .12 \/ 2nd (B) .16 \/ 3rd (G) .24 \/ 4th (D) .32 \/ 5th (A) .42 \/ 6th (E) .54\u003c\/p\u003e","brand":"DR","offers":[{"title":"Default Title","offer_id":49728371884269,"sku":"AG103","price":2970.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/1321\/3933\/files\/th_IMG_1718_5cc8e2ed-367b-483c-9184-16471c65dec2.jpg?v=1774595889","url":"https:\/\/tcgakki.com\/en\/products\/dr-rare-phosphor-bronze-light-rpm-12","provider":"TC楽器 - TCGAKKI","version":"1.0","type":"link"}