{"product_id":"ray-tubes-select-12au7-copy","title":"Ray Tubes SELECT 12AU7","description":"\u003ch2\u003eSLECT 12AU7\u003c\/h2\u003e\n\u003cp\u003eIntroduced in 1946, the 12AU7 was the world's first noval (nine-pin) vacuum tube. The 12AU7 is a double triode, consisting of two 6C4 tubes in a single envelope. Before the advent of solid-state electronics, it was valued for its versatility and portability. Nowadays, you'll find it in the pre-amp phase of tube amplifiers, where it functions as a phase inverter or driver.\u003c\/p\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cp\u003eThe Ray Tubes SELECT Collection offers the best tubes you'll ever need. It goes above and beyond the baseline to bring out the best in all your favorites.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned and manufactured by a team with decades of experience\u003c\/li\u003e\n\u003cli\u003eHand-selected by engineers to ensure only the top tubes make the cut\u003c\/li\u003e\n\u003cli\u003eGold pins for durability and longevity\u003c\/li\u003e\n\u003cli\u003eSubstantially more consistent performance than New Old Stock\u003c\/li\u003e\n\u003cli\u003eUnlike NOS and most other new production, covered by the Ray Tubes\u003cbr\u003eOne Year Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSounds Characteristics \u003c\/h2\u003e\n\u003cp\u003eThe SELECT 12AU7 delivers a well-balanced tonal signature with excellent resolution and dynamic sensitivity, resulting in a clear and layered sound.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe bass is tight and well-controlled, with a focus on precision and clarity that makes it especially suitable for fast-paced music.\u003c\/li\u003e\n\u003cli\u003eThe midrange frequencies are clear and well-resolved. Vocals sound natural with distinct layering and detail.\u003c\/li\u003e\n\u003cli\u003eThe treble performance is smooth, bright, and airy. At its best where small dynamic shifts carry the music.\u003c\/li\u003e\n\u003cli\u003eThe dynamics are crisp and well-articulated, excelling at music with powerful rhythms. The soundstage has well-defined layering, enhancing the immersion of the listening experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable as a single tube ( RT-SL-12AU7-X1 ), matched pair\u003cbr\u003e( RT-SL-12AU7-X2 ), or matched quad ( RT-SL-12AU7-X4 )\u003c\/li\u003e\n\u003cli\u003eUser handbook featuring burn-in guidelines\u003c\/li\u003e\n\u003cli\u003eCertificate of authenticity and warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ray Tubes","offers":[{"title":"Single (1 tube)","offer_id":47520377241684,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true},{"title":"Matched Pair (2 tubes)","offer_id":47520377274452,"sku":null,"price":224.0,"currency_code":"USD","in_stock":true},{"title":"Matched Quad (4 tubes)","offer_id":47520377307220,"sku":null,"price":479.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/7321\/3524\/files\/SELECT12AU7-01.jpg?v=1787063443","url":"https:\/\/prospercables.com\/products\/ray-tubes-select-12au7-copy","provider":"Prosper Cables ","version":"1.0","type":"link"}