{"product_id":"ray-tubes-reserve-300b","title":"Ray Tubes RESERVE 300B","description":"\u003ch2\u003eRESERVE E300B\u003c\/h2\u003e\n\u003cp\u003eThe 300B is a legendary tube. Introduced in 1938, it powered the cinemas of Hollywood's Golden Age. Audiophiles have treasured it for decades for its low noise and reliability. Ray Tubes is proud to introduce its take on a classic.\u003c\/p\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cp\u003eThe RESERVE 300B delivers warm and elastic low frequencies, a delicate and layered midrange, and smooth treble, all married to rich detail and a wide, exceptionally well-defined soundstage.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBespoke design and small-batch production\u003c\/li\u003e\n\u003cli\u003eHand-selected by engineers to our most meticulous standards\u003c\/li\u003e\n\u003cli\u003eHigher quality materials, including gold pins for longevity\u003c\/li\u003e\n\u003cli\u003eMonocrystalline carbon Magic Coating for improved heat dissipation\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\u003cli\u003eSound Characteristics \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe RESERVE 300B delivers warm and elastic low frequencies, a delicate and layered midrange, and smooth treble, all married to rich detail and a wide, exceptionally well-defined soundstage.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe bass offers a delicate and textured low-end ideal for jazz and folk.\u003c\/li\u003e\n\u003cli\u003eThe midrange frequencies are full-bodied and emotional, particularly in vocals and strings, with warm and richly-layered sound.\u003c\/li\u003e\n\u003cli\u003eThe treble performance is clear and airy, presenting rich nuance with a natural and gentle sound.\u003c\/li\u003e\n\u003cli\u003eThe dynamic range effectively highlights contrasts in loud and\u003c\/li\u003e\n\u003cli\u003esoft passages, while the soundstage is wide and very well-defined with excellent depth and space.\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-RV-300B-X1 ), matched pair\u003cbr\u003e( RT-RV-300B-X2 ), or matched quad ( RT-RV-300B-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":47547765063764,"sku":null,"price":482.0,"currency_code":"USD","in_stock":true},{"title":"Matched Pair (2 tubes)","offer_id":47547765096532,"sku":null,"price":999.0,"currency_code":"USD","in_stock":true},{"title":"Matched Quad (4 tubes)","offer_id":47547765129300,"sku":null,"price":2199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/7321\/3524\/files\/RESERVE300B-01.jpg?v=1787579209","url":"https:\/\/prospercables.com\/products\/ray-tubes-reserve-300b","provider":"Prosper Cables ","version":"1.0","type":"link"}