{"product_id":"6550-tungsol-branded-rcap3","title":"(!!!!) (Best Sound for the money) 6550 Tungsol branded RCA NOS and used\/like new vented gray plate 1965 and 1974 (130ma and 134.5ma) (close Gm)","description":"\u003cp\u003e1 pair) 6550 Tungsol branded RCA NOS and used\/like new vented gray plate - same build - in white boxes\u003c\/p\u003e\n\u003cp\u003e1 tube) 130ma Gm=10,700 (1965) NOS\u003c\/p\u003e\n\u003cp\u003e1 tube) 134.5ma Gm=10,750 (1974) used\/like new\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eGood NOS Ma range 125-140ma\u003c\/p\u003e\n\u003cp\u003eGood NOS Gm range = 10,000 - 11,000 \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eRecommended for\u003c\/h1\u003e\n\u003cp\u003e- ARC VS 110 and other ARC amps\u003cbr\u003e- \u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eAudio Research Reference 3 line-stage power supply \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e- Rogue 90\u003cbr\u003e- VTL amps; MB300, 450, many others\u003cbr\u003e- Gibson guitar amp\u003cbr\u003e- McIntosh 275\u003cbr\u003e- Beard P100 MKII 1984\u003cbr\u003e- Cayin A-88T\u003c\/p\u003e","brand":"Tube World","offers":[{"title":"6550 Tungsol","offer_id":47065123324156,"sku":"6550ts","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0333\/7633\/files\/6_fb71387e-ef46-4c41-8299-4be149c3b36d.jpg?v=1794322582","url":"https:\/\/tubeworldexpress.com\/products\/6550-tungsol-branded-rcap3","provider":"Tube World Express","version":"1.0","type":"link"}