{"product_id":"6sf5-rp2","title":"(!!) (Best Pair #2) 6SF5 RCA metal can NOS 1965 (1.0ma and 1.0ma) 1% matched","description":"\u003cp\u003e1 matched pair) 6SF5 RCA metal can NOS same date codes (AV) 1965\u003c\/p\u003e\n\u003cp\u003e1 tube) 1.0ma Gm=1500\u003c\/p\u003e\n\u003cp\u003e1 tube) 1.2ma Gm=1500\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eGood Ma = .9 - 1.0ma\u003c\/p\u003e\n\u003cp\u003eGood Gm = 1400-1500\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e(6SF5=6F5 without top cap and 7B4)\u003cbr\u003e(6SF5GT are used in Fi X 2A3\/45 SET amp)\u003cbr\u003e(6SF5GT have gain similar to a 12AX7)\u003cbr\u003e(Vplate=240V, Vgrid=-1V, Mu=110, Gm=2120, Rplate=52Kohms, Pout=.48 watts)\u003cbr\u003e\u003cbr\u003e- Masco MA-808\u003cbr\u003e- Supro amp\u003cbr\u003e- Fi 2A3\u003c\/p\u003e","brand":"Tube World","offers":[{"title":"6SF5 RCA metal can NOS pair","offer_id":19604813709408,"sku":"6SF5pr","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0333\/7633\/products\/1_21f5601a-ff19-4fa1-a264-345007769e6c.jpg?v=1571439309","url":"https:\/\/tubeworldexpress.com\/products\/6sf5-rp2","provider":"Tube World Express","version":"1.0","type":"link"}