{"product_id":"best-pair-ecf80-6bl8-telefunken-germany-bottom-nos-1971-p12","title":"(!!!!!) (Best Pair #2) ECF80=6BL8 Telefunken Germany \u003c\u003e bottom NOS 1971 (14\/9ma and 12.0\/8.2ma) (best sound) (McIntosh, Allnic)","description":"\u003cp\u003e\u003cstrong\u003e1 pair) ECF80=6BL8 Telefunken Germany \u0026lt;\u0026gt; bottom NOS 1971 \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1 tube) 14.0ma Gm=5400 and 9.0ma Gm=5800 (triode\/pentode) fairly good printing\u003c\/p\u003e\n\u003cp\u003e1 tube) 12.0\u003cspan\u003ema Gm=5200 and 8.2ma Gm=6000 (triode\/pentode) faded printing\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMatched on Amplitrex\u003c\/p\u003e\n\u003cp\u003eGood Triode Ma\/Gm=11-14ma Gm=4500-5000\u003c\/p\u003e\n\u003cp\u003eGood Pentode Ma\/Gm=8-10ma Gm=5500-6000\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMcIntosh MR67, MR71 FM Stereo tuner\u003c\/li\u003e\n\u003cli\u003eTelefunken radio\u003c\/li\u003e\n\u003cli\u003eGraaf GM 100 amplifier\u003c\/li\u003e\n\u003cli\u003eHH Scott 350 Tuner 1961-2\u003c\/li\u003e\n\u003cli\u003eAllnic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Tube World","offers":[{"title":"6BL8 Telefunken","offer_id":46404149674236,"sku":"6BL8tel","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0333\/7633\/files\/7_1_5fd99551-a3bc-4cf1-a5ad-fc3d2b4538bc.jpg?v=1789151785","url":"https:\/\/tubeworldexpress.com\/products\/best-pair-ecf80-6bl8-telefunken-germany-bottom-nos-1971-p12","provider":"Tube World Express","version":"1.0","type":"link"}