{"product_id":"best-pair-ecf80-6bl8-telefunken-germany-bottom-nos-1971-p1","title":"(!!!!) (Best Pair) ECF80=6BL8 Telefunken Germany \u003c\u003e bottom NOS 1971 (12.6\/10.6ma and 14\/11.5ma) (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) 12.6ma Gm=5400 and 10.6ma Gm=6500 (triode\/pentode) good printing\u003c\/p\u003e\n\u003cp\u003e1 tube) 14.0\u003cspan\u003ema Gm=5700 and 11.5ma Gm=6800 (triode\/pentode) fairly good printing\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\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 \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eRecommended for\u003c\/h1\u003e\n\u003cp\u003e- McIntosh MR67, MR71 FM Stereo tuner\u003cbr\u003e- Telefunken radio\u003cbr\u003e- Graaf GM 100 amplifier\u003cbr\u003e- HH Scott 350 Tuner 1961-2\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Tube World","offers":[{"title":"6BL8 Telefunken","offer_id":48791978148092,"sku":"6BL8tel","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0333\/7633\/files\/7_1_97065a5c-dd7f-4507-b773-db1bf9e57e0c.jpg?v=1789151291","url":"https:\/\/tubeworldexpress.com\/products\/best-pair-ecf80-6bl8-telefunken-germany-bottom-nos-1971-p1","provider":"Tube World Express","version":"1.0","type":"link"}