{"product_id":"russian-ef86","title":"Russian EF86","description":"\u003ch2 data-section-id=\"1kbwn7i\" data-start=\"0\" data-end=\"34\"\u003eRussian EF86 \/ 6267 Preamp Tube\u003c\/h2\u003e\n\u003cp data-start=\"36\" data-end=\"352\"\u003eThe \u003cstrong data-start=\"40\" data-end=\"56\"\u003eRussian EF86\u003c\/strong\u003e is a small-signal pentode preamp tube used in vintage-style audio circuits, microphone preamps, hi-fi gear, and select guitar amplifiers. The EF86 is known for offering \u003cstrong data-start=\"226\" data-end=\"285\"\u003ehigh gain, strong detail, and a very sensitive response\u003c\/strong\u003e, which is why it became popular in classic European audio designs.\u003c\/p\u003e\n\u003cp data-start=\"354\" data-end=\"718\"\u003eUnlike a 12AX7, which is a dual triode, the EF86 is a \u003cstrong data-start=\"408\" data-end=\"419\"\u003epentode\u003c\/strong\u003e. That gives it a different feel and sound: more gain, more clarity, and a very open response when used in the right circuit. In guitar amps, EF86 tubes are often associated with early \u003cstrong data-start=\"604\" data-end=\"632\"\u003eVox-style preamp designs\u003c\/strong\u003e, where they can produce a rich, touch-sensitive sound with excellent harmonic detail.\u003c\/p\u003e\n\u003cp data-start=\"720\" data-end=\"963\"\u003eRussian EF86 tubes are a practical option for anyone restoring or maintaining gear that calls for an EF86 \/ 6267 type. They offer vintage-style performance without the cost of harder-to-find European tubes like Mullard, Amperex, or Telefunken.\u003c\/p\u003e\n\u003ch3 data-section-id=\"g3460r\" data-start=\"965\" data-end=\"980\"\u003eCommon Uses\u003c\/h3\u003e\n\u003cul data-start=\"982\" data-end=\"1133\"\u003e\n\u003cli data-section-id=\"1prjlnr\" data-start=\"982\" data-end=\"1009\"\u003eVintage hi-fi equipment\u003c\/li\u003e\n\u003cli data-section-id=\"cgrefa\" data-start=\"1010\" data-end=\"1032\"\u003eMicrophone preamps\u003c\/li\u003e\n\u003cli data-section-id=\"1ebort1\" data-start=\"1033\" data-end=\"1061\"\u003eEF86 guitar amp circuits\u003c\/li\u003e\n\u003cli data-section-id=\"3jc57t\" data-start=\"1062\" data-end=\"1090\"\u003eVox-style preamp designs\u003c\/li\u003e\n\u003cli data-section-id=\"uirpev\" data-start=\"1091\" data-end=\"1133\"\u003eReplacement for EF86 \/ 6267 tube types\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1135\" data-end=\"1288\"\u003eThe EF86 is a sensitive tube type, so proper testing is especially important. Each tube is tested for operation, noise, and microphonics before shipping.\u003c\/p\u003e\n\u003cp data-start=\"1290\" data-end=\"1388\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1290\" data-end=\"1388\" data-is-last-node=\"\"\u003eA strong choice for classic EF86 circuits that need gain, clarity, and vintage tube character.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Fuzz Audio","offers":[{"title":"Default Title","offer_id":42395966832675,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0275\/0699\/9331\/files\/Russian_EF86_6267_Preamp_Tube.jpg?v=1778710343","url":"https:\/\/fuzzaudio.shop\/en-ca\/products\/russian-ef86","provider":"Fuzz Audio","version":"1.0","type":"link"}