{"product_id":"1-display-only-1916-telefunken-rohre-evn171-tube-ww1-germany-amplifier-triode","title":"(1) Display Only 1916 Telefunken Röhre EVN171 Tube WW1 Germany Amplifier Triode","description":"\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e(1) Antique Telefunken EVN171 Tube.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eCirca 1916-1917.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eThis tube is being sold as \u003cstrong\u003enon-working\u003c\/strong\u003e and is intended for \u003cstrong\u003edisplay only\u003c\/strong\u003e. There is \u003cstrong\u003eno filament continuity\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eThe EVN171 was originally designed for low frequency amplification in WW1 communications.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eThe Telefunken name and numbers are etched into the glass, although somewhat faintly.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eThe black metal base has various areas of wear.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eThe bottom wafer is loose but holds firm, upon removal the opposite side is stamped \"Germany\" - see photo 9.\u003c\/span\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eOther examples of this rare tube can be found in various museums across the world including the National Museum of American History. There is also a detailed write-up about this tube in the book 'Saga of the Vacuum Tube' by Gerald F.J. Tyne.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eAgain, this tube is \u003cstrong\u003enon-working\u003c\/strong\u003e and is intended for \u003cstrong\u003edisplay only\u003c\/strong\u003e as there is \u003cstrong\u003eno filament continuity\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e~ Please view all 9 photos ~\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e","brand":"Classic Currents","offers":[{"title":"Default Title","offer_id":48059878146303,"sku":null,"price":118.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/5999\/3343\/files\/IMG_7144.jpg?v=1768611398","url":"https:\/\/classiccurrents.com\/products\/1-display-only-1916-telefunken-rohre-evn171-tube-ww1-germany-amplifier-triode","provider":"Classic Currents","version":"1.0","type":"link"}