{"product_id":"stc-4h-182e-military-transmitting-tetrode-valve-cv1883","title":"STC 4H\/182E Military Transmitting Tetrode Valve CV1883","description":"\u003ch1\u003eSTC 4H\/182E Military Transmitting Tetrode Valve CV1883\u003c\/h1\u003e\n\u003cp\u003eThis is an air cooled STC 4H\/182E Military Transmitting Tetrode Valve CV1883 made in England by STC (Standard Telephone Cable).\u003c\/p\u003e\n\u003cp\u003eIt is new old stock and still in its original transit box.\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003e It is untested and is being sold as a collectible item for display only.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eApproximately 14 cm in height and 8.6 cm diameter.\u003c\/p\u003e\n\u003cp\u003eIn excellent cosmetic condition, this 8-pin base tetrode was capable of accepting a maximum input of 110MHz. Dates to the 1950s.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eMarked:-\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eSTC\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eCV 1883\u003cbr\u003e\u003cem\u003e4H\/182E\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eMade in England\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eAM Ref No. 10CV\/1883\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eMilitary Arrow\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSerial No. 157 QY\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePin Function:-\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eFilament 1\u003c\/li\u003e\n\u003cli\u003eGrid \u003c\/li\u003e\n\u003cli\u003eFilament 2\u003c\/li\u003e\n\u003cli\u003eGrid \u003c\/li\u003e\n\u003cli\u003eFilament 1\u003c\/li\u003e\n\u003cli\u003eGrid\u003c\/li\u003e\n\u003cli\u003eFilament 2\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGrid\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eShell around the base = Screen grid\u003c\/p\u003e\n\u003cp\u003eFinned Radiator = Anode\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eFilament voltage 5V\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eFilament current 22.5A\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eMax anode voltage 2kV\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eMax anode dissipation 330W\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eMax anode current 300mA\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eMax grid dissipation 20W\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eMax operating frequency 110MHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e * At Va=1kV, Vg2=500V, VG1=-30V\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA great addition to a collection of vintage tech and \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/militaria\" target=\"_blank\"\u003emilitaria. \u003c\/a\u003e\u003c\/p\u003e","brand":"STC Standard Telephone Cable","offers":[{"title":"Default Title","offer_id":45581337624833,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/STC_4H_182E_Military_Transmitting_Tetrode_Valve_CV1883.jpg?v=1736589761","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/stc-4h-182e-military-transmitting-tetrode-valve-cv1883","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}