{"title":"Rectifier Valves","description":"Rectifier Valves such as the famous GEC U52, the sublime Cossor 53KU, the Mullard GZ34 and GZ32, the diminutive 6X4 and let's not forget the 5Z4G, the 5U4G, 5R4GY. Then there is the 6X5.","products":[{"product_id":"1957-mod-cv1504-half-wave-high-voltage-rectifier-valve","title":"1957 MOD CV1504 Half-wave High Voltage Rectifier Valve","description":"\u003ch1\u003e1957 MOD CV1504 Half-wave High Voltage Rectifier Valve\u003c\/h1\u003e\n\u003cp\u003eThis large valve is a vintage 1957 MOD CV1504 Half-wave High Voltage Rectifier Valve.  In very good cosmetic condition, with a few surface scuffs and blemishes, \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eit has not been tested and is sold as a collectible for display only.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePurportedly designed for use in X-Ray equipment, this particular valve was manufactured by \u003cem data-mce-fragment=\"1\"\u003eUnited Electronics Co., Newark, NJ, USA, \u003c\/em\u003ehowever, this valve type was also made by several different manufacturers including \u003cem\u003eEdiswan\u003c\/em\u003e, who produced the prototype (V1901).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeight: 45.0cm\u003c\/li\u003e\n\u003cli\u003eWidth: 14.5 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe valve is etched on the side as follows:-\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cem\u003eCrown\u003c\/em\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cem\u003eVU504\u003cbr\u003e16.5-40MA \u003cbr\u003e10E\/150 \u003c\/em\u003e(where 10E is the RAF stores reference for Magnets and Radio Valves (Industrial Types))\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eArmy arrow↑ NL\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCV1504\/J\u003c\/em\u003e (which means that it was made 11\/1957)\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eUnited Electronics Co. USA\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary:-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThe filament consists of two hairpins of tungsten.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eThe filament is marked VU504 on one side and 9K-145 on the other.\u003c\/li\u003e\n\u003cli\u003eThe valve has the designation VU504 = 10E\/150= CV1504 \u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"UTF-8\"\u003e \u003cspan\u003e16.5V\/15.2A filament, 60kV\/40MA rating. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBase: Edison E27 screw fitting (27mm)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSince it is unlikely that collectors will use them as intended, some people have looked for alternate uses and have even converted them into novelty lamps!\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA nice piece of Electrical history to add to your collection! \u003c\/p\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/vintage-technology-scientific-engineering-imaging-medical-equipment-instruments-tools\" target=\"_blank\"\u003evintage technology.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNB: Although the valve isn't heavy, it will cost quite a lot to ship due to its size! In the UK this means shipping as a medium parcel.\u003c\/p\u003e","brand":"United Electronics Co.","offers":[{"title":"Default Title","offer_id":56868360978807,"sku":null,"price":34.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/1957_MOD_CV1504_Half-wave_High_Voltage_Rectifier_Valve.jpg?v=1761582621"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/collections\/OSRAM_U_REC_55.png?v=1629734379","url":"https:\/\/mullardantiques.co.uk\/en-us\/collections\/rectifier-valves.oembed","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}