{"product_id":"vintage-raf-warning-rotary-siren-in-grey-metal-with-mount","title":"Vintage RAF Warning Rotary Siren In Grey Metal With Mount","description":"\u003ch1\u003eVintage RAF Warning Rotary Siren In Grey Metal With Mount\u003c\/h1\u003e\n\u003cp\u003eThis small Vintage RAF Warning Rotary Siren In Grey Metal With Mount is in very good condition with some surface scratches and blemishes commensurate with age and use.\u003c\/p\u003e\n\u003cp\u003eI can't find another like it and I don't know when it was manufactured or who made it: there is no maker's logo. \u003c\/p\u003e\n\u003cp\u003eWe have powered this siren from a bench PSU to a maximum voltage of 30VDC at approx. 300mA but feel it needs a higher voltage to achieve the proper alarm frequency. There is no data plate on the unit stating voltage but it did come from a RAF airfield in Scotland many years ago...\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth:  15 cm\u003c\/li\u003e\n\u003cli\u003eHeight: 9 cm\u003c\/li\u003e\n\u003cli\u003eDiameter: 8 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt's pretty heavy with an unpacked weight of 2.0 Kg, and has a horizontal mounting plate on the base !  A great collectible for those whom love industrial design and artefacts.\u003c\/p\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/home-decor-architectural-salvage\" target=\"_blank\"\u003earchitectural salvage.\u003c\/a\u003e\u003c\/p\u003e","brand":"Unknown","offers":[{"title":"Default Title","offer_id":56054452388215,"sku":null,"price":56.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/Vintage_RAF_Warning_Rotary_Siren_In_Grey_Metal_With_Mount.jpg?v=1761581096","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/vintage-raf-warning-rotary-siren-in-grey-metal-with-mount","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}