{"product_id":"ballast-tube","title":"Ballast Tube","description":"\u003cp\u003eA ballast tube for vintage radio and television power supply circuits, used to regulate current in series-string tube heater circuits common in AC\/DC sets from the tube era. A specialized but essential part for restoring these circuits to safe, correct operation.\u003c\/p\u003e\u003cp\u003eA hard-to-source part in many cases — worth having on hand for anyone regularly restoring vintage AC\/DC series-heater radios.\u003c\/p\u003e","brand":"Big River Hardware","offers":[{"title":"9-4","offer_id":50779037630770,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true},{"title":"6-4","offer_id":50779039236402,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true},{"title":"8-4","offer_id":50779039269170,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true},{"title":"6h-6","offer_id":50779039301938,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/5097\/2245\/files\/36856BA2-25CC-4CAB-BC6A-DFD7AA35C219.jpg?v=1774229868","url":"https:\/\/bigriverhardware.com\/products\/ballast-tube","provider":"Big River Hardware","version":"1.0","type":"link"}