{"product_id":"cw-178","title":"Zenith 1939 - 1940 Volume Knob","description":"\u003cp\u003eKnob used for on\/off\/volume stacked on top of either knob k38 or k39. Brown k40 knob option was used on some of the 9, 12, and 15-tube sets along with a brown k39 knob. All others used aged ivory. Note: some 1939 Zenith consoles used the brown version knob set, k39  and k40. 1940 models: Used in conjunction with knob k30 only.\u003c\/p\u003e\r\n\u003cp\u003emodels: 7J328, 7J368, 7S323, 7S342, 7S343, 7S363, 7S364, 8S359, 8S440, 8S451, 9S307, 9S324, 9S344, 9S367, 9S369, 10S452, 12S345, 12S370, 12S371, 12S453, 15S308, 15S346, 15S370, 15S371, 15S372, 15S373, 15S346\u003c\/p\u003e\r\n\u003cp\u003eDimension: base is near 1\", 3\/4\" tall, 1\/8\" hole.\u003c\/p\u003e","brand":"Renovated Radios","offers":[{"title":"Default Title","offer_id":51405881639233,"sku":"k41","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/8160\/5953\/files\/Zenith-k41-20200327120730.jpg?v=1771523458","url":"https:\/\/renovatedradios.com\/products\/cw-178","provider":"Renovated Radios, LLC: Reproduction Vintage Radio Parts","version":"1.0","type":"link"}