{"product_id":"crane-song-insigna-in683015-used","title":"Crane Song Insigna #IN683015 (Used)","description":"\u003cp\u003eInsigna is a tube equalizer in a 500 Series package, using a dual triode circuit with a 12AX7 tube It has three bands and filters.\u003c\/p\u003e\r\n\u003cp\u003eThe EQ has 24 db\/oct high pass and low pass filters each with seven frequencies. The top and bottom band are shelving each with eight frequencies. The mid band is peaking with eight frequencies.\u003c\/p\u003e\r\n\u003cp\u003eThe three bands work by using buffered RC circuits in the negative feedback path around the tube amplifiers. The result is a fat sounding EQ rich in second harmonic triode tube color.\u003c\/p\u003e","brand":"Crane Song","offers":[{"title":"Default Title","offer_id":44450709045351,"sku":"156790","price":1195.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/crane-song-insigna-in683015-used_156790_1_d0234f2f-d838-4260-9913-74feee222d48.jpg?v=1787094189","url":"https:\/\/vintageking.mom\/products\/crane-song-insigna-in683015-used","provider":"Vintage King","version":"1.0","type":"link"}