{"product_id":"crane-song-insigna-in682803-used","title":"Crane Song Insigna #IN682803 (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":44450267168871,"sku":"99307","price":895.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/crane-song-insigna-in682803-used_99307_1_5bb0833b-3c33-4d26-8313-bc94c4ce4423.jpg?v=1787092381","url":"https:\/\/vintageking.mom\/products\/crane-song-insigna-in682803-used","provider":"Vintage King","version":"1.0","type":"link"}