{"product_id":"universal-audio-550-a-filter-pair-used","title":"Universal Audio 550-A Filter Pair (Vintage)","description":"\u003cp\u003eDouble 1\/4\" phone  jack inputs and outputs on front; XLR in\/out on rear panel. Great  for doing surgical equalization.\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e550-A\u003c\/strong\u003e \u003cstrong\u003eRecording Filter\u003c\/strong\u003e is a variable high pass and low  pass filter with excellent band restriction over the important ranges  required by modern film and disc recording, broadcast and sound  reproduction. The 550-A has independent controls for both high and low  frequencies, each with six positions. Separate on\/off controls are  provided for both high and low frequencies. Standard double jacks are  furnished on the front panel for input and output connections, or  permanent connections may be made to a barrier strip on the rear of the  unit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFilter settings:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e40, 55, 70, 85, 100, 200 Hz\u003c\/li\u003e\n\u003cli\u003e5, 7, 8.5, 10, 12.5, 15 kHz\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Universal Audio","offers":[{"title":"Default Title","offer_id":44449456357479,"sku":"20818","price":1595.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_universal_audio_550-a_filter_pair_38d394d8-29cc-48e5-b7cf-56ace1c9a4f2.jpg?v=1787089029","url":"https:\/\/vintageking.mom\/products\/universal-audio-550-a-filter-pair-used","provider":"Vintage King","version":"1.0","type":"link"}