{"product_id":"api-audio-550b","title":"API Audio 550b","description":"\u003cdiv lang=\"en\"\u003e\n\u003cp\u003e\u003cstrong\u003eAPI Audio 550B\u003c\/strong\u003e – discrete 4-band equalizer inspired by 1960s API consoles, featuring overlapping bands for tonal shaping. Uses 2520 op-amp for headroom and warm analog performance.\u003cgrok-card data-id=\"ef63d3\" data-type=\"citation_card\"\u003e\u003c\/grok-card\u003e\u003cgrok-card data-id=\"2fe9a7\" data-type=\"citation_card\"\u003e\u003c\/grok-card\u003e\u003c\/p\u003e\n\u003cp\u003eProportional Q widens bandwidth at low settings, narrows at high for minimal phase shift. Reciprocal filtering allows reversing modifications. 500 Series format for modular racks.\u003c\/p\u003e\n\u003ch3\u003eMAIN FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4 overlapping bands: 7 frequencies each, spanning 4-5 octaves\u003c\/li\u003e\n\u003cli\u003e12dB boost\/cut per band\u003c\/li\u003e\n\u003cli\u003eShelf\/peak switching on outer bands\u003c\/li\u003e\n\u003cli\u003eProportional Q for intuitive control\u003c\/li\u003e\n\u003cli\u003eHigh headroom with 2520 op-amp\u003c\/li\u003e\n\u003cli\u003eSingle-slot 500 Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBands\u003c\/strong\u003e: 4-band discrete\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost\/Cut\u003c\/strong\u003e: ±12dB per band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat\u003c\/strong\u003e: 500 Series single-slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower\u003c\/strong\u003e: 500 Series slot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"API Audio","offers":[{"title":"Default Title","offer_id":58445785268556,"sku":"40583","price":1433.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/9854\/1644\/files\/APIAudio550b1.jpg?v=1786986866","url":"https:\/\/noiseroom.lt\/lt\/products\/api-audio-550b","provider":"Noise Room","version":"1.0","type":"link"}