{"product_id":"inward-connections-opt1a-used","title":"Inward Connections OPT1A (Used)","description":"Using the legendary SPA690 discrete amp blocks, the \u003cspan style=\"font-weight: bold;\"\u003eInward Connections OPT1A\u003c\/span\u003e \nhas the exact same Optocell gain reduction circuitry as the revered \nTSL-3 Vac-Rac tube limiter in a solid state 500 series format. Fully \ntransformer balanced input and output, along with an all discrete \ndesign insure the sort of top quality audio you would expect from \nInward Connections. \u003cbr\u003e\u003cbr style=\"font-weight: bold;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003e \nFeatures include\u003cbr\u003e \n\u003c\/span\u003e \n\u003cul\u003e\n\u003cli\u003eGain reduction control\u003c\/li\u003e\n\u003cli\u003eZero adjust trim\u003c\/li\u003e\n\u003cli\u003eOutput level control\u003c\/li\u003e\n\u003cli\u003eHi-Pass filter: 250Hz for detector circuit \u003c\/li\u003e\n\u003cli\u003eBypass switch\u003c\/li\u003e\n\u003cli\u003eLED lighted VU meter\u003c\/li\u003e\n\u003cli\u003eVU meter output\/reduction switch\u003c\/li\u003e\n\u003cli\u003eLink switch\u003c\/li\u003e\n\u003cli\u003eSPA690 all discrete legendary amp blocks\u003c\/li\u003e\n\u003cli\u003eOptocell reduction circuitry identical to TSL-3 Tube Limiter\u003c\/li\u003e\n\u003cli\u003eBalance input and output transformers\u003c\/li\u003e\n\u003cli\u003eFits standard 500 series slot configuration mechanically and electrically\u003c\/li\u003e\n\u003c\/ul\u003e \n\u003cspan style=\"font-weight: bold;\"\u003eSpecifications\u003c\/span\u003e\u003cbr\u003e \n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eGain Reduction\u003c\/span\u003e up to 40dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eInput Impedance\u003c\/span\u003e \u0026gt;100K ohms balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eOutput Impedance\u003c\/span\u003e 600 ohms balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eFrequency Response\u003c\/span\u003e +\/- 0.5dB@20Hz to 50KHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eOutput Signal to Noise\u003c\/span\u003e -95dB or greater\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eTHD + Noise\u003c\/span\u003e .01%@1KHz\/+4dBu\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-weight: bold;\"\u003eReserve Makeup Gain\u003c\/span\u003e +15dB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Inward Connections","offers":[{"title":"Default Title","offer_id":44449486700647,"sku":"16567","price":695.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_inward_connections_opt1a_39ebd99b-d168-418d-890c-ac8e0c387bdc.jpg?v=1787089144","url":"https:\/\/vintageking.com\/products\/inward-connections-opt1a-used","provider":"Vintage King","version":"1.0","type":"link"}