{"product_id":"rdl-sta-1m","title":"RDL STA-1M","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe STA-1M allows bridging any audio line, adjusting the gain, and driving a balanced or unbalanced line. The circuit design allows the input to accept either balanced or unbalanced signals, of either high or low impedance. This is an instrumentation type input stage which will amplify the differential input, regardless of ground reference. The output is capable of driving either high or low impedance loads, and the output may be connected either balanced or unbalanced.\u003c\/p\u003e\u003cp\u003eRDL's SupplyFlex power input configuration is included in the STA-1M. The power supply input may be fed from a floating (not ground-referenced) 24 Vdc power source, from a bipolar power supply (+\/ 12 Vdc or +\/-15 Vdc) or from a ground-referenced 24 Vdc power supply.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSingle-Channel Audio Line Amplifier\u003c\/li\u003e\n\u003cli\u003eBalanced or Unbalanced Inputs and Outputs\u003c\/li\u003e\n\u003cli\u003eBridge a Line to Avoid Loading\u003c\/li\u003e\n\u003cli\u003eHigh to Low Impedance Conversion\u003c\/li\u003e\n\u003cli\u003eLow to High Impedance Conversion\u003c\/li\u003e\n\u003cli\u003eInstrumentation Input to Isolate Ground Loops\u003c\/li\u003e\n\u003cli\u003ePrecisely Match Audio Levels\u003c\/li\u003e\n\u003cli\u003eRDL® SupplyFlex™ Power Input Configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e10 k? balanced or unbalanced bridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs (2)\u003c\/td\u003e\n\u003ctd\u003e150 ? balanced to drive low or high-Z; 75 ? unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Level\u003c\/td\u003e\n\u003ctd\u003e+4 dBu nominal, (adjustable; unbalanced output 6 dB below balanced line level)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD+N\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.05%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e10 Hz to 20 kHz (±0.25 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadroom above +4 dBu\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 18 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMRR\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 50 dB at full gain (50 to 120 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Below + 4dBu\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; -75 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003eAdjustable per chart below\u003cbr\u003e\u003cb\u003eInput\/Output \u003c\/b\u003e \u003cb\u003eMin Gain\/Max Gain\u003c\/b\u003e\u003cbr\u003eUnbal. \/ Balanced -7 dB \/ +14 dB\u003cbr\u003eBal. \/ Balanced -7 dB \/ +14 dB\u003cbr\u003eBal. \/ Unbalanced -14 dB \/ +7 dB\u003cbr\u003eUnbal. \/ Unbalanced  -14 dB \/ +7 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Operating Environment\u003c\/td\u003e\n\u003ctd\u003e0° C to 55° C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eGROUND-REFERENCED or FLOATING, 24 Vdc @ 50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eCardboard Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd\u003e2 x 2 x 4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e0.19 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWEEE weight\u003c\/td\u003e\n\u003ctd\u003e0.136 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff code\u003c\/td\u003e\n\u003ctd\u003e8518.40.2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"RDL","offers":[{"title":"Default Title","offer_id":43895102898219,"sku":"RDL-STA-1M","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/rdl-sta-1m-2__30106.1682443531.1280.1280.jpg?v=1775684018","url":"https:\/\/www.empirepro.com\/products\/rdl-sta-1m","provider":"Empire Pro","version":"1.0","type":"link"}