{"product_id":"rdl-ru-mld4","title":"RDL RU-MLD4","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe RU-MLD4 is a four channel audio distribution amplifier. The input and all four outputs may be connected through the front-panel XLR jacks or on the rear panel detachable terminal blocks. The input accepts either a balanced microphone or line level signal. Each of the four outputs provides either a microphone or line level signal. Both the front-panel XLR connectors and the rear-panel terminals are active at all times.\u003c\/p\u003e\u003cp\u003eThe audio input is equipped with a rear-panel switch to select between MIC and LINE level. Two additional switches allow setting the MIC input for LO or HI gain and for enabling or disabling standard 24 Vdc phantom. The two microphone gain settings allow the connection of a wide variety of dynamic and condenser microphones. Each output is provided with a separate rear-panel switch to set the associated level to either MIC or LINE. Audio outputs are isolated from each other and may be wired balanced or unbalanced. Gain trim is provided on a front-panel control. An RDL Dual-led VU meter is provided above the gain trimmer. The meter is calibrated to indicate +4 dBu for outputs set to line level. The rear panel provides a detachable terminal block and a power input jack to connect 24 Vdc power. Each output of the RU-MLD4T is equipped with a studio-quality audio output transformer.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDistribution Amplifier with Four Outputs\u003c\/li\u003e\n\u003cli\u003eFront Panel XLR Input \/ Output Jacks\u003c\/li\u003e\n\u003cli\u003eDetachable Input \/ Output Terminal Blocks\u003c\/li\u003e\n\u003cli\u003eSwitch-selectable Mic or Line Input\u003c\/li\u003e\n\u003cli\u003eSwitch-selectable Mic Gain and Phantom\u003c\/li\u003e\n\u003cli\u003eGain Trim on Input\u003c\/li\u003e\n\u003cli\u003eEach Output Switch-selectable Mic or Line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eXLR(front); detachable term block(rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput level (for +4 dBu output)\u003c\/td\u003e\n\u003ctd\u003eSwitch-selectable (rear panel) MIC\/LINE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMic\u003c\/td\u003e\n\u003ctd\u003e-48 dBu to -3 dBu (LO GAIN); -65 dBu to -20 dBu (HI GAIN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine\u003c\/td\u003e\n\u003ctd\u003e-15 dBu to +28 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\n\u003cbr\u003e\u003cb\u003eInput Impedance:\u003c\/b\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMic\u003c\/td\u003e\n\u003ctd\u003e2 k? balanced, switchable 24 V phantom (IEC 61938: 2013)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 10 k? balanced; may be connected unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs (4)\u003c\/td\u003e\n\u003ctd\u003eXLR(front); detachable term block(rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput level\u003c\/td\u003e\n\u003ctd\u003eSwitch-selectable (rear panel) MIC\/LINE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e150 ? balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain Trim\u003c\/td\u003e\n\u003ctd\u003eFront panel adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMic\u003c\/td\u003e\n\u003ctd\u003eOff to 52 dB gain (LO GAIN); Off to 69 dB gain (HI GAIN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine\u003c\/td\u003e\n\u003ctd\u003eOff to 20 dB gain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\n\u003cbr\u003e\u003cb\u003eFrequency Response:\u003c\/b\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMic\u003c\/td\u003e\n\u003ctd\u003e80 Hz to 50 kHz (± 0.75 dB); \u0026lt; 10 dB @ 20 Hz (integral high-pass filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine\u003c\/td\u003e\n\u003ctd\u003e15 Hz to 50 kHz (± 0.1 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD+N\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1% (Mic); \u0026lt; 0.005% (Line)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMRR\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 60 dB (Mic); \u0026gt; 50 dB (Line)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\n\u003cbr\u003e\u003cb\u003eResidual Noise (below +4 dBu LINE output\u003cbr\u003eor -45 dBu MIC output):\u003c\/b\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMic\u003c\/td\u003e\n\u003ctd\u003e-79 dB (50dB Gain); -70 dB (Mic 60dB Gain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine\u003c\/td\u003e\n\u003ctd\u003e-85 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadroom\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 20 dB (above +4 dBu LINE output)\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, 24 Vdc @ 90 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\u003e6 x 6 x 2.625 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1.48 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWEEE weight\u003c\/td\u003e\n\u003ctd\u003e1.235 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":43895096770603,"sku":"RDL-RU-MLD4","price":362.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/rdl-ru-mld4-2__47738.1682443513.1280.1280.jpg?v=1775683989","url":"https:\/\/www.empirepro.com\/products\/rdl-ru-mld4","provider":"Empire Pro","version":"1.0","type":"link"}