{"product_id":"rdl-ru-mla2t","title":"RDL RU-MLA2T – Dual Mic\/Line Preamp, Transformer Outputs","description":"\u003ch2\u003eWhat is the RDL RU-MLA2T?\u003c\/h2\u003e\u003cp\u003eThe RDL RU-MLA2T is a dual-channel microphone and line preamplifier with a studio-quality audio output transformer on each output. Inputs and outputs connect on front-panel XLR jacks or rear-panel detachable terminal blocks, and both are active at all times. Each input is switch-selectable for mic or line, with two mic gain ranges and switchable 24 V phantom power. It works as a stereo preamplifier or as two independent mono preamps in conference, worship and training systems.\u003c\/p\u003e\u003ch2\u003eHow does it work?\u003c\/h2\u003e\u003cp\u003e\u003cimg src=\"https:\/\/rdlnet.com\/wp-content\/uploads\/2024\/01\/ru-mla2t.jpg\" alt=\"RDL RU-MLA2T Dual Mic\/Line Preamp, Transformer Outputs\" style=\"max-width:100%;height:auto\" loading=\"lazy\"\u003e\u003c\/p\u003e\u003cp\u003eRear-panel switches on each input select MIC or LINE level, LO or HI mic gain, and 24 Vdc phantom on or off. The two mic gain settings cover a wide variety of dynamic and condenser microphones, from -65 dBu to -3 dBu input levels. Each output has its own rear-panel switch to set mic or line level, and outputs may be wired balanced or unbalanced. Crosstalk between channels is below the noise floor, so the two channels can run as a stereo pair or as separate mono preamps. Front-panel gain trims sit below dual-LED VU meters calibrated to indicate +4 dBu for line-level outputs. The transformer-equipped outputs on the RU-MLA2T add isolation between the preamp and the connected equipment. The module can be rack-mounted with the XLR jacks facing forward or reverse-mounted using the RDL RU-FP1 filler panel\/reverse mount kit. Power is 24 Vdc at 80 mA through a terminal block or power jack; RDL recommends the \u003ca href=\"https:\/\/creationnetworks.net\/products\/rdl-ps-24ax\"\u003ePS-24AX\u003c\/a\u003e supply, and the \u003ca href=\"https:\/\/creationnetworks.net\/products\/rdl-ru-mla2\"\u003eRDL RU-MLA2\u003c\/a\u003e is the non-transformer version. Rack mounting options include the \u003ca href=\"https:\/\/creationnetworks.net\/products\/rdl-ru-hra1\"\u003eRU-HRA1\u003c\/a\u003e and \u003ca href=\"https:\/\/creationnetworks.net\/products\/rdl-rc-1ur\"\u003eRC-1UR\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eWhat are the key features?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-channel preamplifier\u003c\/strong\u003e — Runs as a stereo preamp or as two separate mono mic\/line preamps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransformer-isolated outputs\u003c\/strong\u003e — Each output uses a studio-quality audio output transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront XLR and rear terminals\u003c\/strong\u003e — Front-panel XLR jacks and rear detachable terminal blocks are active at all times.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitchable phantom and gain\u003c\/strong\u003e — Each input selects LO or HI mic gain and 24 V phantom power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMic or line outputs\u003c\/strong\u003e — Each output is switch-selectable for mic or line level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVU metering\u003c\/strong\u003e — Dual-LED VU meters above each gain trim indicate +4 dBu line output.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere is it typically used?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConference room\u003c\/li\u003e\n\u003cli\u003eHouse of worship\u003c\/li\u003e\n\u003cli\u003eTraining room\u003c\/li\u003e\n\u003cli\u003eAuditorium\u003c\/li\u003e\n\u003cli\u003eBroadcast studio\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"border-collapse:collapse;width:100%;min-width:300px;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width:44%\"\u003e\n\u003ccol style=\"width:56%\"\u003e\n\u003c\/colgroup\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eRU-MLA2T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e2 (stereo or dual mono)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eInputs (2)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eXLR (front); detachable terminal block (rear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eMic input level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\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 style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eLine input level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e-15 dBu to +28 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eMic input impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e2 kΩ balanced, switchable 24 V phantom (IEC 61938:2013)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eLine input impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e\u0026gt; 10 kΩ balanced; may be connected unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eOutputs (2)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eXLR (front); detachable terminal block (rear); transformer equipped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eOutput impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e150 Ω balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eGain trim (2)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eFront panel; mic off to 52 dB (LO) or 69 dB (HI); line off to 20 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eFrequency response, mic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e80 Hz to 50 kHz (±0.75 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eFrequency response, line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e15 Hz to 50 kHz (±0.1 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eTHD+N\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e\u0026lt; 0.1% (mic); \u0026lt; 0.005% (line)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eCMRR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e\u0026gt; 60 dB (mic); \u0026gt; 50 dB (line)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eResidual noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eMic -79 dB (50 dB gain); line -85 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eHeadroom\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e\u0026gt; 20 dB above +4 dBu line output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003ePower requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e24 Vdc @ 80 mA, ground-referenced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eOperating environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e0° C to 55° C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eShipping weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e1.93 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eTAA compliant (per RDL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e7-year RDL warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat is the difference between the RU-MLA2 and RU-MLA2T?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe RU-MLA2T adds a studio-quality audio output transformer on each output. The \u003ca href=\"https:\/\/creationnetworks.net\/products\/rdl-ru-mla2\"\u003eRDL RU-MLA2\u003c\/a\u003e has active balanced outputs.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it provide phantom power?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Each input has a switch to enable or disable 24 V phantom power for condenser microphones.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan the front XLR and rear terminals be used together?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eBoth are active at all times, so connections can be made on either the front XLR jacks or the rear terminal blocks.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan it be reverse-mounted in a rack?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. RDL states it can be reverse-mounted using the RDL RU-FP1 filler panel\/reverse mount kit.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat power does it need?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003e24 Vdc at 80 mA, ground-referenced. RDL recommends the \u003ca href=\"https:\/\/creationnetworks.net\/products\/rdl-ps-24ax\"\u003ePS-24AX\u003c\/a\u003e power supply.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat warranty applies?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThis product is covered by a 7-year RDL warranty. For warranty claims, RMAs or support, contact Creation Networks at (888) 230-3661 or sales@creationnetworks.net.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan Creation Networks help with installation?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. Creation Networks designs, programs and commissions commercial AV systems nationwide. Call (888) 230-3661 for help with system design, quoting or installation.\u003c\/p\u003e\u003c\/details\u003e","brand":"RDL","offers":[{"title":"Default Title","offer_id":68025749176556,"sku":"RU-MLA2T","price":604.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/ru-mla2t.jpg?v=1793583326","url":"https:\/\/creationnetworks.net\/products\/rdl-ru-mla2t","provider":"Creation Networks","version":"1.0","type":"link"}