{"product_id":"rdl-hr-mp2a","title":"RDL HR-MP2A","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe HR-MP2A is a dual channel microphone preamplifier with line-level outputs. Each section provides identical rear-panel signal connections and front-panel controls.\u003c\/p\u003e\u003cp\u003eEach preamplifier is equipped with a front-panel INPUT PAD switch that allows the operator to attenuate the input signal by 15 dB prior to the preamplifier input stage, increasing the maximum input level from +5 dBu (attenuator out) to greater than +20 dBu. A POLARITY switch provides signal polarity reversal if needed. The GAIN control provides continuous adjustment between 20 dB and 60 dB. A CLIP LED flashes if a signal peak is within 3 dB of clipping. The trigger threshold of the CLIP LED is 17 dB above a normal +4 dBu output.\u003c\/p\u003e\u003cp\u003eThe HR-MP2A offers exceptional input headroom, wide flat frequency response and extremely low noise with very high common-mode signal rejection. Total harmonic distortion and crosstalk are below the noise floor, allowing the HR-MP2A to be operated as a stereo preamplifier or as two separate mono preamplifiers.\u003c\/p\u003e\u003cp\u003eEach preamplifier provides two balanced line-level output formats: Detachable terminal block and ¼” TRS. A separate summing amplifier provides a combined mono output on a line-level detachable terminal block. Balanced outputs may be wired unbalanced. The rear panel also provides a detachable terminal block and a power input jack to connect 24 Vdc power.\u003c\/p\u003e\u003cp\u003eThe HR-MP2A is constructed in a durable half-rack-width shielded metal enclosure for free-standing use or for mounting in an RDL rack adapter, available separately.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo Independent Microphone Preamplifiers\u003c\/li\u003e\n\u003cli\u003eBalanced XLR Microphone Inputs\u003c\/li\u003e\n\u003cli\u003eIndependent Controls for Each Preamplifier\u003c\/li\u003e\n\u003cli\u003eFront-Panel 20 to 60 dB Gain Control\u003c\/li\u003e\n\u003cli\u003eSwitch-selectable 48 Volt Phantom\u003c\/li\u003e\n\u003cli\u003eSwitch-Selectable 15 dB Input Pad\u003c\/li\u003e\n\u003cli\u003eSwitch-Selectable Polarity Reversal\u003c\/li\u003e\n\u003cli\u003eSwitch-selectable 48 Volt Phantom for Both Preamplifiers\u003c\/li\u003e\n\u003cli\u003eCLIP Indicators for Peaks 3 dB Below Clipping\u003c\/li\u003e\n\u003cli\u003eBalanced Line-Level Outputs\u003c\/li\u003e\n\u003cli\u003eEach Output Allows Balanced or Unbalanced Connection\u003c\/li\u003e\n\u003cli\u003eEach Preamp Output on ¼” TRS or Detachable Terminal Block\u003c\/li\u003e\n\u003cli\u003eSeparate Summed Output 1 + 2 on Detachable Terminal Block\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs (2)\u003c\/td\u003e\n\u003ctd\u003eXLR (3 pin, rear panel,1=GND, 2+, 3-)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput level (for +4 dBu output)\u003c\/td\u003e\n\u003ctd\u003e-56 dBu to 0 dBu (maximum gain without pad, minimum gain with pad)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Level\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;+5 dBu (input pad disabled), +22 dBu (input pad enabled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 1 k? balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhantom power\u003c\/td\u003e\n\u003ctd\u003eSwitchable (both preamplifiers) 48 V phantom (IEC 61938: 2013)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput pad (2)\u003c\/td\u003e\n\u003ctd\u003e15 dB nominal (1 per preamplifier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs (5)\u003c\/td\u003e\n\u003ctd\u003eEach preamplifier (rear-panel): Detachable terminal block, ¼” TRS\u003cbr\u003eMono sum (rear-panel): detachable terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput level\u003c\/td\u003e\n\u003ctd\u003e+4 dBu balanced, -4 dBV unbalanced; +24 dBu maximum balanced\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\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e2 (1 and 2; may be used for stereo or as two separate mono preamplifiers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain Trim (2)\u003c\/td\u003e\n\u003ctd\u003e20 dB to 60 dB (front panel adjustable; one for each preamplifier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e10 Hz to 70 kHz (± 0.5 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003eBelow noise floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMRR\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 80 dB (50 Hz to 5 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResidual Noise (below +4 dBu output)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;-85 dB (20 Hz to 20 kHz, 40 dB gain, 150 ? source); \u0026lt;-70 dB (20 Hz to 20 kHz, 60 dB gain, 150 ? source)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrosstalk\u003c\/td\u003e\n\u003ctd\u003eBelow noise floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators (3)\u003c\/td\u003e\n\u003ctd\u003ePOWER LED (blue), CLIP (2, red)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e24 Vdc @ 165 mA (190 mA with phantom), Ground-referenced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRack-mount using optional rack adapters such as HR-RA2; or operate free-standing (feet included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eHeight: 1.7 in, 4.3 cm; Length: 8.6 in, 20.6 cm; Depth: 4.59 in, 11.66 cm\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\u003e9.5 x 7 x 2.25 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2.68 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWEEE weight\u003c\/td\u003e\n\u003ctd\u003e2.32 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":43895092740139,"sku":"RDL-HR-MP2A","price":454.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/rdl-hr-mp2a-2__65246.1682436016.1280.1280.jpg?v=1775683963","url":"https:\/\/www.empirepro.com\/products\/rdl-hr-mp2a","provider":"Empire Pro","version":"1.0","type":"link"}