{"product_id":"priedusilvatiel-za-mikrofon-sonifex-rb-ma2-dvoien","title":"Sonifex RB-MA2 Dual microphone amplifier","description":"\u003cp\u003eThe RB-MA2 consists of two independent low-noise microphone pre-amplifiers for converting mic level signals to line level, or for driving long lines from microphones to processing equipment.\u003c\/p\u003e\r\n\r\n\u003cp\u003eAll connections and controls are on the rear panel. The microphone inputs are XLR-3 type and are electronically balanced. The input gain for each input can be adjusted individually by a recessed pre-set potentiometer which allows for the use of both dynamic and powered microphones.\u003cbr \/\u003e\r\n\u003cbr \/\u003e\r\nThe XLR-3 line outputs are electronically balanced and can be wired unbalanced by grounding the non-phase signal, allowing you to feed both balanced and unbalanced equipment.\u003cbr \/\u003e\r\n\u003cbr \/\u003e\r\nFor each channel there are independent switches to control a high pass filter (low frequency roll-off at 125Hz) and to provide phantom power at +48V to the connected microphones.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cimg alt=\"RB-MA2 Diagram\" src=\"https:\/\/www.sonifex.co.uk\/images\/redbox\/rb-ma1_rb-ma2_block_diagram_598px.jpg\" \/\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\r\n\r\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"width:590px\"\u003e\r\n\t\u003ctbody\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd colspan=\"2\"\u003e\r\n\t\t\t\u003cp\u003eTechnical Specification For RB-MA2\u003c\/p\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd colspan=\"2\"\u003e\r\n\t\t\t\u003cp\u003eAudio Specification\u003c\/p\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eMaximum Input Level:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e-10dBu\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eMaximum Output Level:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e+28dBu\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eLow Frequency Roll-Off:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e125Hz @ 6dB\/octave\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eE.I.N.:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e130dB\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eCommon Mode Rejection:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e\u0026gt;60dB typically\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eFrequency Response:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e20Hz to 20kHz \u0026plusmn;0.1dB (600\u0026Omega; load, ref 1kHz)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eInput Impedance:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e2k\u0026Omega; nominal balanced\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eOutput Impedance:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e\u0026lt;50\u0026Omega;\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eGain Range:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003eAdjustable 36dB to 75dB gain (each input)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eDistortion:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e0.01% THD @ 1kHz, ref +8dBu output\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003ePhantom Power:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e48V\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\u0026nbsp;\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e\u0026nbsp;\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd colspan=\"2\"\u003e\r\n\t\t\t\u003cp\u003eConnections\u003c\/p\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eInput:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e2 x XLR 3 pin female (Balanced)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eOutput:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e2 x XLR 3 pin male (Balanced, can be unbalanced)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eMains Input:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003eFiltered IEC, switchable 110-120V, or 220-240V, fused, 6W max\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eFuse Rating:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003eAnti-surge fuse 100mA 20 x 5mm (230VAC)\u003cbr \/\u003e\r\n\t\t\tAnti-surge fuse 250mA 20 x 5mm (115VAC)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\u0026nbsp;\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e\u0026nbsp;\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd colspan=\"2\"\u003e\r\n\t\t\t\u003cp\u003eEquipment Type\u003c\/p\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eRB-MA2:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003eDual microphone amplifier\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003e\u0026nbsp;\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e\u0026nbsp;\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd colspan=\"2\"\u003e\r\n\t\t\t\u003cp\u003ePhysical Specification\u003c\/p\u003e\r\n\t\t\t\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eDimensions (Raw):\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e28cm (W) x 10.8cm (D) x 4.2cm (H) (1U)\u003cbr \/\u003e\r\n\t\t\t11\u0026rdquo; (W) x 4.3\u0026rdquo; (D) x 1.7\u0026rdquo; (H) (1U)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eDimensions (Boxed):\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003e36cm (W) x 20.5cm (D) x 6cm (H)\u003cbr \/\u003e\r\n\t\t\t14.2\u0026rdquo; (W) x 8\u0026rdquo; (D) x 2.4\u0026rdquo; (H)\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\t\u003ctr\u003e\r\n\t\t\t\u003ctd\u003eWeight:\u003c\/td\u003e\r\n\t\t\t\u003ctd\u003eNett: 1.00kg Gross: 1.45kg\u003cbr \/\u003e\r\n\t\t\tNett: 2.2lbs \u0026nbsp;Gross: 3.2lbs\u003c\/td\u003e\r\n\t\t\u003c\/tr\u003e\r\n\t\u003c\/tbody\u003e\r\n\u003c\/table\u003e","brand":"Sonifex","offers":[{"title":"Default Title","offer_id":53585169318225,"sku":"RB-MA2","price":541.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9686\/2033\/files\/1HWiPF9NSD0LAERKsx2yLTcfSpKXxgBI.jpg?v=1776798348","url":"https:\/\/dynaphos.com\/en\/products\/priedusilvatiel-za-mikrofon-sonifex-rb-ma2-dvoien","provider":"Dynaphos","version":"1.0","type":"link"}