{"product_id":"heritage-audio-dma-73-dual-channel-microphone-preamp","title":"Heritage Audio DMA-73 Dual Channel Microphone Preamp","description":"\u003cp\u003eThe DMA-73 brings Heritage Audio's 1073 microphone amplifier designs into a 2U rack mount unit. It's powered by an included linear PSU to decrease hum in the audio path.\u003c\/p\u003e \r\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \r\n\u003cul\u003e \r\n  \u003cli\u003e80dB Class A Microphone preamplifier, HI-LO selectable minimum input impedance, balanced and floating.\u003c\/li\u003e \r\n  \u003cli\u003eHigh gain positions show a higher impedance, ideal for old ribbon mics.\u003c\/li\u003e \r\n  \u003cli\u003e50Db Class A Line preamplifier, bridging input impedance, balanced and floating.\u003c\/li\u003e \r\n  \u003cli\u003eAll discrete Class A Ultra High Impedance J-Fet Direct Input on a high quality Neutrik Jack.\u003c\/li\u003e \r\n  \u003cli\u003eDI circuit is ahead of the Mic Input transformer, so the transformer is on when in DI mode.\u003c\/li\u003e \r\n  \u003cli\u003eClass A single ended, 2N3055 driven, high headroom output stage.\u003c\/li\u003e \r\n  \u003cli\u003eIndividual Neutrik gold plated XLR connectors for microphone and line inputs.\u003c\/li\u003e \r\n  \u003cli\u003eGold Plated Neutrik XLR output.\u003c\/li\u003e \r\n  \u003cli\u003ePAD: 20dB Mic input attenuation ahead of the input transformer to avoid overloading it.\u003c\/li\u003e \r\n  \u003cli\u003eHI PASS FILTER: Active all discrete Class A 3rd order Bessel, 80Hz Hi Pass Filter. 18dB\/octave slope.\u003c\/li\u003e \r\n  \u003cli\u003eOUTPUT control to allow overloading of the preamp.\u003c\/li\u003e \r\n  \u003cli\u003eExternal linear PSU to avoid electromagnetic radiation into the audio transformers ( a.k.a. hum ).\u003c\/li\u003e \r\n  \u003cli\u003eCarnhill Input and Output transformers.\u003c\/li\u003e \r\n  \u003cli\u003e3 gain stage, genuine B283 gain card modular construction.\u003c\/li\u003e \r\n  \u003cli\u003eMarconi style knobs and vintage style engraved pushbuttons.\u003c\/li\u003e \r\n\u003c\/ul\u003e","brand":"Heritage Audio","offers":[{"title":"Default Title","offer_id":48409730068,"sku":"992127","price":2200.0,"currency_code":"INR","in_stock":true}],"url":"https:\/\/sg-2111.myshopify.com\/products\/heritage-audio-dma-73-dual-channel-microphone-preamp","provider":"SG_2111","version":"1.0","type":"link"}