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{"id":1721665617971,"title":"Heritage Audio DMA73 DMA-73 Microphone Preamp Mic Pre Rack Studio Recording","handle":"new-heritage-audio-dma73-dma-73-microphone-preamp-mic-pre-rack-studio-recording","description":"\u003cdiv class=\"row-fluid section\" id=\"description-section\"\u003e\n\u003cdiv id=\"description\"\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cstrong\u003e\u003cspan style=\"line-height: 36px;\"\u003eHERITAGE AUDIO DMA73\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• 80dB Class A Microphone preamplifier, HI-LO selectable minimum input impedance, balanced and floating. High gain positions show a higher impedance, ideal for old ribbon mics.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• 50Db Class A Line preamplifier, bridging input impedance, balanced and floating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• All discrete Class A Ultra High Impedance J-Fet Direct Input on a high quality Neutrik Jack. The DI circuit is ahead of the Mic Input transformer, so the transformer is on when in DI mode.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Class A single ended, 2N3055 driven, high headroom output stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Individual Neutrik gold plated XLR connectors for microphone and line inputs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Gold Plated Neutrik XLR output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• PAD: 20dB Mic input attenuation ahead of the input transformer to avoid overloading it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• HI PASS FILTER: Active all discrete Class A 3rd order Bessel, 80Hz Hi Pass Filter. 18dB\/octave slope.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• OUTPUT control to allow overloading of the preamp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• External linear PSU to avoid electromagnetic radiation into the audio transformers ( a.k.a. hum ).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Carnhill Input and Output transformers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• 3 gain stage, genuine B283 gain card modular construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Marconi style knobs and vintage style engraved pushbuttons.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e• Microphone input impedance: HI, 1200 Ohm minimum, LO, 300 Ohm minimum. Higher gain positions gradually have greater impedances, optimum for lo gain ribbon mics. Input is Carnhill transformer balanced and floating.\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Line input impedance: 10K Ohms bridging, Carnhill transformer balanced and floating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• DI input impedance: Greater than 2 Megohms, unbalanced.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Output impedance: Less than 75 Ohms, Carnhill transformer balanced and floating, to drive a load of 600 ohms (factory terminated).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Maximum output: Greater than +26dBm into 600 ohms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• THD: Less than 0.025% at 1 Khz, less than 0.05% at 100Hz.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Frequency response: 20Hz ( +0.3dB ) to 20Khz (-0.2dB)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Maximum gain: Slightly greater than 80dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Noise: Less than -100dBm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e• Power consumption: Less than 200 mA @24VDC\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2019-02-22T03:50:48-05:00","created_at":"2019-02-22T03:50:50-05:00","vendor":"Heritage Audio","type":"Studio Hardware","tags":["finance24"],"price":220000,"price_min":220000,"price_max":220000,"available":true,"price_varies":false,"compare_at_price":230000,"compare_at_price_min":230000,"compare_at_price_max":230000,"compare_at_price_varies":false,"variants":[{"id":16230486245427,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DMA73","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Heritage Audio DMA73 DMA-73 Microphone Preamp Mic Pre Rack Studio Recording","public_title":null,"options":["Default Title"],"price":220000,"weight":7257,"compare_at_price":230000,"inventory_management":"shopify","barcode":"639713908268"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_754e5d0f-41a3-4be6-a9c6-b7c0b614d34f.jpg?v=1572421726","\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_388d058a-e3c5-42c0-b7c1-e74c7ce83b68.jpg?v=1572421726","\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_eb48fb73-13b5-49ba-86e6-d16e87555775.jpg?v=1572421726"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_754e5d0f-41a3-4be6-a9c6-b7c0b614d34f.jpg?v=1572421726","options":["Title"],"media":[{"alt":null,"id":2346258759731,"position":1,"preview_image":{"aspect_ratio":1.441,"height":555,"width":800,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_754e5d0f-41a3-4be6-a9c6-b7c0b614d34f.jpg?v=1569405333"},"aspect_ratio":1.441,"height":555,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_754e5d0f-41a3-4be6-a9c6-b7c0b614d34f.jpg?v=1569405333","width":800},{"alt":null,"id":2346258825267,"position":2,"preview_image":{"aspect_ratio":1.441,"height":555,"width":800,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_388d058a-e3c5-42c0-b7c1-e74c7ce83b68.jpg?v=1569405333"},"aspect_ratio":1.441,"height":555,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_388d058a-e3c5-42c0-b7c1-e74c7ce83b68.jpg?v=1569405333","width":800},{"alt":null,"id":2346258890803,"position":3,"preview_image":{"aspect_ratio":1.441,"height":555,"width":800,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_eb48fb73-13b5-49ba-86e6-d16e87555775.jpg?v=1569405333"},"aspect_ratio":1.441,"height":555,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0068\/8871\/8387\/products\/57_eb48fb73-13b5-49ba-86e6-d16e87555775.jpg?v=1569405333","width":800}],"content":"\u003cdiv class=\"row-fluid section\" id=\"description-section\"\u003e\n\u003cdiv id=\"description\"\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cstrong\u003e\u003cspan style=\"line-height: 36px;\"\u003eHERITAGE AUDIO DMA73\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• 80dB Class A Microphone preamplifier, HI-LO selectable minimum input impedance, balanced and floating. High gain positions show a higher impedance, ideal for old ribbon mics.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• 50Db Class A Line preamplifier, bridging input impedance, balanced and floating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• All discrete Class A Ultra High Impedance J-Fet Direct Input on a high quality Neutrik Jack. The DI circuit is ahead of the Mic Input transformer, so the transformer is on when in DI mode.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Class A single ended, 2N3055 driven, high headroom output stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Individual Neutrik gold plated XLR connectors for microphone and line inputs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Gold Plated Neutrik XLR output.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• PAD: 20dB Mic input attenuation ahead of the input transformer to avoid overloading it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• HI PASS FILTER: Active all discrete Class A 3rd order Bessel, 80Hz Hi Pass Filter. 18dB\/octave slope.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• OUTPUT control to allow overloading of the preamp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• External linear PSU to avoid electromagnetic radiation into the audio transformers ( a.k.a. hum ).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Carnhill Input and Output transformers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• 3 gain stage, genuine B283 gain card modular construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Marconi style knobs and vintage style engraved pushbuttons.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e• Microphone input impedance: HI, 1200 Ohm minimum, LO, 300 Ohm minimum. Higher gain positions gradually have greater impedances, optimum for lo gain ribbon mics. Input is Carnhill transformer balanced and floating.\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Line input impedance: 10K Ohms bridging, Carnhill transformer balanced and floating.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• DI input impedance: Greater than 2 Megohms, unbalanced.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Output impedance: Less than 75 Ohms, Carnhill transformer balanced and floating, to drive a load of 600 ohms (factory terminated).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Maximum output: Greater than +26dBm into 600 ohms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• THD: Less than 0.025% at 1 Khz, less than 0.05% at 100Hz.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Frequency response: 20Hz ( +0.3dB ) to 20Khz (-0.2dB)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Maximum gain: Slightly greater than 80dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\" style=\"font-family: Georgia;\"\u003e\u003cspan style=\"line-height: 36px;\"\u003e• Noise: Less than -100dBm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e• Power consumption: Less than 200 mA @24VDC\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}

Heritage Audio DMA73 DMA-73 Microphone Preamp Mic Pre Rack Studio Recording

$2,200.00 $2,300.00
Maximum quantity available reached.

0% interest for 24 months, 24 equal monthly payments;
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Product Description

HERITAGE AUDIO DMA73

• 80dB Class A Microphone preamplifier, HI-LO selectable minimum input impedance, balanced and floating. High gain positions show a higher impedance, ideal for old ribbon mics.

• 50Db Class A Line preamplifier, bridging input impedance, balanced and floating.

• All discrete Class A Ultra High Impedance J-Fet Direct Input on a high quality Neutrik Jack. The DI circuit is ahead of the Mic Input transformer, so the transformer is on when in DI mode.

• Class A single ended, 2N3055 driven, high headroom output stage.

• Individual Neutrik gold plated XLR connectors for microphone and line inputs.

• Gold Plated Neutrik XLR output.

• PAD: 20dB Mic input attenuation ahead of the input transformer to avoid overloading it.

• HI PASS FILTER: Active all discrete Class A 3rd order Bessel, 80Hz Hi Pass Filter. 18dB/octave slope.

• OUTPUT control to allow overloading of the preamp.

• External linear PSU to avoid electromagnetic radiation into the audio transformers ( a.k.a. hum ).

• Carnhill Input and Output transformers.

• 3 gain stage, genuine B283 gain card modular construction.

• Marconi style knobs and vintage style engraved pushbuttons.

• Microphone input impedance: HI, 1200 Ohm minimum, LO, 300 Ohm minimum. Higher gain positions gradually have greater impedances, optimum for lo gain ribbon mics. Input is Carnhill transformer balanced and floating.

• Line input impedance: 10K Ohms bridging, Carnhill transformer balanced and floating.

• DI input impedance: Greater than 2 Megohms, unbalanced.

• Output impedance: Less than 75 Ohms, Carnhill transformer balanced and floating, to drive a load of 600 ohms (factory terminated).

• Maximum output: Greater than +26dBm into 600 ohms.

• THD: Less than 0.025% at 1 Khz, less than 0.05% at 100Hz.

• Frequency response: 20Hz ( +0.3dB ) to 20Khz (-0.2dB)

• Maximum gain: Slightly greater than 80dB

• Noise: Less than -100dBm.

• Power consumption: Less than 200 mA @24VDC

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