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Heritage Audio launches their 1st rack preamp

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Heritage Audio DMA73
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News Heritage Audio DMA73

Solid-State Pre-amp from Heritage Audio

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Heritage Audio introduces the DMA 73 Class A mic dual channel preamplifier, which recreates the classic Neve 1073 preamp and DI.

Specifications:

  • 80dB Class A Microphone preamplifier, Hi (min. 1200 Ohms) / Lo (min. 300 Ohms) 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 (bridging 10k Ohms)
  • All discrete Class A high Impedance J-Fet Direct Input on a Neutrik Jack. The DI circuit is ahead of the Mic Input transformer, so the transformer is on when in DI mode (> 2M Ohms, unbalanced)
  • Class A single ended, 2N3055 driven, high headroom B283 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
  • Frequency response: 20Hz (0.3dB) – 20kHz (0.2dB)
  • Noise < –100dBm
  • Marconi style knobs and vintage style engraved push buttons

US Price of the Heritage Audio DMA 73 is $2199.99. More details soon on www.heritageaudio.net.

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