Preamps

The Heritage Audio DMA 73 stereo mic preamp is the ultimate choice for producers, engineers and musicians seeking unmatched sonic authenticity and exceptional build quality. Featuring a true dual 3-stage 73-style design, this preamp delivers faithful sound reproduction and unparalleled versatility to meet all the needs of audio professionals. The DMA 73 is the ultimate tool for bringing a vintage dimension and harmonic richness to your recordings.

ARTICLE N° 93376
  • Heritage Audio DMA 73
  • Microphone preamp
  • 2 Channels
  • Microphone input impedance: HI=1200 Ω min, LO=300 Ω min
  • Higher gain positions have progressively higher Ωs
  • Optimal for low gain ribbon microphones
  • Input is balanced and floating by Carnhill transformer
  • Line input impedance: 10 kΩ Bridged, balanced & floating via Carnhill transformer
  • DI input impedance: > 2 MΩ, Unbalanced
  • Output impedance: < 75 Ω, balanced & floating via transformer
  • Carnhill, 600 Ω
  • Maximum output: >+26 dBm, 600 Ω
  • DHT: <0.025% @ 1 kHz / <0.05% @ 100 Hz
  • Freq response: 20 Hz ⭢ 20 kHz
  • Maximum gain: > 80 dB
  • Noise: < -100 dBm
  • Connections:
  • Inputs: 2x 2 XLR
  • Outputs: 2x XLR
  • Power supply: mains adapter provided
  • Standard 19" Rack format: 1U vertical
  • Dimensions: 482 x 280 x 44 mm
  • Weight: 4 kg
Hand-built with high-end components and traditional wiring techniques, the DMA 73 is the result of unique craftsmanship, guaranteeing impeccable sound quality.
Each unit is fully assembled and wired by hand at Heritage Audio's Madrid facility, with meticulous attention to every detail.

Carnhill transformers, manufactured exclusively for Heritage Audio, give the DMA 73 its distinctive vintage character and unmistakable warmth. These transformers, used in the famous consoles of the 70s, are the keystone of the DMA 73's sonic authenticity, offering faithful and detailed sound reproduction.

Line mode allows you to re-amp pre-recorded tracks and add vintage Class A flair to flat recordings, while the discrete Class A JFET DI circuit ensures exceptional sound quality for direct bass recording.

If you're looking for the ultimate vintage sound experience, don't compromise on transformer quality. With the DMA 73 from Heritage Audio, you get exclusive, incomparable sound for high-quality professional recordings.
Canals
 2
19" rack
 Kit 19" included, 1U
Power supply
 Power adapter (included)
Audio outputs
 XLR
Analog input
 XLR