Heritage Audio DMA-73

Microphone Preamplifier

  • 80 dB Class A microphone preamplifier
  • HI-LO selectable input impedance
  • High gain settings have a higher input impedance
  • Ideal for older ribbon microphones
  • 50 dB Class A Line preamplifier
  • Discreet Class A Ultra High Impedance J-Fet Direct Input to a high-quality Neutrik jack
  • The DI input is in front of the input transformer, which is directly in the signal path
  • Class A single ended 2N3055 output stage with enormous headroom
  • Gilded Neutrik XLR connectors for inputs and outputs
  • PAD: 20 dB Mic input PAD in front of the input transformer to avoid overdriving the transformer
  • HI PASS FILTER: Active third-order discrete filter (Bessel)
  • 80 Hz Hi Pass filter
  • 18dB / Octave slope
  • OUTPUT control allows turning down in order to intentionally override the preamp.
  • External power supply to avoid electromagnetic interferences and thus "hum"
  • Carnhill input and output transformer
  • 3 Gain stages
  • Marconi style knob and engraved "vintage" push buttons

Further Information

Channels 2
Number of microphone inputs 2
Instrument input Yes
Tubes No
Compressor/Limiter No
Equalizer No
De-Esser No
Phantom power Yes
Phase Reverse Yes
External effect loops No
Analogue Outputs XLR
Headphone connection No
Level Meter No
2 Customer Ratings:
  • 5
  • 4
  • 3
  • 2
  • 1
5 / 5.0
  • handling
  • features
  • sound
  • quality
Text ratings for this product are available in another language only so far
2 written ratings
de Automatically translated (Show original)
deOriginal review (Show translation)
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Total
handling
features
sound
quality

English WEAPONS!

Der Seitzmichel, 16.10.2013
Who is looking for the British guitar sound: BUY!

My test setup:
Duesenberg Starplayer TV -> VOX AC 15 -> SM57 and MD421 -> Heritage Audio -> A / D Converter (Apogee)

I sat in front of the studiomonitors with my lower jaw folded down. For me the icing on the cake ...
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es Automatically translated (Show original)
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Total
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Great sound quality and construction.

Joan S., 22.11.2017
I was looking for a double quality preamp type Neve 1073 as the central pair of my studio and I came across the DMA 73. Basically it has become my centerpiece of the study.

First, the construction quality of both the preamps and the power supply is excellent and robust. The buttons and knobs and the audio inputs and outputs are very solid.
High quality sound with a very pleasant saturation with high input gain, which reaches 80 db (very useful with dynamic microphones and above all tape). The HPF is a marvel and the change of impedance (LoZ) alters the sound and for example in guitars it gives very good use.
The DI that it brings works very well and I give it a lot of use with the electric bass and some guitar that looks for a different sound.
On the other hand, I love passing digital sounds through the preamp to provide the sound of the Carnhill transformers, it adds a lot with the gain knob high enough.

Although it is not cheap in general, compared to other 1073 the market offers the same quality for the best price.
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Mic Preamps
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Microphone preamps, are analogue devices that will remain important even as most other equipment is superseded by digital alternatives.
 
 
 
 
 
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