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Heritage Audio DMA-73 Dual Microphone Preamplifier

Model: DMA73

Heritage Audio Warranty
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Specifications

Packaging Info

Package Weight 14.35 lb
Box Dimensions (LxWxH) 24.0 x 18.5 x 6.6"

General Information

Input Impedance MicrophoneHI: 1200 Ω minimumLO: 300 Ω minimum Line: 10 kΩ bridging, Carnhill transformer balanced and floatingDI: Greater than 2 MΩ
Output Impedance Less than 75 Ω,Transformer balanced and floating to drive a load of 600 Ω
Maximum Output Greater than +26 dBm into 600 Ω
THD Less than 0.025% at 1,000 HzLess than 0.05% at 100 Hz
Frequency Response 20 Hz (+0.3 dB) to 20,000 Hz (-0.2 dB)
Channels 2
Noise Less than -100 dBm
Power Consumption Less than 200 mA at 24 VDC
Dimensions (W x D x H) 19.1 x 12.2 x 1.77" (48.5 x 31 x 4.5 cm)
Weight 7.3 lb (3.3 kg)
Maximum Gain Slightly greater than 80 dB
Connectors 2 x 1/4" DI input jacks 2 x balanced 3-Pin female gold-plated XLR microphone inputs 2 x balanced 3-Pin female gold-plated XLR line inputs 2 x balanced 3-Pin male gold-plated XLR outputs
Product Highlights
  • 1RU Module Fits 19" Rack
  • Two 80 dB Class A Microphone Preamps
  • Two 50 dB Class A Line Preamps
  • +48V Phantom Power
  • 20 dB Microphone Attenuation Pad
  • 18 dB per Octave 80 Hz High-Pass Filter
  • External Linear Power Supply Reduces EMF
  • 3 Gain Stage Modular Card Construction
  • Carnhill Input and Output Transformers
  • Marconi-Style Knobs and Engraved Buttons
In The Box
  • Heritage Audio DMA-73 Dual Microphone Preamplifier
  • Limited 1-Year Warranty
Still Have Questions?
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