Heritage Audio DMA-73 Dual Microphone Preamplifier
Model: DMA73
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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 |
- 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
- Heritage Audio DMA-73 Dual Microphone Preamplifier
- Limited 1-Year Warranty