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Avedis Audio MD7 Microphone Preamplifier

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Quick Overview

MD7 Microphone Preamplifier


  • Gain range from 0dB – 64dB in 4dB steps for recall-ability
  • Input Trim control for fine control of gain
  • Utilizes the discrete 1122 op-amp known for depth and resolution
  • All discrete design with class A buffer amplifier
  • Wide bandwidth, high headroom, low noise
  • NO PAD, NO IC’s, and NO Surface Mount Components
  • Line Input to interface with DAW’s
  • Phase reverse, and filtered 48V phantom power
  • High Pass Filter using a gentle slope for natural bass roll-off
  • 10 Meg-ohm high impedance DI input great for all instrument pickups
  • SEND feature to run signal through stomp boxes for variety of effects


Frequency Response<10Hz to -3dB at 75kHz
Input Impedance≅1500 ohms
Output Impedance<75 ohms
Common Mode Rejection Ratio>123dB min @ 60Hz
Maximum Output Level+28.8 dBu @ 100KΩ, +27.4 dBu @ 600Ω
Power Requirements±16 vdc @ 35mA per rail
Gain Voltage0 to 22 Volts
Gain dB0 to 64.7 dB
Equivalent Input Noise−114 dBu; Unweighted 300kHz bandwidth
Weight2.6 lbs / 1.18kg