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The Black Audio B173 is a single channel mic pre-amp with input and output transformers, stepped gain, output level control, phantom power, and phase. Its a homage to the Neve 1073

This is not only a serious contender for the most "bang for your buck" preamp in existence, but sonically stands on its own at any price point. Our goal was to capture the essence of the original Neve 1073 at a price anyone can afford, and we're proud to say that we've accomplished our goal! Give the B173 a try and prepare to be blown away!


  • Based on the Neve 1073 Preamplifier
  • Discrete Class A Circuit Design
  • Input and Output Transformers
  • 12-Step Gain Control
  • +12 to +80 dB Gain
  • Output Level Control
  • Microphone/DI Input Switch
  • Phantom Power
  • 1RU 1/2 Rack Chassis
  • Specifications

  • I/O:
  • 1x XLR-3F balanced microphone input
  • 1x 1/4" DI input
  • 1x 1/4" output
  • Control: Gain knob in 12-steps
  • Gain Range: +12 to +80 dB max gain
  • THD + N:
  • at 12 dB gain: 0.07%
  • at 62 dB gain: 0.14%
  • Power Requirements: 24 VDC at 15 W
  • Warm-Up Time: 2 to 3 minutes
  • Rack Mount: 1RU x 1/2
  • Dimensions (W x H): 9.5 x 1.75" (24 x 4.4 cm)
  • Weight: Not specified by the manufacturer
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