Black Lion Audio B173 Microphone Preamp

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Product Code: 9999-15386
Black Lion Audio B173
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Black Lion Audio B173 Microphone Preamp

The Black Lion Audio B173 Microphone Preamp is a homage to the highly revered Neve 1073 microphone preamp. But don't let the price tag fool you! This is not only a serious contender for the most “bang for your buck” preamp in existence, but sonically the B173 stands on its own at any price point.

The Black Lion Audio B173 is a single channel mic preamp with input and output transformers, stepped gain, output level control, phantom power, and phase. It features a DI, 80dB of gain, and is housed in a 1U, 1/2 rack chassis. Designed and built in Chicago, IL. Black Lion Audio's goal was to capture the essence of the original 1073 at a price anyone can afford, and they are proud to say that they have accomplished their goal! Tape Op gave it a run, and couldn’t agree more. Give the B173 a try and prepare to be blown away!

Black Lion Audio B173 Signal Path
The Mic Gain features a 12-position, stepped switch ranging from +12dB minimum gain to +80dB max gain. The majority of the gain for the microphone section comes from the mic ampstage. The signal passes through a transformer input stage before going into the active mic amp circuit, which is controlled by the rotary switch on the front panel. The signal then passes to the DI switch where you can select which input signal will go to the output amp (either DI or XLR input). The output level knob controls the output amp before going through the output transformer.

Black Lion Audio B173 Microphone Preamp Features

  • Cinemag Input Transformer
  • Edcor Output Transformer
  • 80dB Gain
  • D.I. Input (active, unbalanced)
  • Phantom Power
  • Phase Switch
  • Output Attenuator
  • XLR Microphone Input
  • TRS Line Output (balanced)
  • Warranty: 2 Years

Black Lion Audio B173 Microphone Preamp Specifications

  • Noise Floor: 105dBu
  • Dynamic range: 112dBu
  • Gain Range: Mic +12dB to +80dB, DI -inf to +24dB
  • DI input impedance: 1 Megohm
  • Mic input impedance: 150 ohms
  • Mic at minimum gain: .2% THD+N
  • Mic at 50dB of gain: .16% THD+N
  • DI at unity: .02% THD+N

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