Black Lion Audio B173 MKII Preamp

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Black Lion Audio B173 MKII Preamp

Black Lion Audio

B173 MKII Preamp

4.7 Expert Rating

Product Info

Article Number: 507875
Model: B173 MKII Preamp
Category: Preamps
Price: $581.90

* Prices may vary. Check retailer for current pricing and availability.

The B173 MKII nails that classic 1073 vibe, bringing a warmth and subtle saturation that's fantastic on vocals, bass, and even acoustic instruments. It’s a premium-priced option that delivers genuine character, making it a great choice for engineers and musicians chasing a vintage tone without the vintage price tag – especially those working in genres like soul, R&B, and classic rock.

Product Description

  • Black Lion Audio B173 MKII Preamp
  • 1-Channel Preamplifier
  • Classic 1073 preamplifier design
  • Half rack housing
  • Input and output transformer from Cinemag
  • Hi-Z input on the front side
  • Phase reversal and 18 dB pad switch
  • Stepped gain control
  • Up to 70 dB gain
  • Switchable 48 V phantom power
  • Variable output control
  • Inputs: 1x XLR (balanced)
  • 1x jack (unbalanced)
  • Output: 1x Jack (balanced)
  • External power supply
  • Height: 1 U
  • Width: 9.5" (rack mount possible)
  • Weight: 1.4 kg
PROS
  • • Cinemag transformers impart a lush, vintage warmth and harmonic richness.
  • • Hi-Z input is surprisingly useful for guitars, adding grit and character.
  • • Stepped gain control offers precise gain staging and recallability.
  • • Solid half-rack build feels robust and well-assembled for studio use.
CONS
  • • The external power supply adds clutter and potential noise issues.
  • • Limited to a single channel, requiring multiple units for stereo work.
  • • While versatile, it’s most suited to specific genres – not a do-everything preamp.

Product Video

Key Features

Channels 1
Preamp Type 1073-inspired Class A Discrete
Gain Range Up to 70 dB
Phantom Power 48 V
Connections 1x XLR (balanced), 1x Jack (unbalanced) Input; 1x Jack (balanced) Output
Weight 1.4 kg

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Frequently Asked Questions

Cinemag transformers are renowned for their smoother, more musical response compared to some cheaper alternatives, adding a more natural harmonic richness and a slightly more 'expensive' feel.
Absolutely; the precise, stepped gain allows for repeatable gain staging across multiple tracks, making mixing significantly easier and more consistent.
Yes, it adds a pleasing grit and a more vintage-inspired tone; it's not a direct replacement for a dedicated guitar amp, but a cool alternative for adding color.

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