Black Lion Audio B173 Quad | 4-Channel British Style Preamp


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  • 4-channel British-style preamp
  • 4x XLR + 2x TS Inputs
  • 4x XLR + 4x TRS Output
  • +48V, polarity reversal

Produkt vergleichenGTIN: 713541493490 SKU: A70065 Categories: ,

Black Lion Audio’s B173 Quad packs a mighty punch, delivering the muscular bass, assertive midrange, and lustrous treble characteristic of a classic 1073 in an affordable 2U unit. The B173 Quad features high-end components and discrete Class A circuitry with transformer-coupled input and output stages. With up to 70dB of gain, the B173 Quad offers a large portion of low-noise headroom.

  • 4-channel 1073-style preamp
  • XLR and Hi-Z input
  • TRS Output
  • THD+N (@ +4dBu Output): 0.06% @ +70dBu Gain (Mic)
  • THD+N (@ +4dBu Output): 0.03% @ +25dBu Gain (D.I.)
  • Cinemag input stage
  • 10Hz-30kHz bandwidth
  • 12-70dB input gain
  • 2U 19″

Mic Preamp

The B173 Quad is a 4-channel version of the legendary single-channel model. More than just another 1073 clone, it combines the sound of the old model with modern features in a rugged 2U chassis. A revised gain stage and lower noise floor provide a cleaner sound with less distortion, while Cinemag input and output transformers deliver a warm, creamy and powerful sound. Two front-panel DIs add harmonic richness to guitars, basses, and synthesizers. In addition, the detented input gain and variable output attenuation provides precise control over transformer saturation.

Weight 4,7 kg
Dimensions 63,5 × 26,5 × 17 cm


Number of analog inputs


Number of analog outputs





sym. Jack, unsym. Jack, XLR



Einheiten (HE)



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