Black Lion Audio 500 Series B173 Preamplifier

Black Lion Audio 500 Series B173 Preamplifier

Black Lion Audio 500 Series B173 Preamplifier

B&H # BLB173500 MFR # B173-500
Black Lion Audio 500 Series B173 Preamplifier

Black Lion Audio 500 Series B173 Preamplifier

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Expected availability: 7-14 business days

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You Pay: $399.00

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Black Lion Audio B173 overview

  • 1Description

The Black Lion Audio 500 Series B173 Preamplifier features the Cinemag input and Edcor output transformers. The +24V rail needed to power the B173 500 is converted from the +/- 16V rails of a 500 series rack using a custom DC-DC converter circuit specially designed to keep any unwanted noise or modulations out of the signal path. Complete isolation is then achieved through the use of inductors, ferrite beads, decoupling capacitors, power regulation, and a custom enclosure surrounding the entire circuit.

500 series format (500 series rack required for use)
Cinemag input transformer
Edcor output transformer
80 dB Gain
Hi-Z input (passive, unbalanced)
Phantom power
Phase switch
Output attenuator
In the Box
Black Lion Audio 500 Series B173 Preamplifier
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    Black Lion Audio B173 specs

    Microphone Input Level +1 dBu
    Input Impedance 200 Ohms
    Gain +12 to +80 dB
    Equivalent Input Noise Noise Floor: -103 dB
    THD+N 0.072% @ +8 dBu gain
    0.074% @ +29 dBu gain
    0.082% @ +44 dBu gain
    0.152% @ +60 dBu gain
    0.709% @ +76 dBu gain
    Bandwidth (1 kHz, 150 Ohms source, Unweighted): 10 Hz to 30 kHz
    Hi-Z THD+N
    @ +4 dBu Output: 0.0045% @ +10 dBu, 0.0076% @ +15 dBu
    Output Max Output Level: +29 dBu
    Output Impedance: 600 Ohms
    Power Supply +24 V provided by ultra-low noise, custom power supply (500 series rack required)
    Dimensions 1.5 x 6.5 x 5.25" (38.1 x 165.1 x 133.35 mm)
    Weight 1.2 lb (0.54 kg)

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