B12A MKII 500 Mic Pre
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  • Black Lion Audio B12A Mark 2 500 Mic Pre Front
  • Black Lion Audio B12A Mark 2 500 Mic Pre Mid
  • Black Lion Audio B12A Mark 2 500 Mic Pre Side

B12A MKII 500 Mic Pre

The B12A MKII 500 packs the same punch as its 1⁄2 rack cousin, but in the convenient and flexible 500 series format. The API®-style design features a delicious Cinemag input transformer, serves up huge portions of low-noise gain, and has the same classic American rock sound that the original API® 312A is known for! Get ready to fill your lunchbox®, ‘cause once you go Black Lion Audio, you never go back!

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SKU: B12A MKII 500 Categories: ,
000

FRONT

  1. GAIN: clockwise rotation yields an increase in output signal amplitude, counterclockwise rotation yields a decrease in output signal amplitude
  2. 48V: engage to turn phantom power on, disengage to turn phantom power off
  3. PHASE (Ø): engage to adjust input signal polarity by 180°, disengage to leave input signal polarity unchanged
  4. PAD: engage to reduce input signal amplitude by 18dBu, disengage to leave input signal amplitude unchanged
  5. Hi-Z: engage to use front panel Hi-Z IN as preamp source, disengage to use 500 series rack’s XLR input as preamp source
  6. Hi-Z IN: input jack for use with high impedance, unbalanced sources (GAIN knob adjusts signal amplitude)

FEATURES

  • 500 Series format (lunchbox® required)
  • Cinemag Input Transformer
  • Edcor Output Transformer
  • 70dB Gain
  • Hi-Z Input (passive, unbalanced)
  • Phantom Power
  • 18dB Pad
  • Phase Switch

SPECS

Mic Section

  • Max Microphone Input Level: +1dBu
  • Input Impedance: 200Ω
  • Pad: 18dB
  • Gain (no pad): +26dB to +70dB
  • Equivalent Input Noise (noise floor): -120dBu
  • THD+N (@ +4dBu output):
    • .010% @ +22 dBu
    • .010% @ +36 dBu
    • .041% @ +56 dBu
    • .122% @ +66 dBu
  • Bandwidth (1kHz, 150Ω source, unweighted): 10Hz to 30kHz

D.I. Section

  • Max D.I. Input Level: +18dBu
  • Input Impedance: 1.1MΩ
  • Pad: none
  • Gain: +10dB to +53dB
  • Equivalent Input Noise (noise floor): -94dB
  • THD+N (@ +4dBu output):
  • .009% @ +10 dBu
  • .115% @ +36 dBu
  • Bandwidth (1kHz, 600Ω unbalanced source, unweighted): 10Hz to 30kHz

Output Section

  • Max Output Level: +28dBu
  • Output Impedance: 600Ω

Power Supply

  • +/- 15v (lunchbox® supply)

Product Dimensions

  • 1.5” x 6.5” x 5.25”

Product Weight

  • .8 lbs

Shipping Dimensions

  • 13” x 13” x 5”

Shipping Weight

  • 3 lbs

“[The B12A] doesn’t tend to color the sound, just gives more. It really excels at warming up sterile sonics.”  

Performer Mag

Additional Information

Weight 3 lbs
Dimensions 13 x 13 x 5 in

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