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  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)

Black Lion Audio B12A MK2 500

BL-B12AMK2500
£0.00 £439.00 inc. VAT
£365.83 exc. VAT
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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!


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
Specifications
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
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
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

Download the B12A MKII 500 Manual

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