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Black Lion Audio Releases 500 Series B12A MKII Microphone Preamp


Black Lion Audio, an independently owned hardware manufacturer, today announced the release of the B12A MKII 500, an API®-style single channel microphone preamp just like the popular B12A MKII ½ rack unit, but in the convenient and flexible 500 series format. All Black Lion Audio products are designed and manufactured in Chicago, Illinois.

Already known for that classic API® American rock sound, the MKII version features an upgraded input transformer, higher gain, and lower noise than the original B12A. It also features an output transformer, a Hi-Z input, phantom power, pad, and phase.

“The original B12A was very popular, but we were continually being asked by customers to modify them for more gain,” commented Nate Bierdeman, Director of Marketing for Black Lion Audio. “So we created the MKII with higher gain and lower noise. This revision also gave us the opportunity to integrate a nicer input transformer, and has resulted in an incredible-sounding preamp with lots of API®-style gain. Now it’s available in the popular 500 series format.”

The B12A MKII 500 is available at Black Lion Audio dealers worldwide immediately for a MAP of US $599.
Full B12A MKII 500 specifications:

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

Mic Section
• Max Microphone Input Level: +1dBu
• Input Impedance: 200Ω
• Pad: 18dB
• Gain (no pad): +26dB to +70dB
• Equivalent Input Noise (noise floor): -120dB
• THD+N:
• .01% @ +26dB Gain
• .011% @ +40dB Gain
• .049% @ +60dB Gain
• .15% @ +70dB Gain
• Bandwidth (1kHz, 150Ω source,
unweighted): 10Hz to 30kHz
D.I. Section
• Max D.I. Input Level: +18dBu
• Input Impedance: 500kΩ
• Pad: none
• Gain: +10dB to +53dB
• Equivalent Input Noise (noise floor): -94dB
• THD+N:
• .008% @ +10dB Gain
• .01% @ +25dB Gain
• .03% @ +40dB Gain
• .15% @ +53dB Gain
• 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 11” x 5”
Shipping Weight
• 1.8 lbs


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