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Neumann AK 43 Microphone Capsule (Wide Cardioid)

  • Product Highlights
  • Wide Cardioid Polar Pattern
  • Modular Design
  • Use with KM100 & KM100F
No Longer Available
This item has either been discontinued by the manufacturer or is no longer available to purchase on our website.

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(800) 771-8330
  • Product Highlights
  • Wide Cardioid Polar Pattern
  • Modular Design
  • Use with KM100 & KM100F

Wide Cardioid Miniature Microphone Capsule Head


The Neumann AK 43 microphone capsule is part of the KM 100 miniature series microphone systems. The AK 43 element features a pressure gradient, single diaphragm transducer with a wide-angle cardioid polar pattern.

Attenuation at 90 degrees is 4dB, at 135 degrees it is 8dB and at 180 degrees it is 11dB. The wide-angled cardioid pattern offers a more generous pick up area then conventional cardioid microphones, making it suitable for ambiance recording, vocal recording, stereo miking as well as close miking of instruments.


  • Wide-Angled Cardioid Polar Pattern
    The pressure gradient element provides a wide-angled cardioid pattern. Attenuation at 90 degrees is 4dB, at 135 degrees it is 8dB and at 180 degrees it is 11dB.
  • Modular Design
    The capsule is developed for use with the KM100 and KM100F modular power supplies.


  • Transducer: Pressure Gradient Condenser
  • Polar Pattern: Wide-Angle Cardioid
  • Frequency Response: 20 Hz - 20 kHz
  • Dynamic Range (Typical): 122 dB
  • Signal-to-Noise Ratio:
    69 dB Related at 1 Pa at 1 kHz (CCIR dB)
    78 dB Related at 1 Pa at 1 kHz (A-Weighted dB)
  • Maximum Input Sound Level:
    138 dB Less than 0.5% THD (without Preattenuation)
    148 dB Less than 0.5% THD (with Preattenuation)
  • Power Requirements: Phantom +48v (KM 100 Power Supply)
  • Output Impedance: 50 Ohms
  • Output Connectors: XLR-3 Type (KM 100 Power Supply)
  • Pad: Yes, -10 dB Preattenuation
  • Low Frequency Roll-Off: Use KM 100F Power Supply
  • Dimensions (LxDiameter): 3.68 x 0.88" (92 x 22mm)
  • Weight: 2.82 oz. (80 g)

Q & A

AK 43
MFR Part Number
Product Category
Microphone Accessories
Unit of Measure
Shipping Weight
0.50 lbs.
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