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AKG C391B Blue Line Condenser Microphone

Product Code AKC391B
Manufacturer AKG

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  • Switchable bass cut filter and 10-dB preattenuation pad
  • Insensitive to handling noise
  • High resistance to RF interference
  • Capsules mount directly on SE 300 B powering unit

Versatile cardioid condenser microphone comprising an SE 300 B powering/output module and CK 91 cardioid capsule, foam windscreen, and stand adapter.

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  • Polar pattern: cardioid
  • Frequency range: 20 to 20,000 Hz
  • Sensitivity: 10 mV/Pa (-40 dBV)
  • Max. SPL: 132/142 dB (for 1% THD)
  • Equivalent noise level (IEC 60268-4): 28 dB
  • Equivalent noise level (IEC 60268-4, A-weighted): 17 dB-A
  • Signal/noise ratio (A-weighted): 77 dB
  • Preattenuation pad: 10 dB, switchable
  • Bass filter: 12 dB/octave at 75 Hz
  • Impedance: 200 ohms
  • Recommended load impedance: >1000 ohms
  • Supply voltage: 9 to 52 V phantom power to DIN 45596
  • Powering: <2 mA
  • Connector: 3-pin XLR
  • Finish: dark gray
  • Net weight: 115g / 4oz.
  • Shipping weight: 420g / 14.8oz.

Modular studio condenser microphone system including a cardioid capsule. Its application range shall include lecterns, places of worship, live recording, instrument miking, and recording. Frequency range: 20-20,000 Hz; sensitivity at 1 kHz: 10 mV/Pa; electrical impedance: 200 ohms; maximum SPL: 132/142 dB SPL for 1% T.H.D.; signal-to-noise ratio: 77 dB-A; switchable preattenuation pad: 10 dB; switchable filter: 12 dB/octave below 75 Hz. The microphone shall be capable of operating on phantom power at any voltage between 9 and 52 V, drawing a current of 2 mA. The case shall be 19 mm in diameter and 146 mm long. The surface shall be matte grey and the maximum net weight of the microphone system shall be 115 g (4 oz.).

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