AKG C451 B Reference Small-Diaphragm Condenser Microphone (B-Stock)


AKG C451 B Microphone for drums, percussion, acoustic guitars & overhead

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C451 B

Reference small-diaphragm condenser microphone

One for the road

for drums, percussion, acoustic guitar and strings

The C451 B is a small-diaphragm condenser microphone with the identical acoustical behavior of its predecessor, the legendary C451 EB + CK1 capsule, which was a bestseller right from the start in 1969.

With its airy sound, high overload limit and improved engineering details, the C451 B continues the success story of this legend. The roadworthy design around the handcrafted capsule and the low-noise preamp electronics ensure impressive results even under very harsh conditions.

Sound of the legendary C451 EB + CK1 capsule from 1969

  • delivers stunning sound quality with maximum accuracy

Established tour sound standard since the 1980s

  • for excellent sound quality even under harsh on-stage conditions

Impressive sound pressure level capability of 155dB SPL

  • allows close-miking of high-energy sound sources without distortion

Highly effective high-pass filter with 12dB/octave

  • prevents low-end distortion caused by rumble or wind noise

Transformerless preamp and surface mount technology

  • provides extremely low distortion, highest reliability and less weight

Technical Specification



  • General
    Audio Frequency bandwidth20 to 20000 Hz
    Sensitivity9 mV/Pa
    Equivalent Noise Level18 dB-A
    Signal to Noise76 dB-A
    Preattenuation Pad-10
    -20 dB
    Bass Cut Filter75
    150 Hz
    Electrical Impedance200 Ohms
    Recommended Load Impedance1000 Ohms

    Powering Interface
    Voltage9 to 52 V
    Current2 mA

    Audio Output
    TypeBalanced XLR

    Finishsatin nickel plated

    Dimensions /
    Height160 mm
    Diameter19 mm
    Net Weight125 g


Additional information

Additional information

Weight1.19 lbs


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