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AKG C451B Condenser Microphone

Condenser Microphone for Drums or Guitar

Dolphin id:1500 Product SKU:AKG0029

Call for availability: 0151 448 2080

AKG C 451 B Condenser Microphone - Integrated cardioid mic for drums and guitar. A classic by now, the CMS Series CK 1 capsule from AKG was a best seller from the moment it was launched in 1969. Comprising a range of interchangeable capsules and preamps as well as then innovative, dedicated accessories, the CMS Series from AKG quickly became a legend. It was discontinued in 1993.

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Responding to growing demand from recording engineers, AKG decided to produce the C 451 B with identical acoustical behaviour of the popular original C 451 EB + CK 1 microphone again, with dramatically improved specifications and outstanding price/performance.

The capsule of the new version is fixed permanently to the preamp to eliminate the mechanical problems of the screw joint. Using an extremely light diaphragm, the new C 451 B is almost totally insensitive to handling noise. An all-metal body provides excellent protection from RF interference and the microphone is rugged enough to give excellent results even under very harsh conditions.

The C 451 B is an excellent tool for accurately capturing signals rich in transients such as drums, overhead miking, or other instruments with a percussive sound. The airy sound, high overload limit of the capsule and electronic circuitry, and improved engineering details of the C 451 B are a solid foundation for creating another legend.

AKG C 451 B Condenser Microphone Features:

  • Identical acoustics of the legendary CK 1.
  • Rugged construction.
  • Ruler-flat on-axis frequency response.
  • Precise, nearly frequency independent cardioid.
  • Extremely accurate signal transfer.
  • Transformerless output stage for minimum distortion at low frequencies.
  • Protected against electrostatic and magnetic interference.
  • Selectable 10-dB and 20-dB preattenuation pads.
  • Switchable highpass filter (75 Hz or 150 Hz, 12dB/octave).
  • Operates on phantom power to DIN/IEC between 12 V and 48 V.
  • Complete with SA 40 stand adapter and W 90 windscreen.
  • Each microphone comes with its own individual frequency response plot.
  • Also available as matched stereo pair (C 451 B/ST) including stereo bar H 50.


  • Frequency Range: 20 to 20,000 Hz ±1.5 dB from published
  • Polar Pattern: Cardioid
  • Preattenuation: switchable to 0 dB, -10 dB, -20 dB
  • Highpass Filter: switchable to flat, 12 dB/octave at 75 Hz
    or 150 Hz
  • Sensitivity: 9 mV/Pa (-41 dBV re 1 V/Pa)
  • Impedance: <200 ohms
  • Recommended Load Impedance: >1000 ohms
  • Equivalent Noise Level to DIN 45 412 (A-Weighted): 18 dB-A
  • Dynamic Range: 117 dB max. (A-weighted)
  • Maximum SPL for 0.5% THD: 112 Pa (135 dB SPL) with 0 dB preattenuation*), 355 Pa (145 dB SPL) with 10 dB preattenuation) 1120 Pa (155 dB SPL) with 20 dB preattenuation)
  • Power Requirement: 9 to 52 V phantom power to DIN/IEC 45 596
  • Current Consumption: <2 mA
  • Operating Temperature: -20°C to +60°C
  • Relative Humidity: 99% (+20°C); 95% (+60°C)
  • Connector: 3-pin male XLR
  • Finish: Satin Nickel-plated
  • Size: 19 mm (0.75 in.); length: 160 mm (6.3 in.)
  • Net/Shipping Weight: 125 g (4.4 oz.) / 760 g (1.7 lbs.)

£ 289.00 Web price, inc VAT

Ex Vat:
£240.83, VAT at 20.00%

£ 377.86
x £ payments + £ deposit
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AKG C451B Condenser Microphone Reviews


akg c451b

*I only rate it 9 out of 10 because I'm sure there is a better mic out there- it'd cost thousands though.

I have bought this with the intention to record acoustic guitar. For this purpose it is brilliant- giving a true and absolute sound. Having worked with similar microphones before, including the Neumann KM185 and others around the £500 ($900), I can find very little difference in quality considering the massive price difference. You would have to spend close to £1000 or above to get a microphone that is noticeably better. It is really good for a microphone where price is a factor and delivers very-near top quality performance for acoustic guitar. Don't waste your money on a more expensive one unless you're a millionare. For it's second function, recording hi hats and other cymbals, it performed pretty well. I can't complain at all. It can get quite close to the cymbal without distorting as well. I can't see much call for a better microphone. My behringer xenyx 802 doesn't have the best pre-amps and it still sounds awesome. I couldn't be happier with this microphone. For every reason- price, quality of build, sound performance, versatility... it's awesome.

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