AKG C451B
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.
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.
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.
Specifications:
- Frequency Range: 20 to 20,000 Hz ±1.5 dB from published
curve
- 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.)
Inta Audio recommends the AKG C451B by AKG
The AKG C451B offers great value for money, features, build quality and reliability.
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