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The matched pairs consist of two microphones that are within 1 dB to each other in sensitivity and also within 1 dB to each other in the range of 200 Hz to 15,000 Hz.
At a glance
- 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.
Precise artistic work deserves precise artistic craftsmanship. 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.
The matched pairs consist of two microphones that are within 1 dB to each other in sensitivity and also within 1 dB to each other in the range of 200 Hz to 15,000 Hz of the individual frequency response when used in cardioid mode and are selected from a large quantity of individual microphones using the described criteria by using a proprietary computer program.
Using this matched pair for stereo recordings utilizing various techniques will provide for a good and stable balance without frequency-dependent shifting of the stereo panorama.
The kit includes all the standard accessories of the individual package along with a stereo bar and proof of performance charts in an attractive carrying case (Soundtool case, middle size).
Specifications:
- Polar pattern: Cardioid
- Frequency range: 20 to 20,000 Hz
- Sensitivity: 9 mV/Pa (-41 dBV)
- Max. SPL: 135/145/155 dB (0/-10/-20 dB) (k=0,5%)
- Equivalent noise level (CCIR 468-3): 29 dB
- Equivalent noise level: 18 dB-A
- Signal/noise ratio (A-weighted): 76 dB
- Preattenuation pad: 0 dB, 10 dB, 20 dB selectable
- Bass filter: Flat, 12 dB/octave at 75 or 150 Hz, selectable
- Impedance: <200 ohms
- Recommended load impedance: >1000 ohms
- Supply voltage: 9 to 52 V phantom power to DIN 45596
- Current consumption: <2 mA
- Connector: 3-pin XLR
- Finish: Satin nickel plated
- Dimensions: 19 dia. x 160 mm / 0.75 dia. x 6.3 in.
- Net weight: 125 g / 4.4 oz.
- Shipping weight: 760 g / 1.7 lbs.