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AKG CK 91 capsule, cardioid for SE 300B power supply module
Flat frequency response and a consistent cardioid polar pattern make the CK 91 an ideal tool for applications where good off-axis rejection is required.
The AKG Blue Line Series consists of a family of directional prepolarized condenser capsules and microphone configurations that are all compatible with a single powering/output assembly. Because of the general popularity of the cardioid pattern, the CK 91 cardioid capsule and SE 300 B powering/output assembly are sold as a single unit, the AKG Model C 391 B microphone.
The remaining Blue Line capsules offer the following patterns: CK 92 (omnidirectional), CK 93 (hypercardioid), CK 94 (bidirectional), and CK 98 (shotgun capsule, high directivity). Three additional configurations are available: CK 97-O (omnidirectional lavalier), CK 97-C (cardioid lavalier), CK 97-CVR (cardioid gooseneck with bass roll-off).
The Blue Line Series is suitable for studio, live sound, and a variety of speech reinforcement applications, where the facility for switching capsules is a major advantage. The positive Modulock™ bayonet design allows these changes to be made quickly.
The Blue Line microphones exhibit accurate axial response and uniform pattern control. Self noise and maximum operating levels are exemplary, creating a very wide usable dynamic range for the most demanding operations.
The SE 300 B powering/ output assembly provides for 10 dB of attenuation for operation at high sound pressure levels, as well as a 12 dB/octave low cut below 75 Hz for close usage. A complete line of optional accessories is available including an extension cable for operating the microphone capsule up to 10 ft. (3 meters) from the powering/output module.
Specifications (CK91):
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 (CCIR 468-3): 28 dB
Equivalent noise level: 17 dB-A
Signal/noise ratio (A-weighted): 77 dB
Supply voltage: through SE 300 B
Current consumption: through SE 300 B
Connector: bayonet mount
Finish: dark gray
Dimensions: 19 dia. x 36/51 mm / 0.7 dia. x 1.4/2 in.
Net weight: 35 g / 1.2 oz.
Shipping weight: 200 g / 7.1 oz.
Foam windscreen included
Features:
Manufacturer:
AKG
Colour:
Gray
Microphone type:
True condenser
Polar Pattern:
Supercardioid
Receiver type:
Pressure gradient transducer
Frequency range:
20 Hz - 20 kHz
Maximum SPL in dB:
132
Sensitivity (mV/Pa @ 1kHz):
10
Input:
Anschlussstecker Bajonett
Width (mm):
19
Depth (mm):
51
Height (mm):
19
Weight (kg):
0.04
Capsule size:
Small
Mono or stereo:
Mono
Power supply:
11 to 52V
incl. Accessories:
Windschutz
Application Area:
Stage
AKG CK 91 Condenser Microphone Cap (modular), for SE 300 B