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Manafacture: AKG Acoustics File size: 666.67 kb File name: Language of manual:

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. Condenser Microphones Features • Multiple directional capsules and configurations available on a standard powering/output module • Positive-action Modulock™ bayonet capsule mounting system • Capsule designs employ gold sputtered diaphragms • High sensitivity • High acoustic level capability Graphical Data On-axis Frequency Response (measured at 1 meter) CK 91 CK 92 CK 93 CK 94 Polar Response On-axis Frequency Response (measured at 1 meter) Polar Response On-axis Frequency Response (measured at 1 meter) Polar Response On-axis Frequency Response (measured at 1 meter) Polar Response Specifications Models: C 391 B CK 92 CK 93 CK 94 CK 97-0 CK 97-C CK 97-CVR CK 98 Transducer Principle: All models prepolarized condenser capsules. Frequency Range 20–20,000 Hz 20–20,000 Hz 20–20,000 Hz 20–20,000 Hz 20–18,000 Hz 150–18,000 Hz 150–18,000 Hz 20–20,000 Hz Polar Pattern: Cardioid Omnidirectional Hypercardioid Bidirectional Omnidirectional Cardiod Cardiod Directional Sensitivity at 1,000 Hz: 10 mV/Pa 10 mV/Pa 10 mV/Pa 10 mV/Pa 10 mV/Pa 12 mV/Pa 12 mV/Pa 25 mV/Pa (-40 dBV) (-40 dBV) (-40 dBV) (-40 dBV) (-40 dBV) (-38 dBV) (-38 dBV) (-32 dBV) Equivalent Noise Level: 17 dB-A 17 dB-A 17 dB-A 22 dB-A 24 dB-A 26 dB-A 26 dB-A 17 dB-A SPL for 1% THD: 132 dB 132 dB 132 dB 132 dB 120 dB 120 dB 120 dB 124 dB S/N Ratio (A-weighted): 77 dB 77 dB 77 dB 72 dB 70 dB 68 dB 68 dB 77 dB Electr. Impedance: < 200 ohms Load Impedance: > 1,000 ohms Power Requirement: 9 to 52 Vdc phantom powering for SE300B Connector: All models XLR male output when connected to SE300B Cable Length: – – – ...

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