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Anleitung AKG Acoustics, modell C 451B

Hersteller: AKG Acoustics
Dateigröße: 558.64 kb
Dateiname: e2026335-ff11-8f54-c100-96df499af41d.pdf
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Anleitung Zusammenfassung


The acoustics of the original cardioid capsule, CK 1, are modeled and matched in the current version, producing the unique overall rising frequency characteristics. The rise is no more than 3 dB and is broadly centered around 12 kHz. Its transformerless preamp uses surface mount technology and, therefore is lighter, yet more rugged than its predecessor. Switchable 10 and 20 dB pads are now integrated. Maximum sound pressure levels in the range of 155 dB (in the 20 dB sensitivity position) can be attained with no greater than 0.5% distortion. A selectable low frequency, or bass roll-off option, provides 12 dB per octave attenuation below 75 or 150 Hz. The C 451 B, like its predecessor, is most commonly used in studio and tour sound applications such as micing choirs, drums, percussion and acoustic guitars. It is available as a single piece or in computer matched stereo pairs, and operates on all phantom voltages between 9 and 52 volts. The SA 40 stand adapter and W 90 windscreen are included as standard accessories. Specifications Transducer type: condenser Frequency response: 20 Hz to 20 kHz Sensitivity at 1 kHz: 9 mV/Pa (-41 dBV) Self noise level: 18 dB-A Dynamic range: 117 dB Polar pattern: cardioid Impedance: 200 ohms Load impedance: >1000 ohms Switchable pad: -10 and –20 dB Sound pressure level for 0.5% THD: 135 dB SPL (unpadded) 145 dB SPL (-10 dB pad) 155 dB SPL (-20 dB pad) LF roll-off: 12 dB/octave at 75 and 150 Hz Power requirement: Phantom powering, 9 to 52 Vdc Output connector: 3-pin XLR-M Finish: Satin nickel Size: .75 inches diameter (19 mm) 6.3 inches length (160 mm) Net/shipping weight: 4.4 oz. (125 g)/1.7 lbs. (760 g) Included accessories: SA 40 stand adapter W 90 foam windscreen padded carrying case H 50 stereo bar (stereo pair only) Features • Ultra-smooth response with slight rising on-axis frequency characteristic • High front-to-back rejection ratio • Transformerless output for low distortion at high operating levels • 10 and 20 dB pad • Switchable 12-dB roll-off at 75 or 150 Hz Architects and Engineers Specifications The microphone shall have a cardioid pattern. The microphone’s integral to the microphone. The microphone shall operate with sensitivity shall be no less than 9 mV/Pa. At an operating level of phantom power over the range from 9 Vdc to 52 Vdc. The 135 dB SPL the microphone’s total harmonic distortion shall be no diameter of the microphone shall be no greater than greater than 0.5%. The microphone’s self noise level shall be no .75 inches (19 mm), and the body length shall be no longer than higher than 18 dB-A. Output padding switchable at –10 and –20 6.3 inches (160 mm). The net weight of the microphone shall be no dB shall be integral to the microphone. Low frequency attenuation greater than 4.4 ounces (125 g). The microphone shall be the AKG at 12 dB/octave commencing at either 150 or 75 Hz shall be Acoustics Model C 451 B. AKG is constantly improving and modifying therefore, specifications are subject to chan...


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