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User Guide
KSM42
www.shure.com
N108
© 2010 Shure Incorporated Printed in U.S.A.
27A13708 (Rev. 2)
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SHURE INCORPORATED KSM42 CARDIOID CONDENSER MICROPHONE Thank you for selecting the KSM42. Over 85 years of audio experience has contributed to making this one of the finest microphones available. If you have any questions not answered in this guide, please contact Shure Applications Engineering at 847-600-8440, Monday through Friday, from 8:00 am to 4:30 pm, CST. In Europe, call 49-7131-72140. Our web address is www.shure.com. 3
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General Description This premium side-address, cardioid condenser microphone features a large dual-diaphragm optimized for world-class vocal recording and performance applications. With a tailored frequency response and extensive internal and external pop filtering, the single-pattern, dual-diaphragm design of the KSM42 exhibits an exceptionally smooth frequency response and ultra-wide dynamic range. The KSM42 is the premier choice for capturing sophisticated and intimate vocal performances.
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Features • Highly consistent cardioid polar pattern creates a broad “sweet spot” and natural off-axis response ® • Dual-diaphragm design with an active front, ultra thin (2.5 micron) 24-karat gold, low mass, 1-inch Mylar diaphragm • Passive back diaphragm delivers exceptional control of low frequency proximity effect • Tailored low-frequency roll-off minimizes low frequency room noise • Integrated three-stage mesh grille guards against wind and breath noise—magnetic pop filter attachment
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OPERATION Power Requirements This microphone requires phantom power and performs best with a 48 Vdc supply (IEC-268-15/DIN 45 596). However, it will operate with slightly decreased headroom and sensitivity with supplies as low as 11 Vdc. Most modern mixers provide phantom power. You must use a balanced microphone cable: XLR-to-XLR or XLR-to-TRS. Suspension Mount ® Use the supplied ShureLock rubber suspension mount to secure the microphone to a floor or boom stand. Important: Thread the knu
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Pop Filter An integrated three-stage mesh grille guards against wind and breath noise. Use the included pop filter accessory for additional protection against breath and “plosive” noises. The pop filter magnetically attaches to the front of the shockmount ring. Reduction of Proximity Effect To counter proximity effect, the KSM42 uses two diaphragms, one active and one passive, to create an acoustic phase shift at the rear of the microphone. This produces a broad “sweet spot” of uniform low- f
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SPECIFICATIONS Transducer Type Dual-Diaphragm, Front-Active, Externally Biased Condenser Frequency Response 60 to 20,000Hz Polar Pattern Cardioid Output Impedance 147 Ω Sensitivity −37 dBV/Pa (14.1 mV) (at 1 kHz, open circuit voltage) 1 Pascal=94 dB SPL Maximum SPL 1000 Ω load: 139 dB (1 kHz at 1% THD) 2500 Ω load: 139 dB THD of microphone preamplifier when applied input signal is equiva- lent to cartridge output at specified SPL Signal-to-Noise Ratio 86 dB (referenced at 94 dB SPL at 1 S
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ACCESSORIES AND PARTS Furnished Accessories Magnetic Pop Filter A42PF ® ShureLock Rubber Suspension Shock Mount A42SM Aluminum Carrying Case A42SC Protective Velveteen Pouch A42VB Suspension Mount O-rings (4) A42OR Optional Accessories Windscreen A32WS Padded, Zippered Carrying Bag A32ZB Swivel Stand Mount A32M Replacement Parts Suspension Mount O-rings (4) A42OR CERTIFICATION Eligible to bear CE Marking. Conforms to European EMC Directive 2004/108/EC. Meets Harmonized Standards EN55103-1:1996
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20 15 10 5 0 -5 -10 -15 -20 -30 -35 20 100 1k 10k 20k Hz TYPICAL FREQUENCY RESPONSE COURBE DE REPONSE TYPIQUE - TYPISCHES FREQUENZVERHALTEN - RESPUESTA DE FRECUENCIA TIPICA TIPICA RISPOSTA IN FREQUENZA - 周波数特性 180° 180° 150° 150° 150° 150° 120° 120° 120° 120° 90° 90° 90° 90° –20 dB –20 dB –15 dB –15 dB –10 dB –10 dB 60° 60° 60° 60° –5 dB –5 dB 30° 30° 30° 30° +5 dB +5 dB 250 Hz 2500 Hz 500 Hz 6400 Hz 1000 Hz 10000 Hz TYPICAL POLAR PATTERNS COURBE DE DIRECTIVITE TYPIQUES - TYPISCHE POLARCHA
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Trademark Notices: The circular S logo, the stylized Shure logo, the word “Shure,” and “ShureLock” are registered trademarks of Shure Incorporated in the United States. “Popper Stopper” is a trademark of Shure Incorporated in the United States. “Mylar” is a registered trademark of E.I. DuPont de Nemours and Company in the United States. These marks may be registered in other jurisdictions. Patent Notice: Pat. D447,131 SHURE Incorporated http://www.shure.com SHURE Incorporated http://www.s
