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KSM109
User Guide
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SHURE INCORPORATED KSM109 CARDIOID CONDENSER MICROPHONE Thank you for selecting the KSM109 Over 75 years of audio experience has contributed to making the KSM109 one of the finest microphones available. If you have any questions not answered in this booklet, please contact Shure Applications Engineering at 847-866-2525, 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. 1
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0/15 dB Attenuation Switch FIGURE 1. THE KSM109 GENERAL DESCRIPTION The Shure KSM109 is an end-address condenser microphone with a cardioid polar pattern. Designed for studio use, yet rugged enough for live applications, the KSM109 delivers a clear reproduction of the origninal sound source. Its extended frequency response makes it ideal for recording musical instruments. FEATURES Cardioid polar pattern to reduce the pickup of unwanted sounds Ultra-thin, 2.5 m, 24 karat gold-layered, lo
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PERFORMANCE CHARACTERISTICS Extended frequency response Low self-noise Can withstand high sound pressure levels (SPLs) High output level No crossover distortion Uniform polar response Superior common mode rejection and suppression of RFI (radio frequency interference) APPLICATIONS The KSM109 will produce superior results in any application requiring a high quality microphone. Typical applications include: Close miking of acoustic instruments such as piano, guitar, violins
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USING THE KSM109 Mounting the Microphone To secure the KSM109 to a floor stand or boom, thread the mount onto the microphone stand and insert the microphone into the mount. Power Requirements The KSM109 requires phantom power and performs best with a 48 Vdc supply (IEC-268-15/DIN 45 596). It can operate on voltages as low as 11 Vdc, but headroom and sensitivity will be decreased slightly. Note: Most modern mixers provide phantom power. Cable Connections Use a cable with XLR connectors at each en
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SPECIFICATIONS Cartridge Type Permanently Biased Condenser Frequency Response 20–20,000 Hz (see Figure 2) Directional Polar Pattern Cardioid (see Figure 3) Output Impedance 150 Ω (actual) Attenuation Switch 0 dB or 15 dB attenuation Phantom Power 48 Vdc± 4 Vdc (IEC–268–15/DIN 45 596), positive pins 2 and 3 Current Drain 5.2 mA typical at 48 Vdc Common Mode Rejection ≥ 50 dB, 20 Hz to 20 kHz Polarity Positive pressure on diaphragm produces positive voltage on output pin 2 relative to pin
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FIGURE 2. TYPICAL FREQUENCY RESPONSE FIGURE 3. TYPICAL POLAR PATTERNS 24 mm (0.950 IN) 162 mm (6.375 IN) FIGURE 4. DIMENSIONS 6
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CERTIFICATION Eligible to bear CE Marking; Conforms to European EMC directive 89/336/EEC. Meets applicable tests and performance criteria found in European Professional Audio Products EMC Standard EN 55103 (1996); Part 1 (Emissions) and Part 2 (Immunity). The KSM109 is intended for use in environments E1 (residential) and E2 (Light Industrial) as defined in European standard EN 55103. EMC conformance is based on the use of shielded interconnecting cable. FURNISHED ACCESSORIES Vinyl Pouch
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Trademark Notices: The circular S logo, the stylized Shure logo, and the word “Shure” are registered trademarks of Shure Incorporated in the United States. “SHOCKSTOPPER” 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. 2002, Shure Incorporated Printed in U.S.A. 27A3142 (BF)
