The Shure KSM32 is a side-address, cardioid condenser microphone for highly critical studio recording and live sound productions. It offers an extended frequency response for an open, natural sounding reproduction of the original sound source. FEATURES: Class A, transformerless preamplifier circuitry eliminates cross-over distortion for improved linearity across the full frequency range. Embossed, high-compliance diaphragm provides extended low-frequency response. Ultra-thin, gold-layered, low-mass, Mylar® diaphragm for excellent transient response. 15 dB attenuation switch for handling extremely high sound pressure levels (SPL). Switchable low-frequency filter provides greater flexibility to reduce background noise or to counteract proximity effect. Integrated three-stage pop protection grille reduces "pop" and other breath noise. Internal shock mount reduces transmission of handling noise. Performance Characteristics: Extended frequency response. Very low self-noise. Exceptional low-frequency reproduction. High output level. High input SPL capability. No cross-over distortion. Extremely uniform polar response. Superior common mode rejection and suppression of radio frequency interference.
Cartridge Type Permanently-biased condenser Frequency Response 20 Hz to 20 kHz Directional Pattern Cardioid Sensitivity (at 1000 Hz) Open Circuit Voltage: -36 dBV/Pa (16 mV) typical (1 Pa = 94 dB SPL) Self Noise (equivalent SPL) 13 dB typical, A-weighted (IEC 651) Total Harmonic Distortion (20 Hz to 20 kHz , 2500 ohm load) < 0.08%* for a 120 dB equivalent SPL input Maximum SPL (20 Hz to 20 kHz, THD < 1%*) 2500 ohm load 139 dB (154 dB w/ attenuation) . . . . . . . . . . . . 1000 ohm load 133 dB (148 dB w/ attenuation) . . . . . . . . . . . . Output Clipping Level (20 Hz to 20 kHz, THD < 1%*) 2500 ohm load: +9 dBV (2.82 V rms) 1000 ohm load: +3 dBV (1.41 V rms) Dynamic Range (20 Hz to 20 kHz, 2500 ohm load) 126 dB (maximum SPL minus A-weighted noise level) Signal-to-Noise Ratio 81 dB (IEC 651)** Output Impedance 150 ohms (actual) Attenuation Switch 0 or -15 dB Low Frequency Response Switch Flat, -6 dB/octave below 115 Hz, -18 dB/octave below 80 Hz Power Phantom Power: 48 Vdc +/- 4 Vdc (IEC-268-15/DIM 45 596) positive pins 2 and 3 Current Drain: 4.65 mA typical at 48 Vdc Common Mode Rejection Ratio (CMRR) > 50 dB, 20 Hz to 20 kHz Connector Gold plated, three-pin (XLR) professional audio Polarity Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 Dimensions 5.9 mm (2.20 in.) maximum body diameter, 187 mm (7.37 in.) long Net Weight 490 grams (17.3 oz.) * THD of the microphone preamplifier when applied input signal is equivalent to the cartridge output at specified SPL ** S/N ratio is difference between 94 dB SPL and equivalent SPL of self-noise A-weighted
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