SM 94 LC

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Type Condenser
Frequency Response 40 to 16,000 Hz
Polar Pattern Cardioid
Sensitivity (at 1,000 Hz) Open Circuit Voltage: –49 dBV/Pa (3.5 mV) (phantom) –50 dBV/Pa (3.2 mV) (battery) (1 Pa = 94dB SPL)
Impedance Rated at 150 Ω; 200 Ω actual
Output Clipping Level (1 kHz, 3% THD) 800-Ω Load–14 dBV (0.63 V) (phantom), 1% THD; –23 dBV (0.71 V) (battery), 3% THD
Total Harmonic Distortion < 0.25% (130 dB SPL at 250 Hz into 800 Ω load)
Maximum SPL 800 Ω Load: 141 dB (phantom), 123 dB (battery)
Hum Pickup –3 dB equivalent SPL in a 1 millioersted field (60 Hz)
Output Noise (equivalent sound pressure levels; measured with true rms voltmeter) 22 dB typical, A-weighted 25 dB typical, weighted per DIN 45 505
Dynamic Range 119 dB (phantom); 101 dB (battery) (maximum SPL, 2000–Ω load, to A–weighted noise level)
Signal-to-Noise Ratio 72 dB (IEC 651)* at 94 dB SPL
Overvoltage Protection Maximum External Voltage Applied to Pins 2 and 3 with respect to Pin 1: +52Vdc Reverse polarity protected to 75 Vdc
Polarity Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3
Power Supply Voltage: 11 to 52 Vdc, (+) pins 2 and 3 Current Drain: 1.0 to 1.2 mA max. at 52 Vdc
Battery Operation Type: 1.5 V alkaline, AA size (NEDA 15A) Life: Up to 5,000 hours with fresh battery
Connector XLR professional audio 3-Pin
Case Steel and brass construction with gray finish and stainless steel mesh grille
Net Weight 250 grams (8.8 oz) less battery