Type |
Condenser (electret bias) |
Frequency Response |
20 to 20,000 Hz Polar Pattern, Cardioid (unidirectional) response-uniform with frequency, symmetrical about axis |
Output Impedance |
Rated at 150 ohms (85 ohms actual); |
Recommended minimum load impedance |
800 ohms (May be used with loads as low as 150 ohms with reduced clipping level) |
Output Configuration and Connector |
Balanced, transformer-coupled output; male XLR connector |
Sensitivity (at 1,000 Hz) |
Open Circuit Voltage: -45 dBV/Pascal (5.6 mV) (1 Pascal = 94 dB SPL) |
Clipping Level (at 1,000 Hz) |
800 ohm Load: -4 dBV (0.63 V), |
150 ohm Load |
-15 dBV (0.18 V) |
Total Harmonic Distortion |
Less than 0.5% (131 dB SPL at 250 Hz into 800 ohm load) |
Maximum SPL (at 1,000 Hz) |
800 ohm load: 136 dB (attenuator at 0) 146 dB (attenuator at -10) |
150 ohm load |
128 dB (attenuator at 0) 138 dB (attenuator at -10) |
Hum Pickup |
-3 dB equivalent SPL in a 1 mOe field (60 Hz) |
Self-Noise (equivalent sound pressure levels; measured with true rms voltmeter) |
16 dB typical, A-weighted 19 dB typical, weighted per DIN 45 405 |
Signal to Noise Ratio |
78 dB (IEC 651)* at 94 dB SPL *S/N ratio is difference between 94 dB SPL and product's equivalent self noise (SPL A-weighted). |
Overvoltage and Reverse Polarity Protection |
Max. external voltage applied to pins 2 and 3 with respect to pin 1: +52 Vdc |
Reverse polarity protection |
200 mA max. (diode-clamped) |
Polarity |
Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 |
Cartridge Capacitance |
54 pF |
Low Frequency Response Switch Positions |
Flat; -6 dB/octave below 100 Hz; -18 dB/octave below 80 Hz, Attenuator Switch Positions (Lockable) 0 or -10 dB |
Power |
Supply Voltage: 11 to 52 Vdc, positive, pins 2 and 3 |
Current Drain |
1.2 mA max. |
Storage |
-29 degrees to 74 degrees C (-20 degrees to 165 degrees F) |
Operating |
-6.7 degrees to 49 degrees C (20 degrees to 120 degrees F) |
Humidity |
Storage 0 to 95% relative humidity at room temperature (72 degrees to 80 degrees F, 22 degrees to 27 degrees C) |
Case |
Steel construction with vinyl metallic paint finish and stainless steel screens |
Weight Net |
230 grams (8 oz) |