Microphone User Manual

6
English
SPECIFICATIONS
Cartridge Type Permanently Biased Condenser
Frequency Response 20–20,000 Hz (see Figures 3 and 5)
Directional Polar Pattern Cardioid/Omnidirectional (see Figures 4 and 6)
Output Impedance 150 (actual)
Attenuation Switch 0 dB,15 dB, or 25 dB attenuation
Low Frequency Response Switch Flat; –6 db/octave below 115 Hz;
–18 dB/octave below 80 Hz
Phantom Power 48 Vdc± 4 Vdc (IEC–268–15/DIN 45 596), positive
pins 2 and 3
Current Drain 4.65 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 3
Dimensions and Weight 20 mm (0.8 in.) diameter, 146 mm (5.75 in.) long;
156 grams (5.5 oz.) (see Figure 7)
Sensitivity (typical, at 1000 Hz;
1 Pa = 94 dB SPL)
–37 dBV/Pa
Self–noise (typical, equivalent SPL;
A-weighted, IEC 651)
14 dB
Maximum SPL
5000 load (Attenuator on)
2500 load (Attenuator on)
1000 load (Attenuator on)
145 (160, 170) dB
139 (154, 164) dB
134 (149, 159) dB
Output Clipping Level*
5000 load
2500 load
1000 load
15 dBV
9 dBV
3 dBV
Dynamic Range
5000 load
2500 load
1000 load
131 dB
125 dB
120 dB
Signal to Noise Ratio** 80 dB
*20 Hz to 20 kHz; THD < 1%. 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.