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6
SPECIFICATIONS
Cartridge Type Externally Biased Condenser
Frequency Response 20 to 20,000 Hz (see Figure 4)
Directional Polar Pattern Cardioid (see Figure 5)
Output Impedance EIA Rated at 150 Ω (140 Ω actual)
Attenuation Switch 0 or 15 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 5.4 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 53.0 mm (2.08 in.) maximum body diameter,
156.2 mm (6.15 in.) long; 642 grams (22.6 oz.)
(see Figure 6)
Sensitivity (typical, at 1000 Hz;
1Pa = 94 dB SPL)
–37 dBV/Pa
Self–noise (typical, equivalent SPL;
A–weighted, IEC 651)
14 dB
Maximum SPL at 1000 Hz
2500 Ω load (Attenuator on)
1000 Ω load (Attenuator on)
137 (152) dB
132 (147) dB
Output Clipping Level*
2500 Ω load
1000 Ω load
7 dBV
1 dBV
Dynamic Range
2500 Ω load
1000 Ω load
123 dB
118 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.