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Cartridge Type : Externally Biased Condenser
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Directional Polar Pattern : Cardioid
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Output Impedance : EIA Rated at 150 ohms (140 ohms
actual)
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Attenuation Switch : 0 or 15 dB attenuation
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Low
Frequency response switch
Flat
-6 db/octave below 115 Hz
-18 dB/octave below 80 Hz
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Phantom Power : 48 Vdc +/- 4 Vdc (IEC26815/DIN
45 596), positive pins 2 and 3
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Current Drain : 5.4 mA typical at 48 Vdc
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Common Mode Rejection : >50 dB, 20 Hz to 20
kHz
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Polarity : Positive pressure on diaphragm produces positive
voltage on output pin 2 relative to pin 3
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Dimensions and Weight
53.0 mm (2.08 in.) maximum body diameter
156.2 mm (6.15 in.) long;
642 grams (22.6 oz.)
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Sensitivity (typical, at 1000 Hz; 1Pa = 94 dB SPL) : -37
dBV/Pa
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Selfnoise (typical, equivalent SPL; Aweighted,
IEC 651) : 9.5 dB
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Maximum SPL (1000 Hz at 1% THD)
2500 ohm load (Attenuator on): 138 (153) dB
1000 ohm load (Attenuator off): 133 (148) dB
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Output Clipping Level*
2500 ohm load: 7 dBV
1000 ohm load: 1 dBV
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Dynamic Range
2500 ohm load: 128 dB
1000 ohm load: 123 dB
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Signal to Noise ratio**
84.5 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.
