- 
Cartridge Type : Externally Biased Condenser 
- 
Directional Polar Pattern : Cardioid 
- 
Output Impedance : EIA Rated at 150 ohms (140 ohms
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 (IEC26815/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.)
 
- 
Sensitivity (typical, at 1000 Hz; 1Pa = 94 dB SPL) : -37
dBV/Pa 
- 
Selfnoise (typical, equivalent SPL; Aweighted,
IEC 651) : 9.5 dB 
- 
Maximum SPL (1000 Hz at 1% THD)
 2500 ohm load (Attenuator on): 138 (153) dB
 1000 ohm load (Attenuator off): 133 (148) dB
 
- 
Output Clipping Level*
 2500 ohm load: 7 dBV
 1000 ohm load: 1 dBV
 
- 
Dynamic Range
 2500 ohm load: 128 dB
 1000 ohm load: 123 dB
 
- 
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.