Cartridge Type |
Permanently-biased Condenser |
Frequency Response |
20 to 20,000 Hz |
Directional Polar Pattern |
Cardioid |
Output Impedance |
150 ohms (actual) |
Attenuation Switch |
0 or -15 dB attentuation |
Low Frequency reponse switch |
flat; -6 db/octave below 115 Hz; -18 dB/octave below 80 Hz |
Phantom Powe |
48 Vdc ±4 Vdc 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 |
55.9 mm (2.20 in.) maximum body diameter,
187 mm (7.37 in.) long (see Figure 6)
490 grams (17.3 oz.) |
Sensitivity (typical, at 1000hz;
1 Pa = 94 dB SPL) |
-36 dBV/Pa (16 mV) |
Self-noise (typical, equivalent SPL;
A-weighted, IEC 651) |
13 dB |
Maximum SPL at 1000hz
2500 ohms load (attenuator on)
1500 ohms load (attenutator on) |
139 (154) dB
133 (148) dB |
Output Clipping Level
2500 ohms load
1000 ohms load |
+9 dBV
+3 dBV |
Dynamic Range
2500 ohms load
1000 ohms load |
126 dB
119 dB |
Signal to Noise ratio |
81 dB |
Total Harmonic Distortion (THD),
2500 ohms load |
<0.08% for a 120 dB equivalent SPL input |