SPECIFICATIONS
| Cartridge Type | Permanently Biased Condenser | |
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Frequency Response | |||
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Directional Polar Pattern | Cardioid/Omnidirectional (see Figures 4 and 6) | ||
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Output Impedance | 150 Ω (actual) | ||
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Attenuation Switch | 0 dB,15 dB, or 25 dB attenuation | ||
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Low Frequency Response Switch | Flat; | ||
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| Phantom Power | 48 Vdc± 4 Vdc | |
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| positive pins 2 and 3 |
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| Current Drain | 4.65 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 | |
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| voltage on output pin 2 relative to pin 3 |
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Dimensions and Weight | 20 mm (0.8 in.) diameter, 145 mm (5.75 in.) long; | ||
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| 156 grams (5.5 oz.) (see Figure 7) |
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Sensitivity (typical, at 1000 Hz; | |||
(1 Pa = 94 dB SPL) |
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| 14 dB | ||
(typical, equivalent SPL; |
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Maximum SPL at 1 kHz | 145 (160, 170) dB | ||
5000 | Ω load (Attenuator on) | ||
2500 | Ω load (Attenuator on) | 139 (154, 164) dB | |
1000 | Ω load (Attenuator on) | 134 (149, 159) dB | |
Output Clipping Level* | 15 dBV | ||
| 5000 | Ω load | |
| 2500 | Ω load | 9 dBV |
| 1000 | Ω load | 3 dBV |
| Dynamic Range | 131 dB | |
| 5000 | Ω load | |
| 2500 | Ω load | 125 dB |
| 1000 | Ω load | 120 dB |
Signal to Noise Ratio** | 80 dB | ||
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*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
6
