| Cartridge Type | Electret Condenser |
|---|---|
| Frequency Response | 20 to 20,000 Hz |
| Output Impedance | 110 Ω |
| Common Mode Rejection, 20 to 20,000 kHz | ≥55 dB |
| Polarity | Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3 |
| Power Requirements | 11–52 V DC phantom power (IEC-61938) 2.4 mA, maximum |
| 181/C | Cardioid |
| 181/S | Supercardioid |
| 181/O | Omnidirectional |
| 181/BI | Bidirectional |
| Cardioid | –46.5 dBV/Pa (4.7 mV) |
| Supercardioid | –49.5 dBV/Pa (3.4 mV) |
| Omnidirectional | –52.0 dBV/Pa (2.5 mV) |
| Bidirectional | –51.0 dBV/Pa (2.8 mV) |
| Cardioid | 151.5 dB SPL |
| Supercardioid | 154.5 dB SPL |
| Omnidirectional | 157.0 dB SPL |
| Bidirectional | 156.0 dB SPL |
| Cardioid | 140.0 dB SPL |
| Supercardioid | 152.0 dB SPL |
| Omnidirectional | 154.0 dB SPL |
| Bidirectional | 153.5 dB SPL |
| Cardioid | 73.5 dB |
| Supercardioid | 71.5 dB |
| Omnidirectional | 70.5 dB |
| Bidirectional | 71.0 dB |
| Cardioid | 131.0 dB |
| Supercardioid | 132.0 dB |
| Omnidirectional | 133.5 dB |
| Bidirectional | 133.0 dB |
| Cardioid | 128.5 dB |
| Supercardioid | 129.5 dB |
| Omnidirectional | 130.5 dB |
| Bidirectional | 130.5 dB |
| 2500 Ω load | 10.5 dBV |
| 1000 Ω load | 7.5 dBV |
| Cardioid | 20.5 dB SPL-A |
| Supercardioid | 22.5 dB SPL-A |
| Omnidirectional | 23.5 dB SPL-A |
| Bidirectional | 23.0 dB SPL-A |
| Dimensions (H x Diameter) | 4.90" (124.46 mm) x 1.36" (34.54 mm) |
| Weight | 5.1 oz (145 g) |
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
Usually arrives in 5-9 business days.
