| Acoustical operating principle | Pressure gradient transducer | 
| Directional pattern | Cardioid | 
| Frequency range | 20 Hz ... 20 kHz | 
| Sensitivity at 1 kHz into 1 kohm | 20 mV/Pa | 
| Rated impedance | 50 ohms | 
| Rated load impedance | 1 kohms | 
| Equivalent noise level, CCIR1) | 24 dB | 
| Equivalent noise level, A-weighted1) | 12 dB-A | 
| Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) | 70 dB | 
| Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) | 82 dB | 
| Typical SPL (tube characteristic)2) | 114 dB for THD < 0.5 %, 134 dB for THD < 5 % | 
| Maximum output voltage | 8 dBu | 
| Powering | Power supply N 149 A | 
| Matching connector | Microphone: DIN 8F, Power Supply: XLR3F | 
| Weight | 460 g | 
| Diameter | 57 mm | 
| Length | 142 mm | 
Diaphragm
Large diaphragm
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