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A redesigned classic with state-of-the-art circuit technology and correspondingly low self-noise. Like the legendary M 50, this tube microphone is ideal for orchestral recording.
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| Acoustical operating principle |
Pressure transducer |
| Directional pattern |
Omnidirectional |
| 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) |
28 dB |
| Equivalent noise level, A-weighted1) |
15 dB-A |
| Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) |
66 dB |
| Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) |
79 dB |
| Typical SPL (tube characteristic)2) |
K < 0,5 %: 114 dB, K < 5 %: 134 dB |
| Maximum output voltage |
8 dBu |
| Dynamic range of the microphone amplifier (A-weighted) |
K < 0,5 % *: 99 dB, K < 5 %: 119 dB |
| Powering |
Power supply N 149 A |
| Matching connector microphone |
DIN8F |
| Matching connector power supply |
XLR3F |
| Weight |
800 g |
| Diameter |
78 mm |
| Length |
165 mm |
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1) according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS
2) measured as equivalent el. input signal |
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