Product | M147 | Detail Data
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 |
Typical SPL (tube characteristic) for K<0.5% 3²⁾ | 114 dB |
Typical SPL (tube characteristic) for K<5% 4²⁾ | 134 dB |
Signal-to-noise ratio, CCIR (re. 94 dB SPL)¹⁾ | 70 dB |
Signal-to-noise ratio, A-weighted (re. 94 dB SPL)¹⁾ | 82 dB |
Maximum output voltage | 8 dBu |
Dynamic range of the amplifier, DIN/IEC 651, for THD < 0.5%²⁾ | 102 dB |
Dynamic range of the amplifier, DIN/IEC 651, for THD < 5%²⁾ | 122 dB |
Power supply | N 149 A |
Matching connector | Microphone: DIN 8 F, Power Supply: XLR 3 F |
Weight | 460 g |
Diameter | 57 mm |
Length | 142 mm |
1) according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS
3) measured as equivalent el. input signal