KM184
The pressure gradient transducer KM 184 features very smooth frequency responses not only for the 0° axis, but also for lateral (off-axis) sound incidence. In typical usage, there is no coloration of sound over a wide pickup angle. Although the KM 184 has the same capsule as the KM 84, the microphone differs slightly on the 0° frequency response: The KM 184 has a gentle rise at about 9 kHz, a characteristic that was introduced very successfully with the KM 140. The result is a tonal balance that is fresher and livelier when compared to the KM 84 with its flat frequency response in that band.
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Standard Features
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| Acoustical operating principle | Pressure/Pressure gradient transducer |
| Current consumption | 2.3 mA |
| Diameter | 22 mm |
| Directional pattern | Omnidirectional/cardioid/hypercardioid |
| Dynamic range of the microphone amplifier DIN/IEC 651 | 124/122/124 dB |
| Equivalent SPL CCIR 468-3 | 27/25/27 dB |
| Equivalent SPL DIN/IEC 651 | 16/16/18 dB-A |
| Frequency range | 20 Hz...20 kHz |
| Length | 107 mm |
| Matching connectors | XLR 3F |
| Maximum output voltage | 10 dBu |
| Maximum SPL for THD 0.5% | 140/138/142 dB |
| Rated impedance | 50 ohms |
| Rated load impedance | 1000 ohms |
| S/N ratio CCIR 468-3 | 67/69/67 dB |
| S/N ratio DIN/IEC 651 | 78/78/76 dB |
| Sensitivity at 1 kHz into 1 kohm | 12/15/10 mV/Pa |
| Supply voltage | 48 V ± 4 V |
| Weight | approx. 80 g |
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