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The flexible miniature microphone system. A comprehensive selection of accessories permits adaptation to a wide range of requirements. Eight different capsules are available which are compatible to the digital miniature microphone system KM D.
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Technical data KM A +
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KK 131 |
KK 133 |
KK 183 |
| Acoustic operating principle |
Pressure transducer |
Pressure transducer |
Pressure transducer |
| Directional pattern |
omni free-field equalized |
omni diffuse-field equalized |
omni diffuse-field equalized |
| Frequency range |
20 Hz...20 kHz |
20 Hz...20 kHz |
20 Hz...20 kHz |
| Sensitivity1) |
12 mV/Pa |
15 mV/Pa |
12 mV/Pa |
| Rated impedance |
50 ohms |
50 ohms |
50 ohms |
| Rated load impedance |
1000 ohms |
1000 ohms |
1000 ohms |
| Equivalent noise level, CCIR3) |
24 dB |
28 dB |
24 dB |
| Equivalent noise level, A-weighted3) |
13 dB-A |
15 dB-A |
13 dB-A |
| Signal-to-noise ratio2) CCIR3) |
70 dB |
66 dB |
69 dB |
| Signal-to-noise ratio2) A-weighted3) |
81 dB |
79 dB |
81 dB |
| Max SPL (THD<0.5%) |
140 dB |
138 dB |
140 dB |
| Max SPL (THD<0.5%) with preattenuation |
150 dB |
148 dB |
150 dB |
| Supply voltage (P48, IEC 61938) |
48 V |
48 V |
48 V |
| Current consumption (P48, IEC 61938) |
max. 3.5 mA |
max. 3.5 mA |
max. 3.5 mA |
| Matching connector |
XLR 3 M |
XLR 3 M |
XLR 3 M |
| Weight output stage |
70 g |
70 g |
70 g |
| Weight capsule |
11 g |
49 g |
11 g |
| Diameter |
22 mm |
22 mm |
22 mm |
| Length |
108 mm |
128 mm |
108 mm |
Technical Data KM A +
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KK 143 |
KK 184 |
KK 145 |
| Acoustic operating principle |
Pressure gradient transducer |
Pressure gradient transducer |
Pressure gradient transducer |
| Directional pattern |
Cardioid wide |
Cardioid |
cardioid low frequ. roll-off |
| Frequency range |
20 Hz...20 kHz |
20 Hz...20 kHz |
20 Hz...20 kHz |
| Sensitivity1) |
15 mV/Pa |
15 mV/Pa |
14 mV/Pa |
| Rated impedance |
50 ohms |
50 ohms |
50 ohms |
| Rated load impedance |
1000 ohms |
1000 ohms |
1000 ohms |
| Equivalent noise level, CCIR3) |
22 dB |
22 dB |
22 dB |
| Equivalent noise level, A-weighted3) |
13 dB-A |
13 dB-A |
14 dB-A |
| Signal-to-noise ratio2) CCIR3) |
70 dB |
70 dB |
70 dB |
| Signal-to-noise ratio2) A-weighted3) |
81 dB |
81 dB |
80 dB |
| Max SPL (THD<0.5%) |
138 dB |
138 dB |
138 dB |
| Max SPL (THD<0.5%) with preattenuation |
148 dB |
148 dB |
148 dB |
| Supply voltage (P48, IEC 61938) |
48 V |
48 V |
48 V |
| Current consumption (P48, IEC 61938) |
max. 3.5 mA |
max. 3.5 mA |
max. 3.5 mA |
| Matching connector |
XLR 3 M |
XLR 3 M |
XLR 3 M |
| Weight output stage |
70 g |
70 g |
70 g |
| Weight capsule |
15 g |
15 g |
15 g |
| Diameter |
22 mm |
22 mm |
22 mm |
| Length |
108 mm |
188 mm |
108 mm |
Technical Data KM A +
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KK 185 |
KK 120 |
| Acoustic operating principle |
Pressure gradient transducer |
Pressure gradient transducer |
| Directional pattern |
Hypercardioid |
Figure-8, side-fire |
| Frequency range |
20 Hz...20 kHz |
20 Hz...20 kHz |
| Sensitivity1) |
10 mV/Pa |
12 mV/Pa |
| Rated impedance |
50 ohms |
50 ohms |
| Rated load impedance |
1000 ohms |
1000 ohms |
| Equivalent noise level, CCIR3) |
24 dB |
25 dB |
| Equivalent noise level, A-weighted3) |
15 dB-A |
15 dB-A |
| Signal-to-noise ratio2) CCIR3) |
69 dB |
69 dB |
| Signal-to-noise ratio2) A-weighted3) |
78 dB |
79 dB |
| Max SPL (THD<0.5%) |
142 dB |
140 dB |
| Max SPL (THD<0.5%) with preattenuation |
152 dB |
150 dB |
| Supply voltage (P48, IEC 61938) |
48 V |
48 V |
| Current consumption (P48, IEC 61938) |
max. 3.5 mA |
max. 3.5 mA |
| Matching connector |
XLR 3 M |
XLR 3 M |
| Weight output stage |
70 g |
70 g |
| Weight capsule |
19 g |
37 g |
| Diameter |
22 mm |
24 mm |
| Length |
108 mm |
130 mm |
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All data with respekt to 0 dB pre-attenuation and 0 dB gain.
1) at 1 kHz
2) re 94 dBSPL
3) according to IEC 60268-1;
CCIR-weighting according to CCIR 468-3, quasi peak;
A-weighting according to IEC 61672-1, RMS |
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