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The microtech Gefell UMT 70 S condenser microphone, equipped with our reliable large diaphragm capsule, features outstanding performance, high sensitivity, and improved signal-to-noise ratio. The microphones guarantees particularly clean and colourless sound reproduction. It is well suited for instrumental and vocal soloists in radio and television broadcasting and any other kind of accurate production.
The pressure gradient transducer is a dual capacitor design that uses a single brass back plate and two large-diameter gold-plated plastic diaphragms. Varying the polarization voltage applied to the diaphragms results in three directional characteristics: omni, cardioid and figure 8. A ring at the bottom of the microphone's head grille is used to select the pattern. The transformerless circuit design substitutes the previous transformer for a symmetrical output stage yielding a superb transient response combined with a high RFI rejection. The circuit technology also achieves a wider dynamic range by lowering the self-noise floor and increasing the headroom for loud signals. A 10 dB attenuator has been installed to reduce the sensitivity of the microphone when placed near very loud sound sources. A sensitivity reduction for low frequencies can be utilized to suppress the proximity effect when closemiking with the cardioid or figure 8 patterns.
- condenser microphone
- omni-directional, cardioid, figure of 8
- large diaphragm capsule
- PVC diaphragm transistor pre-amplifier
- phantom powering P48
product contents
in wooden case 275 mm x 90 mm x 70 mm technical data
Polar pattern omni, cardioid, figure of 8 Acoustic operating principle pressure gradient transducer Frequency range 20 Hz to 20.000 Hz Sensitivity at 1 kHz 7 / 13 / 8 mV/Pa ± 3 dB Switch position "reduced bass roll-off" at 90 Hz -10 dB ± 1 dB Output impedance 150 Ohm Noise level CCIR 468-4 22 dB DIN EN 60268-4 14 dB-A Signal-to-noise ratio CCIR weighted 72 dB A-weighted 80 dB SPL for THD 0,5 % 139 / 134 / 139 dB with 10 dB preattenuation 149 / 144 / 149 dB Dynamic range 120 dB Current consumption 3 mA Output connector XLR3M Weight 290 g Length 217 mm Diameter capsule 42 mm preamplifier 21 mm Surface satin nickel frequency curves
UMT 70 S omni
UMT 70 S cardioid
UMT 70 S figure of 8
polar diagrams
UMT 70 S omni
UMT 70 S cardioid
| Title | Type | Size | Download |
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| microtech-gefell-UMT-70-S_broch.pdf | 132.98KB | Download |
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