UMT 70 S

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Product Description

The UMT 70 S condenser microphone, equipped with our reliable large diaphragm capsule, features outstanding performance, high sensitivity, and improved signal-to-noise ratio. The UMT 70 S 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 omni-directional pattern shows a slight 2 dB rise in the vicinity of 10,5 kHz while the bass response is perfectly flat. The cardioid and figure 8 patterns exhibit a smooth presence boost rising to about 4 dB in the 7 kHz range. This response, coupled with a slight roll-off at low frequencies, is responsible for the legendary ‘presence’ of this microphone. The direction of maximum sensitivity is perpendicular to the microphone’s axis (side addressed). The newly developed 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. The microphone is equipped with a standard 3-pin XLR connector fitting to a microphone cable, e.g. C 70. The operation voltage for the UMT 70 S is provided by 48 V phantom powering according to the international standards DIN 45596 and IEC 268-15. The microphone is available in a satin nickel or a black matt finish.

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