Microtech GefellDescription from Woodbrass : The UMT 800 is a large format studio microphone featuring a pickup capsule with a long history of proven performance. Five polar patterns make this mike an ideal choice for a wide range of professional and semi-professional recording situations. The UMT 800 produces a clean, colorless sound, ideally suited for accurate recording of instrumental and vocal soloists in music studios, motion picture scoring stages and television broadcast studios. Two distinguishing characteristics of this microphone are its high sensitivity and outstanding signal to noise ratio. The pickup capsule is a pressure gradient transducer using dual membranes and a single brass back plate. The large diameter plastic membranes are sputtered with gold. Varying the polarization voltage to the membranes with the pattern switch, located just below the head grill, produces five patterns: omni, wide cardioid, cardioid, hyper-cardioid and figure 8. The direction of maximum sensitivity is radial to the head grill, i.e. side addressed. The microphone amplifier is a transformerless design with a symmetrical output stage. This design yields a wide dynamic range and a low self noise floor. The sensitivity can be reduced by a 10 dB switch mounted on the body of the mike when miking extremely loud sound sources. A low frequency roll-off switch, also located on the body of the microphone, reduces the proximity effect for close-range applications. The microphone is equipped with a 3 - pin XLR connector fitting to a microphone cable, e.g. C 70. The UMT 800 uses 48 volt phantom powering according to the international standards DIN 45596 and IEC 268 -15. It is available in a black matte or satin nickel finish. Micro de studio à condensateur sans transformateur UMT 800 Principe acoustique Capteur de variation de pression ambiante Plage de fréquence 40 . . . 18.000 Hz Filtre coupe-bas commutable à 90 Hz -10 dB Sensibilité 8 / cardioïde 13 mV/Pa Impédance nominale 150 • Niveau équivalent lié au bruit de fond intrinsèque CCIR 468 - 4 (qps) 26 dB DIN EN 60651 14 dB - mesure pondérée A Rapport signal/bruit (1 Pa à 1 kHz) CCIR - Mesure pondérée 68 dB Mesure pondérée A 80 dB SPL max. avec une DHT • 0,5 % 139/135 dB avec pré-atténuation de 10 dB 149/145 dB Plage dynamique totale de l•amplificateur micro 121 dB Consommation électrique ( P 48, DIN 45596, IEC 268 - 15 ) 3 mA Connecteur de sortie Connecteur XLR mâle à 3 broches, avec contacts plaqués or Poids 540 g Dimensions ( L x Ø ) 195 mm x 70 mm Finition Nickel satiné, Dark Bronze
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