Shure Beta 91A Half-Cardioid Condenser Boundary Mic

kr 3 395,- (ink. mva)



(Gjelder ikke varer over 35 kg)

Varenummer: SHU-Beta91A Kategori:

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      Kondensatormikrofon, trykksone, for instrumenter. Beta91 er i en klasse for seg, takket være et førsteklasses kondensator mikrofonelement og en suveren forforsterker. Beta91 har blant annet disse bruksområdene: Flygel/piano, basstromme, teaterscene, konferanserom, TV og video. Frekvensrespons: 20-20 000 Hz. Tåler masse “trøkk”.

      • Uniform half-cardioid polar pattern for maximum gain-before-feedback and rejection of off-axis sound

      • Precision-engineered low-profile design features integrated preamplifier and XLR connector to maximize setup efficiency while minimizing stage clutter

      • Frequency response tailored for kick drum/low frequency applications with a wide dynamic range for use in high • SPL environments

      • Two-position contour switch to maximize attack and clarity depending on application: select the flat response setting for natural sound in most applications or the “low-mid scoop” setting for a strong low frequency “punch” with plenty of higher frequency attack

      • Requires no external mounting or accessories for ease of use and storage

      • Furnished with zipper pouch

      Electret Condenser

      Frequency Response
      20 to 20,000 Hz

      Polar Pattern
      Half-cardioid (cardioid in hemisphere above mounting surface)

      146 Ohms

      Sensitivity (at 1 kHz, open circuit voltage)
      -48.5 dBV/Pa (3.8mV)
      1 Pascal=94 dB SPL

      Maximum SPL (1 kHz at 1% THD)
      1000 Ohm load: 151 dB, 2500 Ohm load: 155 dB

      Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz)
      64 dB

      S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted

      Dynamic Range (at 1 kHz)
      1000 Ohm load: 121.5 dB
      2500 Ohm load: 125.5 dB

      Common Mode Rejection (20 Hz to 20 kHz)
      > 55 dB

      Clipping Level (20Hz-20 kHz at 1% THD)
      1000 Ohm load: 7.50 dBV, 2500 Ohm load: 12.5 dBV

      THD of microphone preamplifier when applied input signal is equivalent to cartridge output at specified SPL

      Self Noise (typical, equivalent SPL, A-weighted)
      29.5 dB SPL-A

      Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3

      Net: 470 g (16.6 oz.)

      Frequency Contour Switch
      7 dB of attenuation centered at 400 kHz

      Three-pin professional audio (XLR), male, balanced

      Power Requirements
      11-52 Vdc phantom power, 5.6 mA

      Vekt 1 kg



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