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Shure Beta181/O Ultra Compact Instrument Condenser Microphone (Omnidirectional Capsule)

 
  • Dale #:

    SHUR-BETA181O
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Description

The Shure Beta 181 is an ultra-compact, small-diaphragm side-address condenser microphone, designed for discrete placement and control in live and studio environments. Featuring interchangeable cardioid, supercardioid, omnidirectional and bidirectional capsule options for superior versatility, th... Read More

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Description

The Shure Beta 181 is an ultra-compact, small-diaphragm side-address condenser microphone, designed for discrete placement and control in live and studio environments. Featuring interchangeable cardioid, supercardioid, omnidirectional and bidirectional capsule options for superior versatility, the small diaphragm design provides superior audio with consistent, textbook polar responses in a form factor small enough to get close to the source in the tightest conditions.

Ultra-Compact Side-Address Condenser Instrument Microphone with Omnidirectional Polar Pattern Capsule

Features:

  • Interchangeable polar pattern capsules attach to a compact preamplifier with integrated XLR connections for the ultimate in low-profile application flexibility (Each Beta 181 ships with one polar pattern capsule and one XLR preamplifier. Capsules available separately for custom flexibility.)
  • Precision-engineered, compact side-address design features innovative locking ring to provide secure connection between capsule and preamplifier
  • Frequency response tailored for wide dynamic range applications for use in high SPL environments
  • Furnished with stand adapter, windscreen and carrying case (carrying case will securely protect up to four polar pattern capsules)
  • BETA 181/C (cardioid) for drum overhead, piano, acoustic instrument applications, M/S stereo technique (paired with Beta 181/BI)
  • BETA 181/S (supercardioid) for snare drum, acoustic instrument, close-miking applications
  • BETA 181/O (omnidirectional) for ambient/room, instrument ensemble applications
  • BETA 181/BI (bidirectional) for mono drum overhead, dual instrument sound source applications, Blumlein stereo technique (pair of Beta 181/BI)

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Product Specs

Cartridge TypeElectret Condenser
Polar PatternOmnidirectional
Frequency Response20 to 20,000 Hz
Output Impedance110 Ω
Sensitivity
open circuit voltage, @ 1 kHz, typical–52.0 dBV/Pa[1] (2.6 mV)
Maximum SPL1 kHz at 1% THD[2]
2500 Ω load157.0 dB SPL
1000 Ω load154.0 dB SPL
Signal-to-Noise Ratio[3]70.5 dB
Dynamic Range 
2500 Ω load133.5 dB
1000 Ω load130.5 dB
Clipping Level@ 1 kHz, 1% THD
2500 Ω load10.5 dBV
1000 Ω load7.5 dBV
Self Noiseequivalent SPL, A-weighted, typical ; 23.5 dB SPL-A
Common Mode Rejection20 to 20,000 kHz ; ≥55 dB
PolarityPositive pressure on diaphragm produces positive
voltage on pin 2 with respect to pin 3
Power Requirements11–52 V DC[4] phantom power (IEC-61938)
2.4 mA, maximum
Net Weight145 g (5.1 oz.)

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