SHURE
Beta 181 Instrument Microphone

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Beta 181 Instrument Microphone


Product Code:
Beta181 Instrument Microphone

This Beta 181 is a multipurpose instrument microphone and can be used on a wide variety of applications including guitars, bass and drums (overheads and snares). A total of four different capsules (Cardioid, Super Cardioid, Bi-directional, Omni-directional) are available meaning that they can be interchanged according to application.
The RPM181/C is a cardioid condenser capsule for the Beta 181. The RPM181/BI is a bi-directional condenser capsule for the Beta 181. The RPM181/O is a omni directional condenser capsule for the Beta 181.


Features
  • Interchangeable polar pattern capsules for the ultimate in low-profile application flexibility (each Beta 181 ships with one polar pattern capsule and one XLR preamplifier)
  • Precision-engineered, compact side-address design features innovative locking ring to provide secure connection between capsule and preamplifier
  • Capsules available separately for custom flexibility
  • Frequency response tailored for wide dynamic range applications for use in high SPL environments
  • Available in the following polar pattern options:
    - 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)

Specifications
  • Transducer Type : Condenser
  • Polar Pattern: Supercardioid, Omnidirectional, Cardioid, Bidirectional
  • Sensitivity (1 kHz): Cardioid -48,5 dBV/Pa; Supercardioid -49,5 dBV/Pa; Omnidirectional: -52,0 dBV/Pa; Bidirectional: -51,0 dBV/Pa
  • Equivalent Selfnoise:
    - Cardioid: 20 dB(A)
    - Supercardioid: 22 dB(A)
    - Omnidirectional: 23 dB(A)
    - Bidirectional: 23 dB(A)
     
  • Sound Pressure:
    - Cardioid: 151 dB
    - Supercardioid: 154 dB
    - Omnidirectional: 157 dB
    - Bidirectional: 156 dB

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