Shure Beta 181/O Instrument Mic

  • Item # 1101210
  • Model # Beta 181/O

The Shure Beta 181/O Instrument Mic is a Shure Beta RPM181/Pre preamp fitted with a Shure RPM181/O omnidirectional capsule. The RPM181/O capsule is ideal for use for ambient recordings or for instrume… Learn More

$499.00

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A versatile ultra-compact Instrument mic fitted with an omnidirectional capsule.

Features

  • Premier live performance microphone with Shure quality, ruggedness, and reliability
  • Small diaphragm design provides superior audio with textbook polar responses
  • The RPM181/O capsule is ideal for use for ambient recordings or for instrument ensemble applications
  • Side-address form allows for discreet positioning in tight performance and recording settings
  • Frequency response tailored for wide dynamic range for use in high SPL environments
  • Compact preamp attaches to four interchangeable capsules for custom flexibility (capsules sold separately)
  • Innnovative locking ring provides a secure connection between capsule and preamp
  • Hardened steel mesh grille resists denting, wear, and abuse
  • Compact design, under 12 cm (5 in.), reduces stage clutter
  • Furnished with stand adapter and carrying case

Technical Specification

Shure Beta 181/O Instrument Mic

  • Cartridge Type: Electret Condenser
  • Polar Pattern: Omnidirectional
  • Frequency Response: 20 to 20,000 Hz
  • Output Impedance: 110 Î
  • Sensitivity (open circuit voltage, @ 1 kHz, typical: -52.0 dBV/Pa (2.6 mV)
  • Maximum SPL (1 kHz at 1% THD)
    2500 Î load: 157.0 dB SPL
    1000 Î load: 154.0 dB SPL
  • Signal-to-Noise Ratio: 70.5 dB
  • Dynamic Range:
    2500 Î load: 133.5 dB
    1000 Î load: 130.5 dB
  • Clipping Level @ 1 kHz, 1% THD:
    2500 Î load: 10.5 dBV
    1000 Î load: 7.5 dBV
  • Self Noise (equivalent SPL,A-weighted, typical): 23.5 dB SPL-A
  • Common Mode Rejection (20 to 20,000 kHz): ±55 dB
  • Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
  • Power Requirements 11-52 V DC phantom power (IEC-61938): 2.4 mA, maximum
  • Net Weight 145 g (5.1 oz.)
  • Mic dimensions (Length x Diameter):
  • 4.40 in. x .80 in., (124.46 x 20.32mm)
  • Capsule width: 1.36" (34.54mm)