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Shure Beta 181/O Instrument Mic
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      Shure Beta 181/O Instrument Mic (H70017)
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A versatile ultra-compact Instrument mic fitted with an omnidirectional capsule.

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 instrument ensemble applications.

The Shure Beta 181 a multipurpose instrument microphone and can be used on a wide variety of applications including guitars, bass and drums (overheads and snares). It has a small diaphragm design that provides superior audio with textbook polar responses in a form factor compact enough to get close to the source in the tightest conditions. The Beta 181 has a precision-engineered, side-address design that features an innovative locking ring to provide secure connection between capsule and preamplifier with integrated XLR connections.

There are four different capsules available for the Beta 181 microphone: Cardioid (RPM181/C), Supercardioid (RPM181/S), Bi-directional (RPM181/BI), Omni-directional (RPM181/O). This makes the Beta 181 an extremely versatile and cost-effective mic that allows the user to interchange capsules according to the application. (Additional capsules sold separately). Comes with mic clip, zippered carrying case, and windscreen.

This microphone requires phantom power and performs best with a 48 Vdc supply (IEC-61938). However, it will operate with slightly decreased headroom and sensitivity with supplies as low as 11 Vdc.

Shure Beta 181/O Instrument Mic 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


Shure Beta 181/O Instrument Mic Specifications:

  • Cartridge Type: Electret Condenser
    Polar Pattern: Omnidirectional
    Frequency Response: 20 to 20,000 Hz
    Output Impedance: 110 O
    Sensitivity (open circuit voltage, @ 1 kHz, typical: –52.0 dBV/Pa (2.6 mV)
    Maximum SPL (1 kHz at 1% THD)
    2500 O load: 157.0 dB SPL
    1000 O load: 154.0 dB SPL

    Signal-to-Noise Ratio: 70.5 dB
    Dynamic Range:
    2500 O load: 133.5 dB
    1000 O load: 130.5 dB

    Clipping Level @ 1 kHz, 1% THD:
    2500 O load: 10.5 dBV
    1000 O 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)


Shure Beta 181/O Instrument Mic

One year warranty on wireless mics, mixers, and circuitry products.
2 year warranty on wired mics.
Warranty terms vary. Check with manufacturer for specific product warranty.

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  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
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Questions about the Beta 181/O Instrument Mic (H70017)


To: GuitarCenter.com
PO Box 4769
Westlake Village, CA 91359
USA
866-498-7882
 
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