Wheaton, MD, United States
About this listing
Shure BETA 181/O Ultra-Compact Small-Diaphragm Side-Address Condenser
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.
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 capsule.
BETA 181/O (omnidirectional) for ambient/room, instrument ensemble applications
SPECIFICATIONS
Cartridge Type: Electret Condenser
Polar Pattern: Cardioid / Supercardioid / Omnidirectional / Bidirectional
Frequency Response: 20 to 20,000 Hz
Output Impedance: 110 Ω
Maximum SPL (1 kHz at 1% THD, 1kΩ load):
Omnidirectional: 154.0 dB SPL
Signal-to-Noise Ratio (referenced at 94 dB SPL at 1 kHz; S/N ratio is difference between 94 dB SPL and equivalent SPL of self noise, A-weighted):
Omnidirectional: 70.5 dB
Dynamic Range (at 1 kHz, 1 kΩ load):
Omnidirectional: 130.5 dB
Clipping Level (1 kHz at 0.25% THD, 1kΩ load): 7.5 dBV (2.4 V)
Self-Noise (equivalent SPL, A-weighted, typical):
Omnidirectional: 23.5 dB
Common Mode Rejection (20–20,000 Hz): ≥55 dB
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Power Requirements: 11–52 VDC phantom power (IEC-61938), 1.2 mA
Weight: Net: 145 g (5.1 oz.)
Manufacturer: ShureModel: BETA 181/OSKU: I254968-N-1-WHXXUPC: 042406187855We are Chuck Levin's Washington Music CenterSince 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.
Original Price$519
$194 price drop
New Price$325
+ $24.31 Shipping
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