Shure BETA 181/Bi Instrument Microphone
Original price was: $519.00.$122.89Current price is: $122.89.
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), Bidirectional (RPM181/BI), Omnidirectional (RPM181/BI). 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). It comes with a 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.
- Premier live performance microphone with Shure quality, ruggedness and reliability
- Small-diaphragm design provides superior audio with textbook polar responses
- The RPM181/BI capsule is ideal for mono drum overheads and dual instrument sound source 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)
- Innovative locking ring provides a secure connection between capsule and preamp
- Hardened steel mesh grille resists denting, wear and abuse
- Compact design, under 5″, reduces stage clutter
- Furnished with stand adapter and carrying case
- Electret Condenser
Polar Pattern
- Bidirectional
Frequency Response
- 20 to 20,000Hz
Output Impedance
- 110 ohm
Sensitivity (open circuit voltage, @ 1kHz, typical
- 51 dBV/Pa (2.6 mV)
- 2,500 ohm load: 156dB SPL
1,000 ohm load: 153.5dB SPL
Signal-to-Noise Ratio
- 71.0dB
- 2,500 ohm load: 133dB
1,000 ohm load: 130.5dB
- 2,500 ohm load: 10.5 dBV
1,000 ohm load: 7.5 dBV
Self Noise (equivalent SPL,A-weighted, typical)
- 22.5dB SPL-A
Common Mode Rejection (20 to 20,000Hz)
- ±55dB
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): 2.4 mA, maximum
- Net Weight: 145 g (5.1 oz.)
Mic dimensions (Length x Diameter):
- 4.4″ x .8″
- Capsule width: 1.36″
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