A cardioid capsule for the versatile Shure 181 mic.
- A cardioid capsule for the Shure Beta 181 mic
Ideal for drum overhead, piano, acoustic instruments, and M/S stereo recording
Shure RPM181/C Cardioid Capsule for Beta 181
The Shure Beta 181/C is a cardioid capsule for the versatile Shure Beta 181 microphone. The RPM181/C is ideal for drum overhead, piano, acoustic instruments, and M/S stereo recording (paired with the Shure Beta 181/BI)
The Shure Beta 181 (sold separately) is 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.
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).
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- Cartridge Type: Electret Condenser
Polar Pattern: Cardioid
Frequency Response: 20 to 20,000 Hz
Output Impedance: 110 O
Sensitivity (open circuit voltage, @ 1 kHz, typical: –46.5 dBV/Pa (2.4 mV)
- Maximum SPL (1 kHz at 1% THD)
- 2500 O load: 151.5 dB SPL
- 1000 O load: 149.0 dB SPL
Signal-to-Noise Ratio: 73.5 dB
- Dynamic Range:
- 2500 O load: 131.0 dB
- 1000 O load: 128.5 dB 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): 20.5 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
Capsule width: 1.36" (34.54mm)