The Shure Beta 87 precision crafted vocal microphone is a high-quality, permanently polarized condensation microphone. It is used in professional sound reinforcement, radio and studio recording, and combines excellent sound quality with the robustness required for touring and outdoor productions. It’s features include:
- Transmission range: 50 Hz – 20 kHz
- Output Impedance: 100 Ohm
- Noise Sensitivity: -54 dBV / Pa (2 mV)
- Maximum sound pressure (at 1 kHz, 1 k load, 0.25% distortion factor): 140.5 dB SPL
- Noise (equivalent sound pressure): 23.5 dB (A)
- Base reduction which compensates for the proximity effect