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| Shure SM Beta 87a | |
|---|---|
 vocal microphone | |
| Manufacturer: | Shure |
| Model: | SM87a |
| Kind: | Condenser (electret bias) |
| Manual: | {{{manual}}} |
| Microphone specs | |
| Pattern: | Supercardioid |
| Frequency response: | 50 to 20,000 Hz |
| Impedance: | |
| Phantom power: | not needed |
| Connector: | XLR |
Phantom Supply Requirement: 11 to 52 Vdc, positive at both pins 2 and 3, Current Drain: 1.0 to 1.2 mA
The Shure SM Beta 87a is the primary vocal microphone used by ARTC.