Comparison of Audix ADX51 and Shure SM81 [S]ave
| Attribute |  Shure SM81 × |  Audix ADX51 × |
|---|---|---|
| Weight (g) | 230 | 184 |
| Brand | Shure | Audix |
| Name | Shure SM81 | Audix ADX51 |
| Sensitivity (mV/Pa) | 5.6 | 17 |
| Pickup Pattern |
|
|
| Phantom Voltage (V) | 11.00 - 52.00 | 9.00 - 52.00 |
| Range (Hz) | 20 - 20,000 | 200 - 18,000 |
| Diaphragm Diameter (mm) | - | 14 |
| Filters |
|
|
| Sound Pressure Level (SPL) (dB) | 146 | 132 |
| Impedance (Ohm) | 85 | 100 |
| Max Diameter (mm) | 24 | 19 |
| Interfaces |
|
|
| Requires Phantom Power | + | + |
| Self-Noise (dB) | 16 | - |
| Pads |
|
|
| SPL/Self-Noise Ratio | 9.12 | - |
| Length (mm) | 212 | 160 |
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