Comparison of Gauge Microphones ECM-58 and Microtech Gefell M 990 [S]ave
| Attribute |  Microtech Gefell M 990 × |  Gauge Microphones ECM-58 × |
|---|---|---|
| Sensitivity (mV/Pa) | 28 | - |
| Diaphragm Gauge (micron) | 6 | - |
| Diaphragm Diameter (mm) | 25 | - |
| Weight (g) | 400 | 297 |
| Includes Tube Power Supply | + | - |
| Brand | Microtech Gefell | Gauge Microphones |
| Name | Microtech Gefell M 990 | Gauge Microphones ECM-58 |
| Range (Hz) | 40 - 18,000 | 50 - 15,000 |
| Pickup Pattern |
|
|
| Sound Pressure Level (SPL) (dB) | 119 | 129 |
| Impedance (Ohm) | 200 | 150 |
| Self-Noise (dB) | 13 | 18 |
| SPL/Self-Noise Ratio | 9.15 | 7.17 |
| Max Diameter (mm) | 43 | 50 |
| Interfaces |
|
|
| Length (mm) | 185 | 161 |
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