| Attribute | Value |
| Name | Gauge Microphones ECM-47 |
| Brand | Gauge Microphones |
| Pickup Pattern | - Bidirectional
- Cardioid
- Omnidirectional
|
| Sensitivity | 16 mV/Pa |
| Range | 20 - 20,000 Hz |
| Capsule Diameter | 35 mm |
| Diaphragm Gauge | 6 micron |
| Impedance | 200 Ohm |
| Sound Pressure Level (SPL) | 135 dB |
| Self-Noise | 18 dB |
| SPL/Self-Noise Ratio | 7.5 |
| Interfaces | |
| Includes Tube Power Supply | + |
| Pads | Add |
| Filters | Add |
| Length | Add |
| Weight | Add |
| Diaphragm Diameter | Add |
| Max Diameter | Add |
| Requires Phantom Power | Add |
| Phantom Voltage | Add |
| Has Battery Compartment | Add |
| Battery compartment type | Add |