| Attribute | SE Electronics Gemini II × | Ningbo Alctron Electronics Co., Ltd. HRM-1 × |
|---|---|---|
| Includes Tube Power Supply | + | - |
| Diaphragm Diameter (mm) | 27 | - |
| Name | SE Electronics Gemini II | Ningbo Alctron Electronics Co., Ltd. HRM-1 |
| Weight (g) | 1,200 | 1,230 |
| Pickup Pattern |
|
|
| Brand | SE Electronics | Ningbo Alctron Electronics Co., Ltd. |
| Range (Hz) | 20 - 20,000 | 30 - 18,000 |
| Interfaces |
|
|
| Sound Pressure Level (SPL) (dB) | 135 | 165 |
| Impedance (Ohm) | 200 | 200 |
| Self-Noise (dB) | 12 | 18 |
| SPL/Self-Noise Ratio | 11.25 | 9.17 |
| Max Diameter (mm) | 80 | 69 |
| Filters |
| - |
| Sensitivity (mV/Pa) | 12.6 | 1.7 |
| Pads |
| - |
| Length (mm) | 230 | 185 |