| Attribute | AKG Acoustics P820 Tube × | Telefunken Elektroakustik R-F-T AR-51 × |
|---|---|---|
| Brand | AKG Acoustics | Telefunken Elektroakustik |
| Name | AKG Acoustics P820 Tube | Telefunken Elektroakustik R-F-T AR-51 |
| Sensitivity (mV/Pa) | 20 | 14 |
| Pickup Pattern |
|
|
| Includes Tube Power Supply | + | + |
| Range (Hz) | 25 - 20,000 | 20 - 20,000 |
| Impedance (Ohm) | 200 | 200 |
| Capsule Diameter (mm) | - | 32 |
| Self-Noise (dB) | 16 | 16 |
| Sound Pressure Level (SPL) (dB) | 155 | 138 |
| SPL/Self-Noise Ratio | 9.69 | 8.62 |
| Max Diameter (mm) | 53 | 44 |
| Interfaces |
|
|
| Weight (g) | 765 | 765 |
| Filters |
| - |
| Diaphragm Gauge (micron) | - | 6 |
| Pads |
| - |
| Diaphragm Diameter (mm) | - | 25 |
| Length (mm) | 212 | 241 |