Comparison of Sterling Audio ST55 FET and Sterling Audio ST66 Tube [S]ave
| Attribute |  Sterling Audio ST55 FET × |  Sterling Audio ST66 Tube × |
|---|---|---|
| Impedance (Ohm) | 200 | 200 |
| Sound Pressure Level (SPL) (dB) | 144 | 140 |
| Length (mm) | 190 | 190 |
| Diaphragm Gauge (micron) | 3 | 3 |
| Requires Phantom Power | + | - |
| Diaphragm Diameter (mm) | 26 | 25 |
| Range (Hz) | 20 - 20,000 | 20 - 20,000 |
| Max Diameter (mm) | 46 | 46 |
| Pickup Pattern |
|
|
| Sensitivity (mV/Pa) | 32 | 25 |
| Brand | Sterling Audio | Sterling Audio |
| Name | Sterling Audio ST55 FET | Sterling Audio ST66 Tube |
| Weight (g) | 544 | 544 |
| Self-Noise (dB) | 22 | 23 |
| Pads |
|
|
| SPL/Self-Noise Ratio | 6.55 | 6.09 |
| Filters |
|
|
| Interfaces |
|
|
| Capsule Diameter (mm) | 32 | 32 |
| Includes Tube Power Supply | - | + |
| Phantom Voltage (V) | 48.00 | - |
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