| Attribute | Groove Tubes GT67 × | Groove Tubes GT66 × |
|---|---|---|
| Impedance (Ohm) | 200 | 200 |
| Sound Pressure Level (SPL) (dB) | 140 | 140 |
| Diaphragm Diameter (mm) | 26 | 25 |
| Diaphragm Gauge (micron) | 3 | 3 |
| Capsule Diameter (mm) | 32 | 32 |
| Length (mm) | 190 | 190 |
| Range (Hz) | 20 - 20,000 | 20 - 20,000 |
| Max Diameter (mm) | - | 64 |
| Pickup Pattern |
|
|
| Sensitivity (mV/Pa) | 35 | 25 |
| Brand | Groove Tubes | Groove Tubes |
| Name | Groove Tubes GT67 | Groove Tubes GT66 |
| Weight (g) | 680 | 680 |
| Self-Noise (dB) | 23 | 23 |
| Pads |
|
|
| SPL/Self-Noise Ratio | 6.09 | 6.09 |
| Filters |
|
|
| Interfaces |
|
|
| Includes Tube Power Supply | + | + |