| Model | QT500 |
| Nominal Basket Diameter() | 133 mm (5.5 in) |
| No Voice Coil Diameter() | 25 mm |
| Nominal Impedance() | 8Ω |
| Sensitivity() | 85.8 dB |
| Usable Frequency Range() | 82.4Hz-7.5KHz |
| Rated Power() | 30 W |
| MAX Power() | 60 W |
| Resonant Frequency (fs) | 82.4 Hz |
| DC Resistance (Re) | 7.2Ω |
| Mechanical Q (Qms) | 6.85 |
| Electromagnetic Q (Qes) | 1.16 |
| Total Q (Qts) | 0.99 |
| Efficiency | 0.24% |
| (Overall Diameter) | 133 mm |
| (Mounting Holes B.C.D) | 139 mm |
| (Baffle Hole Diameter) | 123 mm |
| (The full height) | 70 mm |
| (Edge thickness) | 6.0 mm |
| (Net Weight) | 0.85 Kg |
