Celestion TFX0615
6.5-inch pressed steel chassis, ferrite magnet coaxial driver
| Brand | Celestion |
| Model | TFX0615 |
| Kind | Coaxial |
| Nominal diameter (mm) | 165 |
| Impedance (Ω) | 8 |
| Rated power (W) | 150 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 94 |
| Frequency response | 100 Hz – 6000 Hz |
| Resonance frequency, fs (Hz) | 96.8 |
| DC resistance, Re (Ω) | 5.39 |
| Mechanical Q, Qms | 3.038 |
| Electrical Q, Qes | 0.429 |
| Total Q, Qts | 0.376 |
| Equivalent volume, Vas (l) | 7.18 |
| Effective piston area, Sd (cm²) | 153.94 |
| Moving mass, Mms (g) | 12.62 |
| Force factor, BL (T·m) | 9.82 |
| Voice coil inductance, Le (mH) | 0.46 |
| Linear excursion, Xmax (mm) | 5.3 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 38 |
| Cutout diameter (mm) | 145 |
| Mounting depth (mm) | 76 |
| Cone material | Kevlar loaded paper |
| Magnet material | Ferrite |
| Weight (kg) | 2.1 |