Celestion TF1520
Celestion TF1520 - 150W 15 inch midrange speaker drive with pressed steel chassis and ferrite magnet, 97dB sensitivity and 45-4000Hz frequency range.
| Brand | Celestion |
| Model | TF1520 |
| Kind | |
| Nominal diameter (mm) | 381 |
| Impedance (Ω) | 8 |
| Rated power (W) | 150 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 96 |
| Frequency response | 45 Hz – 4000 Hz |
| Resonance frequency, fs (Hz) | 54.9 |
| DC resistance, Re (Ω) | 5.79 |
| Mechanical Q, Qms | 5.165 |
| Electrical Q, Qes | 0.84 |
| Total Q, Qts | 0.723 |
| Equivalent volume, Vas (l) | 132.98 |
| Effective piston area, Sd (cm²) | 855.3 |
| Moving mass, Mms (g) | 65.49 |
| Force factor, BL (T·m) | 12.48 |
| Voice coil inductance, Le (mH) | 0.8 |
| Linear excursion, Xmax (mm) | 3 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 50 |
| Cutout diameter (mm) | 352 |
| Mounting depth (mm) | 158 |
| Cone material | Kevlar loaded paper |
| Magnet material | Ferrite |
| Weight (kg) | 5 |