Celestion TF1220
Celestion TF1220 - 150W 12 inch mid bass LF speaker driver with pressed steel chassis, ferrite magnet, 97dB sensitivity and a 60-4000Hz frequency range.
| Brand | Celestion |
| Model | TF1220 |
| Kind | Woofer |
| Nominal diameter (mm) | 305 |
| Impedance (Ω) | 8 |
| Rated power (W) | 150 |
| Maximum power (W) | |
| Sensitivity (dB, 1 W/1 m) | 97 |
| Frequency response | 60 Hz – 4000 Hz |
| Resonance frequency, fs (Hz) | 55.8 |
| DC resistance, Re (Ω) | 5.46 |
| Mechanical Q, Qms | 3.327 |
| Electrical Q, Qes | 0.441 |
| Total Q, Qts | 0.389 |
| Equivalent volume, Vas (l) | 72.79 |
| Effective piston area, Sd (cm²) | 530.93 |
| Moving mass, Mms (g) | 44.51 |
| Force factor, BL (T·m) | 13.91 |
| Voice coil inductance, Le (mH) | 0.71 |
| Linear excursion, Xmax (mm) | 4 |
| Excursion limit, Xmech (mm) | |
| Voice coil diameter (mm) | 50 |
| Cutout diameter (mm) | 283 |
| Mounting depth (mm) | 131 |
| Cone material | Kevlar loaded paper |
| Magnet material | Ferrite |
| Weight (kg) | 4 |