12" Bass and mid-range driver providing 97dB sensitivity and 250Wrms (AES standard) power handling 2.5" high temperature copper voice coil wound on polyimide for increased reliability Optimised ferrite magnet design reduces weight Double roll surround for greater excursion control For use in 2-way or compact 3-way systems
| Specifications |
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| Brand | Celestion | | Model | TF1225 | | Nominal Impedance(Ohms) | 8 ohms | | Power Handling(RMS) | 250 Watts | | Power Handling Peak (Wtts) | 500 Watts | | Usable Frequency Range(Hz) | 50 to 4,000 Hz | | Sensitivity(dB) | 97 dB 1W/1m | | Magnet Weight(oz) | 42 oz. | | Sheilded Magnet | Magnet | | Voice Coil Diameter | 2.5" | | Coil Former | Kapton® / Polyimide | | Winding Material | Copper | | MAGNET COMPOSITION | Ferrite | | Basket Material | Steel | | Cone Composition | Paper / Kevlar | | Surround Composition | Cloth | | Net Weight(lbs) | 11.6 |
| Parameters |
|---|
| Resonant Frequency(Fs) | 63 Hz | | DC Resistance(Re) | 5.13 ohms | | Coil Inductance(Le) | 0.84 mH | | Mechanical Q(QMS) | 6.7 | | Electromagnetic Q(Qes) | 0.54 | | Total Q(Qts) | 0.5 | | Compliance Equiv Vol (Vas) | 1.92 ft3 | | Mechanical Compliance(cm2) | 0.14 mm/N | | BL Product(Bl) | 13.20 Tm | | Moving Mass(MMs) | 46.51g | | Max Linear Excursion(Xmax) | 2.5 mm | | Sealed Enclosure | 1.18 ft3 | | Mounting and Shipping Information |
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| Overall Diameter | 12.17" | | Nominal Diameter | 12" | | Baffle Hole Diameter | 11.14" | | Depth | 5.12" | | No of Mounting Holes | 4 | | Recommended Cabinet Size |
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| Sealed F3 | 100 Hz | | Vented Volume | 3.08 ft3 | | Vented F3 | 49 Hz |
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