Celestion FTX1225 300W 8ohm

General Specifications

Size: 305mm/12in

Power rating(1): 300Wrms

Nominal impedance: 8ohm

Sensitivity(2): 97dB

Frequency range: 50-4000Hz

Voice coil diameter: 64mm/2.5in

Chassis type: Cast Aluminium

Magnet type: Ferrite

Magnet weight: 2.3kg/81oz

Coil material: Edgewound copper clad aluminium

Former material: Glass fibre

Cone material: Kevlar loaded paper

Surround material: Cloth-sealed

Suspension: Single

Xmax(3): 4mm/0.16in

Gap depth: 8mm/0.31in

Voice coil winding width: 16mm/0.62in

Small Signal Parameters

D: 0.26m/10.24in

Fs: 47.8Hz

Mms: 49.44g/1.95oz

Qms: 5.714

Qes: 0.409

Mmd: 42.52g/1.5oz

Qts: 0.382

Re: 5.35ohm

Vas: 89.55lt/3.16ft3

BI: 13.94Tm

Cms: 0.224mm/N

Rms: 2.59kg/s

Le (at 1kHz): 0.78mH

General Specifications: HF

Power rating(1): 60 Wrms

Nominal impedance: 8ohm

Sensitivity(2): 104dB

Frequency range: 1000-20,000Hz

Recommended min. crossover (12dB/oct): 2000Hz

Voice coil diameter: 45mm/1.75in

Diaphragm and surround material: Polyimide

Mounting Information

Overall depth: 168mm/6.61in

Cut-out diameter: 286mm/11.26in

Mounting slot dimensions: 7.5x6.5mm/0.29x0.26in

Number of mounting slots: 8

Mounting PCD range: 298-304mm/11.70-11.97in

Unit weight: 5.9kg/13.0lb

(1)Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.

(2)Measured on axis at 1W, 1m in 2 anechoic environment.

(3)Xmax derived from: (voice coil winding width-gap depth)/2.

*Supplied without crossover