Celestion CF1025C 300W 8ohm LF Ferrite

Celestion - CF1025C 300W 8ohm - LF Die Cast Chassis Loudspeaker - Ferrite Features- 10 Mid/bass driver delivering 99dB sensitivity and 300Wrms (AES standard) power handling- FEA optimised magnet assembly and suspension delivers highly symmetrical cone movement leading to exceptionally low harmonic distortion- Balanced Airflow Venting (BAV) increases airflow to provide enhanced cooling- Twin demodulation rings reduce flux modulation, minimizing electromagnetic distortion- M-roll surround provides progressive excursion control, yielding a smooth response even at extremes of frequency rangeGeneral SpecificationsNominal diameter: 254mm/10inPower rating(1): 300WrmsNominal impedance: 8ohmSensitivity(2): 99dBFrequency range: 60-5000HzVoice coil diameter: 64mm/2.5inChassis type: Cast AluminiumMagnet type: FerriteMagnet weight: 1.7kg/60ozCoil material: Edgewound copper clad aluminiumCone material: Kevlar loaded paperSurround material: Cloth-sealedSuspension: SingleGap depth: 8mm/0.31inVoice coil winding width: 12.5mm/0.49inXmax(3): 2.5mm/0.1inSmall Signal ParametersD: 0.21m/8.27inFs: 57.5HzMms: 36.16g/1.28ozQms: 3.906Qes: 0.310Mmd: 32.51g/1.15ozQts: 0.287Re: 5.54OVas: 35.69lt/1.286ft3BI: 15.32TmCms: 0.21mm/NRms: 3.358kg/sLe (at 1kHz): 0.635mHMounting InformationOverall diameter: 265mm/10.43inOverall depth: 119mm/4.69inCut-out diameter: 230.8mm/9.1inMounting slot dimensions: 8x6.5mm/0.3x0.25inNumber of mounting slots: 8Mounting PCD range: 244.5-247mm/9.63-9.73inUnit weight: 4.9kg/10.8lb(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 2pi anechoic environment.(3) Xmax derived from: (voice coil winding width-gap depth)/2.