KEF C 7 Service Manual

Also see for C Series C7: Installation manual Installation manual Specifications

Contents

3System SpecificationsFrequency Range 36 Hz~ 40K HzSPL Sensitivity 90dB @1W/mNominal Rating 15~125WDimension (H x W x D) 965x203x286 mmNet Weight 13.4kg / pcsFinish Black or EWLWoofer SpecificationsRated Impedance 6+/-1.2 ohms at 1V 400 HzSweep Test Sine Wave 6V at 20~20K HzResonant Frequency (Fo) 43 +/- 8Hz at 1VSensitivity 88+/-2 dB/W/mFrequency Response Fo - 3K HzRated Power Input 50WPower Test 50W RMS/Channel(The rated power is verified by performing power handlingtest by feeding rated output with IEC268-5 for 8 hours)Heat Test 60 oC 25~50% R.H. 24 hoursHumidity Test 40 oC 90~95%R.H. 24 hoursMain Magnet Ø80 x Ø40x 15mm FerriteBucking magnet Ø70x Ø32 x 8mm FerriteVoice Coil Bobbin Material AlCone Material Paper with PP coatedSurround Material Rubber