KEF C Series C7 Service Manual Download Page 5

 

 

                         

                                      

 

4

Tweeter Specifications

 

Rated Impedance  

 

 

 

3 +/- 0.6 ohms at 1V 3K Hz 

Sweep 

Test 

     Sine 

Wave 

1V 

at 

1K~20K 

Hz 

Sensitivity 

     86dB/W/m 

Frequency 

Response 

   Fo--18K 

Hz 

Rated 

Power 

Input 

 

   50W 

Power Test   

 

 

               50W RMS/Channel with Q1 Xover 

 

(The rated power is verified by performing power handling  

test by feeding rated output with IEC268-5 for 4 hours) 

Heat Test 

60 

o

C /% R.H. 24 hours 

Humidity Test 

40 

o

C 90~95% R.H. 24 hours 

Voice Coil Bobbin Material  

          Kapton 

Dome Material 

 

 

 

 

 Aluminum 

 

 

Summary of Contents for C Series C7

Page 1: ...C series Service manual REVISION 1 0 Jul 2008 2 WAY FLOORSTAND SPEAKER ...

Page 2: ...cations 3 Woofer Specifications 3 Tweeter Specifications 4 Schematic Diagram Exploded View of Crossover 5 Exploded View of Cabinet 6 Exploded View of BK Package 8 Exploded View of EWL Package 9 System Frequency Response Curve 10 System Impedance Curve 11 ...

Page 3: ...Y FOAM C7 WHITE 450X320X120 1491 7392 0 POLYFAOM B C7 2904 6020 3000 SCREW M6 20 12MM BK 4124 0711 0 TERMINAL PANEL C3 JY251 1 4159 1400 0 SHORTING LINK RIGHT C3 4159 1410 0 SHORTING LINK LEFT C3 4160 1100 0 GRILLE SOCKET BK C1 SVC GRILLE C7 C7 GRILLE BK SPARE SVC TW C1 SPART PART C1 TW SVC WF C7 SPARE PART C7 WF SVC XOV C7 C7 XOVER SPARE ...

Page 4: ...nant Frequency Fo 43 8Hz at 1V Sensitivity 88 2 dB W m Frequency Response Fo 3K Hz Rated Power Input 50W Power Test 50W RMS Channel The rated power is verified by performing power handling test by feeding rated output with IEC268 5 for 8 hours Heat Test 60 o C 25 50 R H 24 hours Humidity Test 40 o C 90 95 R H 24 hours Main Magnet Ø80 x Ø40x 15mm Ferrite Bucking magnet Ø70x Ø32 x 8mm Ferrite Voice ...

Page 5: ...quency Response Fo 18K Hz Rated Power Input 50W Power Test 50W RMS Channel with Q1 Xover The rated power is verified by performing power handling test by feeding rated output with IEC268 5 for 4 hours Heat Test 60 o C R H 24 hours Humidity Test 40 o C 90 95 R H 24 hours Voice Coil Bobbin Material Kapton Dome Material Aluminum ...

Page 6: ... H E N O L I C P A P E R 1806 2792 0 IRON CORE 1 0MH 5 0 7OHM 5 100HZ 3004 0099 0 MODEL LABEL FOR C7 XOVER 7012 0120 0 18AWG TWIN BLUE BLUE BLACK 0 3M 205 110 7012 0130 0 18AWG TWIN RED RED BLACK 0 3M 205 110 18AWG TWIN BLUE BLUE BLACK 550MM 205 205 25UF 5 100V DF 6 1KH Z K143082A BENNIC 1 8ohm 5 5W K591R80J224 10UF 5 DFMAX3 50V AL D12 26 AIR CORE 0 11MH 2 5 0 2ohm 13 10 89T 10KHZ C A B L E T I E ...

Page 7: ...6 Exploded View of Cabinet ...

Page 8: ...7 ...

Page 9: ...8 Exploded View of BK Package ...

Page 10: ...9 Exploded View of EWL Package ...

Page 11: ...10 System Frequency Response Curve ...

Page 12: ...11 System Impedance Response Curve ...

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