KEF C Series C7 Manual de usuario
C series
Service manual
REVISION 1.0 Jul-2008
2-WAY FLOORSTAND SPEAKER
1
Table of Content
Service part list 2
System Specifications 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
2
Service part list
P/N Description
1403-1840+0 K190100A ADJUSTABLE FOOT
1419-1310+0 PLINTH C7 BK
145B-4040+0 M.BOX C7 SGL
1491-7391+0 POLY.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
3
System Specifications
Frequency Range 36 Hz~ 40K Hz
SPL Sensitivity 90dB @1W/m
Nominal Rating 15~125W
Dimension (H x W x D) 965x203x286 mm
Net Weight 13.4kg / pcs
Finish Black or EWL
Woofer Specifications
Rated Impedance 6+/-1.2 ohms at 1V 400 Hz
Sweep Test Sine Wave 6V at 20~20K Hz
Resonant 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 Coil Bobbin Material Al
Cone Material Paper with PP coated
Surround Material Rubber
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
DomeMaterial Aluminum
5
Schematic Diagram of Crossover/ Exploded View of Crossover
7012-1440+0 #18AWG TWIN RED&RED/BLACK 550MM #205/205
6360-1371+0 C
A
B
L
E
T
I
E
1
5
0
M
M
*
2
.
7
M
M
474D-R82J+1-B 0.82ohm +/-5% 11W
157F-186J+1-X$ 18UF+/-5% 50V DF<5% 1KHZ BENNIC B05A
1725-331A+0001 P
C
B
F
O
R
I
Q
3
S
S
5
9
X
7
9
M
M
T
=
1
.
6
M
M
P
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
1
5
0
M
M
*
2
.
7
M
M
157F-106J+1-W@
1804-1790+0
7012-1450+0
157H-256J+1-X$
6360-1371+0
474B-1R8J+1-B
6
Exploded View of Cabinet
7
8
Exploded View of BK Package
9
Exploded View of EWL Package
Otros manuales para C Series C7
2
Tabla de contenidos
Otros manuales de Oradores de KEF
KEF
KEF q series Manual de usuario
KEF
KEF Ci 130DS Manual
KEF
KEF carlton III Manual de usuario
KEF
KEF Ci Series Manual de usuario
KEF
KEF E Series Manual de usuario
KEF
KEF C35 Manual de usuario
KEF
KEF Cara Compact Manual de usuario
KEF
KEF Ci Series Manual de usuario
KEF
KEF 303 Manual de usuario
KEF
KEF BLADE ONE Meta Manual de usuario
KEF
KEF Ci 130DS Manual de usuario
KEF
KEF Uni-Q Ci3-80QT Manual
KEF
KEF Ci 130QR Manual de usuario
KEF
KEF Ci50R Manual de usuario
KEF
KEF HTS300 I Manual de usuario
KEF
KEF LSX II Manual de usuario
KEF
KEF LS50 Manual de usuario
KEF
KEF 303.3 Manual de usuario
KEF
KEF CI200.3QR Manual de usuario
KEF
KEF Ci Series Manual de usuario
