User Manual

Loudspeakers
12"- 100W Vintage Ceramic Guitar Loudspeaker
C12K - 4Ω / 8Ω / 16Ω
G ENERAL CHARACT ERIST ICS
Nominal Overall Diameter 307 mm. 12 in.
Nominal Voice Coil Diameter 50 mm. 2.00 in.
Magnet Weight 1450 g 50.00 oz
Overall Weight 9.65 lbs
Flux Dens ity 1.10 T
THIELE- SMALL PARAMET ERS 4 Ω 8Ω 16 Ω
Voice Coil DC Res is tance
R
E
3.25 7.00 12.00 Ω
Resonance Frequency
ƒ
S
102.0 104.0 107.0 Hz
Mechanical Q Factor
Q
M S
19.80 20.41 22.37
Electrical Q Factor
Q
ES
0.54 0.67 0.78
Total Q Factor
Q
TS
0.52 0.65 0.75
Mechanical Moving Mass
M
M S
34.9 28.8 29.3 g
Mechanical Compliance
C
M S
70 82 77 µm/N
Force Factor BxL 11.65 13.95 17.70 Wb/m
Equivalent Acoustic Volume
V
AS
23.6 27.6 26.0 lt.
Maximum Linear Dis placement
X
M AX
± 1.00 ± 1.00 ± 1.00 mm
Reference Efficiency
n
O
4.47 4.43 3.89 %
Diaphragm Area
S
D
490.9 490.9 490.9
cm
2
Los ses Electrical Resistance
R
ES
120.0 210.0 360.0 Ω
Voice Coil Inductance @ 1kHz
L
E
0.61 0.84 1.36 mH
CO NST RUCT IVE CHARACT ERIST ICS
Magnet Ferrite
Voice Coil Winding Copper
Voice Coil Former Kapton
Cone Material Paper
Surround Material Integrated Paper
Dust Dome Material Non-treated Cloth
Bas ket Material Press e d Sheet Steel
ELECT RICAL CHARACT ERIST ICS 4 Ω 8Ω 16 Ω
Nominal Impedance 4 8 16 Ω
Rated Power 100 100 100 W
Mus ical Power 200 200 200 W
Sensitivity@1W,1m 99.4 99.1 99.0 dB
2.7
126.0
4.391.0
35.0
277.0
307.0
n° 8 holes Ø 6.5
at 45° on Ø 293.5
8.0
Ø155.0
12/21/2015
Due to continuing product improvement, the features and the design are subject to change without notice.
Jens en Loudspeakers · webs ite: www.je ns ento ne.com · email: info@ jensento ne .com
2 5
100
2 5
1000
2 5
10k
2
+60
+65
+70
+75
+80
+85
+90
+95
+100
+105
+110
5
10
2
5
100
2
5
Frequency Response on IEC Baffle (DIN 45575) @ 1W, 1m - Free Air Impedance
Hz
dB SPL
Ω
C12K 4Ω
C12K 8Ω
C12K 16Ω
1