12"- 140W Ceramic Guitar Loudspeaker
C 12/70 EL - 16
Ω
Code ZJ06385
GENERAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
Nominal Overall Diameter .................
307 mm Nominal
Impedance...........................
16
Ω
Nominal Voice Coil Diameter ..............
50 mm Musical
Power .................................
140
W
Magnet Weight ...............................
1450 g
Rated
Power* ..................................
70
W
Flux Density...................................
1.15 T
Sensitivity @ 1 W, 1 m .......................
98.1 dB
Weight .........................................
4.50 Kg
THIELE-SMALL PARAMETERS
Voice Coil DC Resistance ...........
R
E
11.94
Ω
Resonance Frequency ...............
f
s
93.0 Hz
Mechanical Q Factor.................
Q
MS
14.50
Electrical Q Factor...................
Q
ES
0.93
Total Q Factor........................
Q
TS
0.88
Mechanical Moving Mass ............
M
MS
28.3 g
Mechanical Compliance.............
C
MS
103
µ
m/N
Force Factor ..........................
B×l
14.56 Wb/m
Equivalent Acoustic Volume........
V
AS
35.3 lt.
Maximum Linear Displacement ....
X
MAX
+/-1.0 mm
Reference Efficiency ................
η
0
2.92 %
Diaphragm Area ......................
S
D
490.9 cm
2
Losses Electrical Resistance........
R
ES
185.7
Ω
Voice Coil Inductance @ 1kHz .....
L
E
0.80 mH
CONSTRUCTIVE CHARACTERISTICS
Magnet.................................
Ferrite
Voice Coil Winding...................
Aluminium
Voice Coil Former....................
Kapton
Cone ...................................
Paper
Surround...............................
Paper - Integrated
Dust Dome ............................
Non Treated Cloth
Basket ................................. Pressed Sheet Steel
Frequency Response on IEC Baffle (DIN 45575) @ 1 W, 1 m – Free Air Impedance
Due to continuing product improvement, the features and the design are subject to change without notice.
15/07/11
SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006
307.0
n° 8 holes Ø 6.5
at 45° on Ø 293.5
277.0
4.3
12
6
.0
91.0
8.0
2.7
35.0
Ø 155.0
3
5 0 0
5
1 0
2 0
5 0
1 0 0
2 0 0
Ω
+ 6 0
+ 1 1 0
+ 6 5
+ 7 0
+ 7 5
+ 8 0
+ 8 5
+ 9 0
+ 9 5
+ 1 0 0
+ 1 0 5
d
B
S
P
L
2 0
2 0 k
5 0 1 0 0 2 0 0
5 0 0 1 k 2 k
5 k 1 0 k
H z
*rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure
Thiele-Small parameters measured with LASER system