8"- 70W Ceramic Guitar Loudspeaker
CH 8/35 - 8
Ω
Code ZJ04100
GENERAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
Nominal Overall Diameter .................
207 mm Nominal
Impedance...........................
8
Ω
Nominal Voice Coil Diameter ..............
25 mm Musical
Power .................................
70
W
Magnet Weight ...............................
270 g
Rated
Power* ..................................
35
W
Flux Density...................................
1.10 T
Sensitivity @ 1 W, 1 m .......................
95.3 dB
Weight .........................................
0.95 Kg
THIELE-SMALL PARAMETERS
Voice Coil DC Resistance ...........
R
E
6.50
Ω
Resonance Frequency ...............
f
s
136.0 Hz
Mechanical Q Factor.................
Q
MS
17.18
Electrical Q Factor...................
Q
ES
1.33
Total Q Factor........................
Q
TS
1.23
Mechanical Moving Mass ............
M
MS
9.5 g
Mechanical Compliance.............
C
MS
144
µ
m/N
Force Factor ..........................
B×l
6.23 Wb/m
Equivalent Acoustic Volume........
V
AS
9.3 lt.
Maximum Linear Displacement ....
X
MAX
+/-0.5 mm
Reference Efficiency ................
η
0
1.70 %
Diaphragm Area ......................
S
D
213.8 cm
2
Losses Electrical Resistance........
R
ES
82.0
Ω
Voice Coil Inductance @ 1kHz .....
L
E
0.66 mH
CONSTRUCTIVE CHARACTERISTICS
Magnet.................................
Ferrite
Voice Coil Winding...................
Copper
Voice Coil Former....................
Epotex
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 - Impedance
Due to continuing product improvement, the features and the design are subject to change without notice.
04/10/05
SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006
207.0
17
8.
5
5.0
1.0
n°4 holes Ø 8 × 5
at 90° on Ø 197.0
Ø 86.0
69
.8
20
.8
5.0
49
.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