8"- 50W AlNiCo Guitar Loudspeaker
P 8 R - 16
Ω
Code ZJ04045
GENERAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
Nominal Overall Diameter .................
207 mm Nominal
Impedance...........................
16
Ω
Nominal Voice Coil Diameter ..............
25 mm Musical
Power .................................
50
W
Magnet Weight ...............................
200 g
Rated
Power* ..................................
25
W
Flux Density...................................
0.96 T
Sensitivity @ 1 W, 1 m .......................
93.8 dB
Weight .........................................
1.20 Kg
THIELE-SMALL PARAMETERS
Voice Coil DC Resistance ...........
R
E
12.10
Ω
Resonance Frequency ...............
f
s
126.2 Hz
Mechanical Q Factor.................
Q
MS
9.86
Electrical Q Factor...................
Q
ES
1.85
Total Q Factor........................
Q
TS
1.56
Mechanical Moving Mass ............
M
MS
9.7 g
Mechanical Compliance.............
C
MS
163
µ
m/N
Force Factor ..........................
B×l
7.12 Wb/m
Equivalent Acoustic Volume........
V
AS
10.5 lt.
Maximum Linear Displacement ....
X
MAX
+/-1.0 mm
Reference Efficiency ................
η
0
1.10 %
Diaphragm Area ......................
S
D
213.8 cm
2
Losses Electrical Resistance........
R
ES
64.5
Ω
Voice Coil Inductance @ 1kHz .....
L
E
0.71 mH
CONSTRUCTIVE CHARACTERISTICS
Magnet.................................
AlNiCo
Voice Coil Winding...................
Copper
Voice Coil Former....................
Kapton
Cone ...................................
Paper
Surround...............................
Paper - Integrated
Dust Dome ............................
Solid Paper
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.
12/09/08
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
49
.0
1.
0
n°4 holes Ø 8 × 5
at 90° on Ø 197.0
49.5
6.0
98
.5
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