8"- 50W AlNiCo Guitar Loudspeaker
P 8 R - 8 Ω
Code ZJ04040
GENERAL CHARACTERISTICS
.................Nominal Overall Diameter |
|
207 |
mm |
Nominal Voice Coil Diameter .............. |
|
25 |
mm |
Magnet Weight ............................... |
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200 |
g |
Flux Density................................... |
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0.96 |
T |
Weight ......................................... |
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1.20 |
Kg |
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THIELE-SMALL PARAMETERS |
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Voice Coil DC Resistance ........... |
RE |
6.70 |
Ω |
Resonance Frequency ............... |
fs |
130.0 |
Hz |
Mechanical Q Factor................. |
QMS |
9.18 |
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Electrical Q Factor................... |
QES |
2.30 |
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Total Q Factor........................ |
QTS |
1.84 |
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Mechanical Moving Mass ............ |
MMS |
9.3 |
g |
Mechanical Compliance............. |
CMS |
161 |
µm/N |
Force Factor .......................... |
B×l |
4.72 |
Wb/m |
Equivalent Acoustic Volume........ |
VAS |
10.3 |
lt. |
Maximum Linear Displacement .... |
XMAX |
+/-1.0 |
mm |
Reference Efficiency ................ |
η0 |
0.95 |
% |
Diaphragm Area ...................... |
SD |
213.8 |
cm2 |
Losses Electrical Resistance........ |
RES |
27.0 |
Ω |
Voice Coil Inductance @ 1kHz ..... |
LE |
0.36 |
mH |
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CONSTRUCTIVE CHARACTERISTICS |
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Magnet................................. |
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AlNiCo |
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Voice Coil Winding................... |
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Copper |
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Voice Coil Former.................... |
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Epotex |
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Cone ................................... |
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Paper |
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Surround............................... |
Paper - Integrated |
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Dust Dome ............................ |
Treated Cloth |
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Basket ................................. |
Pressed Sheet Steel |
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ELECTRICAL CHARACTERISTICS |
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Nominal Impedance........................... |
8 |
Ω |
Musical Power ................................. |
50 |
W |
Rated Power* .................................. |
25 |
W |
Sensitivity @ 1 W, 1 m ....................... |
92.5 |
dB |
n°4 holes Ø 8 × 5 |
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at 90° on Ø 197.0 |
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207.0 |
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<![if ! IE]> <![endif]>178.5 |
| <![if ! IE]> <![endif]>1.0 |
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<![if ! IE]> <![endif]>5.0 |
| <![if ! IE]> <![endif]>98.5 |
<![if ! IE]> <![endif]>6.0 |
<![if ! IE]> <![endif]>49.0 |
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<![if ! IE]> <![endif]>49.5 |
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*rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure
Frequency Response on IEC Baffle (DIN 45575) @ 1 W, 1 m – Free Air Impedance
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+ 1 1 0 |
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5 0 0 |
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+ 1 0 5 |
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+ 1 0 0 |
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2 0 0 |
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+ 9 5 |
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1 0 0 |
d |
+ 9 0 |
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B |
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5 0 |
S |
+ 8 5 |
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Ω |
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P |
+ 8 0 |
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L |
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2 0 |
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+ 7 5 |
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1 0 |
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+ 7 0 |
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+ 6 5 |
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5 |
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3 |
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+ 6 0 |
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2 0 |
5 0 |
1 0 0 |
2 0 0 |
5 0 0 |
1 k |
2 k |
5 k |
1 0 k |
2 0 k |
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H z |
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Due to continuing product improvement, the features and the design are subject to change without notice. |
25/03/11 |
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SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006
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