General Characteristics |
| Nominal
Overall Diameter |
207mm |
8
in |
| Nominal
Voice Coil Diameter |
25mm |
1
in |
| Magnet
Weight |
160
g |
5.6
oz |
| Overall Weight |
1.50 lbs |
| Flux
Density |
1.00
T |
Thiele-Small Parameters |
| Voice
Coil DC Resistance |
RE |
6.50Ω |
| Resonance
Frequency |
ƒS |
119.4 Hz |
| Mechanical
Q Factor |
QMS |
19.88 |
| Electrical
Q Factor |
QES |
2.52 |
| Total
Q Factor |
QTS |
2.24 |
| Mechanical
Moving Mass |
MMS |
10.3
g |
| Mechanical
Compliance |
CMS |
173
µm/N |
| Force
Factor |
BxL |
4.45
Wb/m |
| Equivalent
Acoustic Volume |
VAS |
11.1
lt. |
| Maximum
Linear Displacement |
XMAX |
1.0
mm |
| Reference
Efficiency |
nO |
0.72
% |
| Diaphragm
Area |
SD |
213.8
cm2 |
| Losses
Electrical Resistance |
RES |
51.1Ω |
| Voice
Coil Inductance @ 1kHz |
LE |
0.40
mH |
Constructive Characteristics |
| Magnet |
Ferrite |
| Voice
Coil Winding |
Copper |
| Voice
Coil Former |
Epotex |
| Cone |
Paper |
| Surround |
Integrated
Paper |
| Dust
Dome |
Non
Treated Cloth |
| Basket |
Pressed
Sheet Steel |
|
Electrical Characteristics |
| Nominal
Impedance |
8Ω
|
| Rated
Power |
20
W
|
| Musical
Power |
40
W
|
| Sensitivity@1W,
1m |
93.2
dB
|
|
