General Characteristics |
| Nominal
Overall Diameter |
385mm |
15
in |
| Nominal
Voice Coil Diameter |
50mm |
2
in |
| Magnet
Weight |
810
g |
28.5
oz |
| Overall Weight |
9.25 lbs |
| Flux
Density |
1.00
T |
Thiele-Small Parameters |
| Voice
Coil DC Resistance |
RE |
4.94
Ω |
| Resonance
Frequency |
ƒS |
47.5
Hz |
| Mechanical
Q Factor |
QMS |
5.59 |
| Electrical
Q Factor |
QES |
0.89 |
| Total
Q Factor |
QTS |
0.77 |
| Mechanical
Moving Mass |
MMS |
59.0
g |
| Mechanical
Compliance |
CMS |
191 µm/N |
| Force
Factor |
BxL |
9.87
Wb/m |
| Equivalent
Acoustic Volume |
VAS |
153
lt. |
| Maximum
Linear Displacement |
XMAX |
1.0
mm |
| Reference
Efficiency |
nO |
1.76 % |
| Diaphragm
Area |
SD |
754.8 cm2 |
| Losses
Electrical Resistance |
RES |
31
Ω |
| Voice
Coil Inductance @ 1kHz |
LE |
0.70
mH |
Constructive Characteristics |
| Magnet |
Ferrite |
| Voice
Coil Winding |
Copper |
| Voice
Coil Former |
Aluminum |
| Cone |
Paper |
| Surround |
Integrated Paper |
| Dust
Dome |
Solid
Paper |
| Basket |
Pressed
Sheet Steel |
|
Electrical Characteristics |
| Nominal
Impedance |
8
Ω |
| Rated
Power |
120
W |
| Musical
Power |
240
W |
| Sensitivity@1W,
1m |
96.5
dB |
|
