General Characteristics |
| Nominal
Overall Diameter |
385mm |
15
in |
| Nominal
Voice Coil Diameter |
75
mm |
3
in |
| Magnet
Weight |
360
g |
12.70
oz |
| Overall Weight |
8.85 lbs |
| Flux
Density |
1.20
T |
Thiele-Small Parameters |
| Voice
Coil DC Resistance |
RE |
6.57Ω |
| Resonance
Frequency |
ƒS |
42.8Hz |
| Mechanical
Q Factor |
QMS |
11.43 |
| Electrical
Q Factor |
QES |
0.35 |
| Total
Q Factor |
QTS |
0.34 |
| Mechanical
Moving Mass |
MMS |
57.2
g |
| Mechanical
Compliance |
CMS |
243µm/N |
| Force
Factor |
BxL |
17.07
Wb/m |
| Equivalent
Acoustic Volume |
VAS |
194.3
lt. |
| Maximum
Linear Displacement |
XMAX |
2.5
mm |
| Reference
Efficiency |
nO |
4.22
% |
| Diaphragm
Area |
SD |
754.7
cm2 |
| Losses
Electrical Resistance |
RES |
216.8Ω |
| Voice
Coil Inductance @ 1kHz |
LE |
1.22
mH |
Constructive Characteristics |
| Magnet |
Neodymium |
| Voice
Coil Winding |
Copper |
| Voice
Coil Former |
Kapton |
| Cone |
Paper |
| Surround |
Treated
Cloth |
| Dust
Dome |
Solid
Paper |
| Basket |
Pressed
Sheet Steel |
|
Electrical Characteristics |
| Nominal
Impedance |
8
Ω
|
| Rated
Power |
300
W
|
| Musical
Power |
600
W
|
| Sensitivity@1W,
1m |
99.1
dB
|
|
