General Characteristics |
| Nominal
Overall Diameter |
385mm |
15
in |
| Nominal
Voice Coil Diameter |
65
mm |
2.5
in |
| Magnet
Weight |
220
g |
7.75
oz |
| Overall Weight |
6.65 lbs |
| Flux
Density |
1.14
T |
Thiele-Small Parameters |
| Voice
Coil DC Resistance |
RE |
5.68Ω |
| Resonance
Frequency |
ƒS |
74.8
Hz |
| Mechanical
Q Factor |
QMS |
10.30 |
| Electrical
Q Factor |
QES |
0.72 |
| Total
Q Factor |
QTS |
0.67 |
| Mechanical
Moving Mass |
MMS |
55.6
g |
| Mechanical
Compliance |
CMS |
81
µm/N |
| Force
Factor |
BxL |
14.35
Wb/m |
| Equivalent
Acoustic Volume |
VAS |
65.6
lt. |
| Maximum
Linear Displacement |
XMAX |
+/-
2.0 mm |
| Reference
Efficiency |
nO |
3.66
% |
| Diaphragm
Area |
SD |
754.7
cm2 |
| Losses
Electrical Resistance |
RES |
81.1Ω |
| Voice
Coil Inductance @ 1kHz |
LE |
0.68
mH |
Constructive Characteristics |
| Magnet |
Neodymium |
| Voice
Coil Winding |
Aluminum |
| Voice
Coil Former |
Kapton |
| Cone |
Paper |
| Surround |
Paper
- Integrated |
| Dust
Dome |
Non
Treated Cloth |
| Basket |
Pressed
Sheet Steel |
|
Electrical Characteristics |
| Nominal
Impedance |
8
Ω
|
| Rated
Power |
150
W
|
| Musical
Power |
300
W
|
| Sensitivity@1W,
1m |
99.3
dB
|
|
