General Characteristics |
| Nominal Overall Diameter |
385mm |
15 in |
| Nominal Voice Coil Diameter |
75 mm |
2 in |
| Magnet Weight |
360 g |
12.70 oz |
| Flux Density |
1.20 T |
Thiele-Small Parameters |
| Voice Coil DC Resistance |
RE |
6.57Ω |
| Resonance Frequency |
ÆS |
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 | |