General
Characteristics |
| Nominal Overall
Diameter |
306mm |
12
in |
| Nominal Voice Coil
Diameter |
38mm |
1.5
in |
| Magnet
Weight |
640g |
22.5
oz |
| Flux Density |
1.16T |
Thiele-Small
Parameters |
| Voice Coil DC
Resistance |
RE |
5
Ω |
| Resonance
Frequency |
ƒS |
79Hz |
| Mechanical Q
Factor |
QMS |
7.98 |
| Electrical Q
Factor |
QES |
0.96 |
| Total Q
Factor |
QTS |
0.85 |
| Mechanical Moving
Mass |
MMS |
30.5g |
| Mechanical
Compliance |
CMS |
135µm/N |
| Force Factor |
BxL |
8.98Wb/m |
| Equivalent Acoustic
Volume |
VAS |
45.5
lt. |
| Maximum Linear
Displacement |
XMAX |
1.5mm |
| Reference
Efficiency |
nO |
2.24% |
| Diaphragm
Area |
SD |
490.8cm2 |
| Losses Electrical
Resistance |
RES |
43 Ω
|
| Voice Coil Inductance
@ 1kHz |
LE |
0.54
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 |
8/16
Ω |
| Rated Power |
70W |
| Musical Power
|
140W |
| Sensitivity@1W,
1m |
97.5
dB | |
