| SPECIFICATION |
| Nominal Basket Diameter |
12", 305 mm |
| Nominal Impedance* |
4 Ω |
| Power Rating* |
| Program Power |
N/A |
| Watts |
150 W |
| Resonance |
89 Hz |
| Usable Frequency Range |
70 Hz - 4 kHz |
| Sensitivity* |
99 dB |
| Magnet Weight |
38 oz. |
| Gap Height |
0.312", 7.9 mm |
| Voice Coil Diameter |
2", 51 mm |
| THIELE & SMALL PARAMETERS |
| Resonant Frequency (fs) |
89 Hz |
| DC Resistance (Re) |
3.78 Ω |
| Coil Inductance (Le) |
0.5m H |
| Mechanical Q (Qms) |
21.11 |
| Electromagnetic Q (Qes) |
0.7 |
| Total Q (Qts) |
0.68 |
| Compliance Equivalent Volume (Vas) |
39 liters / 1.38 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) |
42 cc |
| Mechanical Compliance of Suspension (Cms) |
0.11 mm/N |
| BL Product (BL) |
9.5 T-M |
| Diaphragm Mass Inc. Airload (MMs) |
30 grams |
| Efficiency Bandwidth Product (EBP) |
126 |
| Maximum Linear Excursion (Xmax) |
0.8 mm |
| Surface Area of Cone (Sd) |
519.5 cm2 |
| Maximum Mechanical Limit (Xlim) |
N/A |
| MOUNTING INFORMATION |
| Recommended Enclosure Volume |
| Sealed |
Acceptable |
| Vented |
Acceptable |
| Driver Volume Displaced |
0.071 cu.ft. / 2 liters |
| Overall Diameter |
12.03", 305.6 mm |
| Baffle Hole Diameter |
11.07", 281.2 mm |
| Front Sealing Gasket |
Yes |
| Rear Sealing Gasket |
Yes |
| Mounting Holes Diameter |
0.25", 6.4mm |
| Mounting Holes B.C.D. |
11.59", 294.4mm |
| Depth |
5.1", 129.5 mm |
| Net Weight |
8.3 lbs, 3.76 kg |
| Shipping Weight |
10 lbs, 4.54 kgs |
| MATERIALS OF CONSTRUCTION |
| Coil Construction |
Copper voice coil |
| Coil Former |
Polyimide former |
| Magnet Composition |
Ferrite magnet |
| Core Details |
Non-vented core |
| |
|
| Basket Materials |
Pressed steel basket |
| Cone Composition |
Paper cone |
| Cone Edge Composition |
Paper cone edge |
| Dust Cap Composition |
Zurette dust cap |
