| SPECIFICATION |
| Nominal Basket Diameter |
12", 305 mm |
| Nominal Impedance* |
8 Ω |
| Power Rating* |
| Program Power |
800 W |
| Watts |
400 W |
| Resonance |
55 Hz |
| Usable Frequency Range |
54 Hz - 5 kHz |
| Sensitivity* |
98.3 dB |
| Magnet Weight |
56 oz. |
| Gap Height |
0.375", 9.5 mm |
| Voice Coil Diameter |
2.5", 64 mm |
| THIELE & SMALL PARAMETERS |
| Resonant Frequency (fs) |
55 Hz |
| DC Resistance (Re) |
6.3 Ω |
| Coil Inductance (Le) |
0.74m H |
| Mechanical Q (Qms) |
5.27 |
| Electromagnetic Q (Qes) |
0.46 |
| Total Q (Qts) |
0.43 |
| Compliance Equivalent Volume (Vas) |
81.3 liters / 2.87 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) |
125 cc |
| Mechanical Compliance of Suspension (Cms) |
0.21 mm/N |
| BL Product (BL) |
13.5 T-M |
| Diaphragm Mass Inc. Airload (MMs) |
39 grams |
| Efficiency Bandwidth Product (EBP) |
120 |
| Maximum Linear Excursion (Xmax) |
2.4 mm |
| Surface Area of Cone (Sd) |
519.5 cm2 |
| Maximum Mechanical Limit (Xlim) |
9.9 mm |
| MOUNTING INFORMATION |
| Recommended Enclosure Volume |
| Sealed |
N/a |
| Vented |
25.5-85 liters / 0.9-3 cu.ft. |
| Driver Volume Displaced |
0.079 cu.ft. / 2.25 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 |
5.35", 135.9 mm |
| Net Weight |
11.4 lbs, 5.17 kg |
| Shipping Weight |
13.5 lbs, 6.12 kgs |
| MATERIALS OF CONSTRUCTION |
| Coil Construction |
Aluminum voice coil |
| Coil Former |
Polyimide former |
| Magnet Composition |
Ferrite magnet |
| Core Details |
Vented core |
| |
|
| Basket Materials |
Pressed steel basket |
| Cone Composition |
Paper cone |
| Cone Edge Composition |
Cloth cone edge |
| Dust Cap Composition |
Solid composition felt dust cap |
