| SPECIFICATION |
| Nominal Basket Diameter |
12″, 305 mm |
| Nominal Impedance* |
8 Ω |
| Power Rating* |
| Program Power |
1000 W |
| Watts |
500 W |
| Resonance |
51 Hz |
| Usable Frequency Range |
44 Hz – 3 kHz |
| Sensitivity* |
94.6 dB |
| Magnet Weight |
56 oz. |
| Gap Height |
0.37″, 9.5 mm |
| Voice Coil Diameter |
2.5″, 64 mm |
| THIELE & SMALL PARAMETERS |
| Resonant Frequency (fs) |
51 Hz |
| DC Resistance (Re) |
6.06 Ω |
| Coil Inductance (Le) |
1.45m H |
| Mechanical Q (Qms) |
7.28 |
| Electromagnetic Q (Qes) |
0.51 |
| Total Q (Qts) |
0.47 |
| Compliance Equivalent Volume (Vas) |
67.9 liters / 2.4 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) |
243 cc |
| Mechanical Compliance of Suspension (Cms) |
0.19 mm/N |
| BL Product (BL) |
14.1 T-M |
| Diaphragm Mass Inc. Airload (MMs) |
51 grams |
| Efficiency Bandwidth Product (EBP) |
100 |
| Maximum Linear Excursion (Xmax) |
4.8 mm |
| Surface Area of Cone (Sd) |
506.7 cm2 |
| Maximum Mechanical Limit (Xlim) |
13.5 mm |
| MOUNTING INFORMATION |
| Recommended Enclosure Volume |
| Sealed |
19.8-28 liters / 0.7-1 cu.ft. |
| Vented |
25.5-102 liters / 0.9-3.6 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 |
11.8 lbs, 5.35 kg |
| Shipping Weight |
14 lbs, 6.35 kgs |
| MATERIALS OF CONSTRUCTION |
| Coil Construction |
Copper voice coil |
| Coil Former |
Polyimide former |
| Magnet Composition |
Ferrite magnet |
| Core Details |
Vented and extended core |
|
|
| Basket Materials |
Pressed steel basket |
| Cone Composition |
Paper cone |
| Cone Edge Composition |
Cloth cone edge |
| Dust Cap Composition |
Solid composition paper dust cap |
