Description
The epitome of British tone with a complete tonal balance. Grunt and punch in the lows, warm/tailored mids, and nice, clear, open/airy highs.
Manufacturer Spec Sheet
| Specification | |
| Nominal Basket Diameter | 12", 305 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | N/A |
| Watts | 75 W |
| Resonance | 79 Hz |
| Usable Frequency Range | 80 Hz - 5.5 kHz |
| Sensitivity* | 102.2 dB |
| Magnet Weight | 56 oz. |
| Gap Height | 0.31", 8 mm |
| Voice Coil Diameter | 1.75", 44 mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 79 Hz |
| DC Resistance (Re) | 6.89 Ω |
| Coil Inductance (Le) | 0.52m H |
| Mechanical Q (Qms) | 15.07 |
| Electromagnetic Q (Qes) | 0.43 |
| Total Q (Qts) | 0.42 |
| Compliance Equivalent Volume (Vas) | 52.45 liters / 1.85 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 64 cc |
| Mechanical Compliance of Suspension (Cms) | 0.14 mm/N |
| BL Product (BL) | 15 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 28 grams |
| Efficiency Bandwidth Product (EBP) | 183 |
| Maximum Linear Excursion (Xmax) | 1.23 mm |
| Surface Area of Cone (Sd) | 519.5 cm2 |
| Maximum Mechanical Limit (Xlim) | 0 mm |
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | N/a |
| Vented | N/a |
| Driver Volume Displaced | 0.079 cu.ft. / 2.25 liters |
| Overall Diameter | 12.17", 309.1 mm |
| Baffle Hole Diameter | 11.13", 282.7 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.24", 6.1mm |
| Mounting Holes B.C.D. | 11.75", 298.5mm |
| Depth | 5.25", 133.4 mm |
| Net Weight | 10.8 lbs, 4.9 kg |
| Shipping Weight | 12.5 lbs, 5.67 kgs |
| Materials of Construction | |
| Coil Construction | Copper voice coil |
| Coil Former | Nomex 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 |