Description
A British voiced speaker reminiscent of classic OEM tones from the past with tight, punchy lows, warm mids, and crisp, articulate, open 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 | 111 Hz |
| Usable Frequency Range | 80 Hz - 5.1 kHz |
| Sensitivity* | 101.1 dB |
| Magnet Weight | 34 oz. |
| Gap Height | 0.31", 8 mm |
| Voice Coil Diameter | 1.5", 38 mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 111 Hz |
| DC Resistance (Re) | 7.36 Ω |
| Coil Inductance (Le) | 0.55m H |
| Mechanical Q (Qms) | 15.07 |
| Electromagnetic Q (Qes) | 1.09 |
| Total Q (Qts) | 1.02 |
| Compliance Equivalent Volume (Vas) | 29.61 liters / 1.05 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 25.9 cc |
| Mechanical Compliance of Suspension (Cms) | 0.07 mm/N |
| BL Product (BL) | 11.95 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 30 grams |
| Efficiency Bandwidth Product (EBP) | 101 |
| Maximum Linear Excursion (Xmax) | 0.47 mm |
| Surface Area of Cone (Sd) | 552 cm2 |
| Maximum Mechanical Limit (Xlim) | N/A |
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | Acceptable |
| Vented | N/a |
| Driver Volume Displaced | 0.068 cu.ft. / 1.93 liters |
| Overall Diameter | 12.26", 311.4 mm |
| Baffle Hole Diameter | 11.06", 280.9 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.25", 6.4mm |
| Mounting Holes B.C.D. | 11.71", 297.4mm |
| Depth | 4.44", 112.8 mm |
| Net Weight | 7 lbs, 3.18 kg |
| Shipping Weight | 9 lbs, 4.08 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 |