Description
Circa 1959 tone in a vintage American alnico magnet design approved by George Alessandro. Tight, punchy, percussive lows and top end chime with sparkle. A nice bright musical Tweed tone.
Manufacturer Spec Sheet
| Specification | |
| Nominal Basket Diameter | 10", 254 mm |
| Nominal Impedance* | 8 Ω |
| Power Rating* | |
| Program Power | N/A |
| Watts | 20 W |
| Resonance | 102 Hz |
| Usable Frequency Range | 100 Hz - 5.3 kHz |
| Sensitivity* | 97 dB |
| Magnet Weight | 6 oz. |
| Gap Height | 0.25", 6.35 mm |
| Voice Coil Diameter | 1", 25 mm |
| Thiele & Small Parameters | |
| Resonant Frequency (fs) | 102 Hz |
| DC Resistance (Re) | 7.58 Ω |
| Coil Inductance (Le) | 0.44m H |
| Mechanical Q (Qms) | 19.66 |
| Electromagnetic Q (Qes) | 1.67 |
| Total Q (Qts) | 1.54 |
| Compliance Equivalent Volume (Vas) | 27.91 liters / 0.99 cu.ft. |
| Peak Diaphragm Displacement Volume (Vd) | 58.21 cc |
| Mechanical Compliance of Suspension (Cms) | 0.15 mm/N |
| BL Product (BL) | 6.94 T-M |
| Diaphragm Mass Inc. Airload (MMs) | 17 grams |
| Efficiency Bandwidth Product (EBP) | 61 |
| Maximum Linear Excursion (Xmax) | 1.59 mm |
| Surface Area of Cone (Sd) | 366.1 cm2 |
| Maximum Mechanical Limit (Xlim) | 0 mm |
| Mounting Information | |
| Recommended Enclosure Volume | |
| Sealed | Acceptable |
| Vented | Acceptable |
| Driver Volume Displaced | 0.027 cu.ft. / 0.77 liters |
| Overall Diameter | 10.11", 256.8 mm |
| Baffle Hole Diameter | 9.13", 231.9 mm |
| Front Sealing Gasket | Yes |
| Rear Sealing Gasket | Yes |
| Mounting Holes Diameter | 0.22", 5.6mm |
| Mounting Holes B.C.D. | 9.6", 243.8mm |
| Depth | 4.8", 121.9 mm |
| Net Weight | 2.9 lbs, 1.32 kg |
| Shipping Weight | 4 lbs, 1.81 kgs |
| Materials of Construction | |
| Coil Construction | Copper voice coil |
| Coil Former | Paper former |
| Magnet Composition | Alnico magnet |
| Core Details | Non-vented core |
| Basket Materials | Pressed steel basket |
| Cone Composition | Full molded Paper cone |
| Cone Edge Composition | Paper cone edge |
| Dust Cap Composition | Solid composition felt dust cap |