| LEGEND 1258 |
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| American growl, but with sparkle, definition and edgy top-end. Very vintage! |
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| SPECIFICATION |
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| Nominal Basket Diameter |
12", 304.8mm |
| Nominal Impedance* |
8 ohms |
| Power Rating |
|
 Watts |
75W |
| Music Program |
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| Resonance |
94Hz |
| Usable Frequency Range |
80Hz-4kHz |
| Sensitivity*** |
100.1 |
| Magnet Weight |
34 oz. |
| Gap Height |
0.312", 7.92mm |
| Voice Coil Diameter |
1.5", 38.1mm |
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| THIELE & SMALL PARAMETERS |
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| Resonant Frequency (fs) |
94Hz |
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| DC Resistance (Re) |
7.44 |
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| Coil Inductance (Le) |
0.70mH |
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| Mechanical Q (Qms) |
6.15 |
| Electromagnetic Q (Qes) |
1.18 |
| Total Q (Qts) |
0.99 |
| Compliance Equivalent Volume (Vas) |
32.5 liters / 1.2 cu.ft. |
| Mechanical Compliance of Suspension (Cms) |
0.09mm/N |
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| BL Product (BL) |
10.9 T-M |
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| Diaphram Mass inc. Airload (Mms) |
32 grams |
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| Efficiency Bandwidth Product (EBP) |
80 |
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| Maximum Linear Excursion (Xmax) |
0.5mm |
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| Surface Area of Cone (Sd) |
506.7 cm2 |
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| Maximum Mechanical Limit (Xlim) |
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| MOUNTING INFORMATION |
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| Recommended Enclosure |
|
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| Sealed |
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| Vented |
Acceptable |
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| Overall Diameter |
12.03", 305.5mm |
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| Baffle Hole Diameter |
10.95", 278.1mm |
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| Front Sealing Gasket |
fitted as standard |
|
| Rear Sealing Gasket |
fitted as standard |
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| Mounting Holes Diameter |
0.25", 6.4mm |
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| Mounting Holes B.C. D. |
11.59", 294.3mm |
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| Depth |
4.9", 125mm |
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| Net Weight |
7.8 lbs., 3.5 kg |
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| Shipping Weight |
9.9 lbs., 4.5 kg |
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| MATERIALS OF CONSTRUCTION |
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| Coil Construction |
Copper voice coil |
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| Coil Former |
Polyimide former |
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| Magnet Composition |
Ferrite magnet |
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| Core Details |
Non-vented core |
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| Basket Materials |
Pressed steel basket |
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| Cone Composition |
Paper Cone |
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| Cone Edge Composition |
Paper cone edge |
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| Dustcap Composition |
Solid composition paper dust cap |
