 
| LEGEND 1258 |
|
| American growl, but with sparkle, definition and edgy top-end. Very vintage! |
 |
| SPECIFICATION |
|
 |
| Nominal Basket Diameter |
12", 304.8mm |
| Nominal Impedance* |
8 ohms |
| Power Rating |
|
 Watts |
75W |
| Music Program |
|
| 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 |
|
|
|
| THIELE & SMALL PARAMETERS |
|
|
| Resonant Frequency (fs) |
94Hz |
|
| DC Resistance (Re) |
7.44 |
|
| Coil Inductance (Le) |
0.70mH |
|
| 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 |
|
| BL Product (BL) |
10.9 T-M |
|
| Diaphram Mass inc. Airload (Mms) |
32 grams |
|
| Efficiency Bandwidth Product (EBP) |
80 |
|
| Maximum Linear Excursion (Xmax) |
0.5mm |
|
| Surface Area of Cone (Sd) |
506.7 cm2 |
|
| Maximum Mechanical Limit (Xlim) |
|
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|
|
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| MOUNTING INFORMATION |
|
|
| Recommended Enclosure |
|
|
| Sealed |
|
|
| Vented |
Acceptable |
|
| Overall Diameter |
12.03", 305.5mm |
|
| Baffle Hole Diameter |
10.95", 278.1mm |
|
| Front Sealing Gasket |
fitted as standard |
|
| Rear Sealing Gasket |
fitted as standard |
|
| Mounting Holes Diameter |
0.25", 6.4mm |
|
| Mounting Holes B.C. D. |
11.59", 294.3mm |
|
| Depth |
4.9", 125mm |
|
| Net Weight |
7.8 lbs., 3.5 kg |
|
| Shipping Weight |
9.9 lbs., 4.5 kg |
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|
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| 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 |
|
| Dustcap Composition |
Solid composition paper dust cap |
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