Jensen Vintage Alnico Series
P12N
12", 50 watts, 8/16 Ω
Very warm and full bodied tone with powerful mid-bite and sparkling highs. When presented with overdrive distortion, it displays a bright and colorful crunch.
Press play to listen to a sound sample!
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General Characteristics |
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| Nominal Overall Diameter | 307 mm | 12 in |
| Nominal Voice Coil Diameter | 38 mm | 1.5 in |
| Magnet Weight | 826 g | 29 oz |
| Overall Weight | 6.80 lbs | |
| Flux Density | 1.26 T | |
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Thiele-Small Parameters |
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| Voice Coil DC Resistance | RE | 6.20 Ω |
| Resonance Frequency | ƒS | 90.0 Hz |
| Mechanical Q Factor | QMS | 5.72 |
| Electrical Q Factor | QES | 0.82 |
| Total Q Factor | QTS | 0.72 |
| Mechanical Moving Mass | MMS | 26.7 g |
| Mechanical Compliance | CMS | 119 µm/N |
| Force Factor | BxL | 10.64 Wb/m |
| Equivalent Acoustic Volume | VAS | 40.2 lt. |
| Maximum Linear Displacement | XMAX | 1.0 mm |
| Reference Efficiency | nO | 3.4 % |
| Diaphragm Area | SD | 490.8 cm2 |
| Losses Electrical Resistance | RES | 43.0 Ω |
| Voice Coil Inductance @ 1kHz | LE | 0.87 mH |
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Constructive Characteristics |
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| Magnet | AlNiCo | |
| Voice Coil Winding | Copper | |
| Voice Coil Former | Kapton | |
| Cone | Paper | |
| Surround | Integrated Paper | |
| Dust Dome | Solid Paper | |
| Basket | Pressed Sheet Steel | |
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Electrical Characteristics |
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| Nominal Impedance | 8 Ω | |
| Rated Power | 50 W | |
| Musical Power | 100 W | |
| Sensitivity@1W,1m | 98.4 dB | |
