Jensen Vintage Ceramic Series
C12K
12", 100 watts, 4/8/16 Ω
A real workhorse, heavy on the mids with a solid, straightforward tone. When presented with overdrive distortion it powers through with lows that are bold and heavy.
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General Characteristics |
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| Nominal Overall Diameter | 307 mm | 12 in |
| Nominal Voice Coil Diameter | 50 mm | 2 in |
| Magnet Weight | 1450 g | 50 oz |
| Overall Weight | 9.65 lbs | |
| Flux Density | 1.10 T | |
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Thiele-Small Parameters |
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| Voice Coil DC Resistance | RE | 7.0 Ω |
| Resonance Frequency | ƒS | 104.0 Hz |
| Mechanical Q Factor | QMS | 20.41 |
| Electrical Q Factor | QES | .67 |
| Total Q Factor | QTS | .65 |
| Mechanical Moving Mass | MMS | 28.8 g |
| Mechanical Compliance | CMS | 82 µm/N |
| Force Factor | BxL | 13.95 Wb/m |
| Equivalent Acoustic Volume | VAS | 27.6 lt. |
| Maximum Linear Displacement | XMAX | 1.0 mm |
| Reference Efficiency | nO | 4.43 % |
| Diaphragm Area | SD | 490.9 cm2 |
| Losses Electrical Resistance | RES | 210 Ω |
| Voice Coil Inductance @ 1kHz | LE | 0.84 mH |
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Constructive Characteristics |
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| Magnet | Ferrite | |
| Voice Coil Winding | Copper | |
| Voice Coil Former | Kapton | |
| Cone | Paper | |
| Surround | Integrated Paper | |
| Dust Dome | Non Treated Cloth | |
| Basket | Pressed Sheet Steel | |
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Electrical Characteristics |
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| Nominal Impedance | 8 Ω | |
| Rated Power | 100 W | |
| Musical Power | 200 W | |
| Sensitivity@1W,1m | 99.1 db | |
