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JENSEN C12N 50WATT 4 OHM 12" CERAMIC MAGNET SPEAKER. USED IN MANY VINTAGE AMPS. FOR HELP WITH SPEAKER SELECTION DON'T SEE THE SPEAKER YOU WANT HERE? GIVE US A CALL. WE HAVE ACCESS TO A LARGE ARRAY OF SPEAKER TYPES AND BRANDS.
General Characteristics
Nominal Overall Diameter 307 mm 12 in
Nominal Voice Coil Diameter 38 mm 1.5 in
Magnet Weight 810 g 28.5 oz
Overall Weight 7.15 lbs
Flux Density 1.15 T
Thiele-Small Parameters
Voice Coil DC Resistance RE 6.50 Ω
Resonance Frequency ƒS 112.0 Hz
Mechanical Q Factor QMS 7.01
Electrical Q Factor QES 1.05
Total Q Factor QTS .92
Mechanical Moving Mass MMS 25.2 g
Mechanical Compliance CMS 82 µm/N
Force Factor BxL 10.39 Wb/m
Equivalent Acoustic Volume VAS 27.6 lt.
Maximum Linear Displacement XMAX 1.0 mm
Reference Efficiency nO 3.48 %
Diaphragm Area SD 490.8 cm2
Losses Electrical Resistance RES 42.5 Ω
Voice Coil Inductance @ 1kHz LE 0.9 mH
Constructive Characteristics
Magnet Ferrite
Voice Coil Winding Copper
Voice Coil Former Kapton
Cone Paper
Surround Integrated Paper
Dust Dome Solid Paper
Basket Pressed Sheet Steel
Electrical Characteristics
Nominal Impedance 4 OHM
Rated Power 50 W
Musical Power 100 W
Sensitivity@1W,1m 98.4 db
$ 140.00
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