Product Details
Speaker, Jensen® Vintage Alnico, 12", P12N, 50W, no bell, Impedance: 8 Ω
  • P-A-P12N-NB-8
  • Sold individually

The AlNiCo P12N is surely one of the most iconic Jensen speakers of the late ‘50s. Visually impressive because of the big bell cover on the magnet, it is the highest powered 12” speaker in the range. Among others, the P12N was used in the high-end amps of the time such as the Fender® Tweed Twin. Crystal clear in the treble range with transparent mids and powerful but tight bass, it is the “King of Clean Tones”.

Guitarist Description: 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.

  • Lows: Loose
  • Mids: Aggressive
  • Highs: Bright
  • Overdrive: Edgy

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Measurements
Product Measurements:
Basket MaterialPressed Sheet Steel
Cone MaterialPaper
Depth3.8582 in.
Diameter12 in.
Diaphragm Area (SD)490.90 cm2
Dust Dome MaterialSolid Paper
Equivalent Acoustic Volume (VAS)34.60 liters
Flux Density1.26 T
Force Factor (BxL)10.62 Wb/m
Inner Diameter10.9055 in.
Linear Displacement, maximum (XMAX)1.00 mm
Losses Electrical Resistance (RES)43.00 Ω
Magnet Assembly Depth2.0078 in.
Magnet Assembly Diameter3.8582 in.
Magnetic Gap Depth8.00 mm
Magnet TypeAlnico
Mechanical Compliance (CMS)101.00 µm/N
Mechanical Moving Mass (MMS)30.90 g
Mechanical Q Factor (QMS)4.36
Mounting Hole Bolt Circle Diameter11.5551 in.
Mounting Hole Diameter0.2559 in.
Musical Power100.00 W
Nominal Overall Diameter307.00 mm
Nominal Voice Coil Diameter38.00 mm
Outer Diameter12.0866 in.
Rated Power50.00 W
Reference Efficiency (nO)3.40 %
Resonance Frequency (ƒS)90.00 Hz
Sensitivity @ 1W, 1m97.50 dB
Surround MaterialIntegrated Paper
Surround TreatmentNo
Total Q Factor (QTS)0.77
Voice Coil DC Resistance (Re)6.03 Ω
Voice Coil Diameter1.5 in.
Voice Coil FormerKapton
Voice Coil Inductance @ 1 kHZ (LE)0.87 mH
Voice Coil Winding Depth10.00 mm
Voice Coil Winding TypeCopper
Packaging Information:
Packaging Dimensions12.5984 in. x 12.5984 in. x 7.874 in.
Weight (Packaging)8.0998 lbs.
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