JENSEN P12R 8-ohm 25 Watt Vintage Alnico 12″ Replacement Speaker

• Lows: Loose    
• Mids: Firm    
• Highs: Bright   
• Overdrive: Edgy/Crunchy 

Guitarist Description: Straightforward, bright tone.
Bassist Description: Warm and round

• Nominal Overall Diameter 306 mm. 12 in.
• Nominal Voice Coil Diameter 25 mm. 1.00 in.
• Magnet Weight 200 g 7.00 oz
• Overall Weight 3.55 lbs
• Flux Density 0.96 T
• Thiele-Small Parameters for 8Ω Voice Coil DC Resistance    RE 6.00 Ω
• Resonance Frequency ƒS 80.0 Hz
• Mechanical Q Factor QMS    12.73
• Electrical Q Factor QES    2.09
• Total Q Factor    QTS 1.79
• Mechanical Moving Mass MMS 20.3 g
• Mechanical Compliance CMS 196 µm/N
• Force Factor BxL 5.55 Wb/m
• Equivalent Acoustic Volume VAS 66.4 lt.
• Maximum Linear Displacement XMAX ± 1.00 mm
• Reference Efficiency nO    1.56 %
• Diaphragm Area    SD 490.8 cm2
• Losses Electrical Resistance RES 39.0 Ω
• Voice Coil Inductance @ 1kHz LE    0.50 mH
• Constructive Characteristics for 8Ω Magnet Alnico
• Voice Coil Winding Copper
• Voice Coil Former Kapton
• Cone Material Paper
• Surround Material Integrated Paper
• Dust Dome Material Solid Paper
• Basket Material Pressed Sheet Steel
• Electrical Characteristics for 8Ω Nominal Impedance 8 Ω
• Rated Power 25 W
• Musical Power 50 W
• Sensitivity@1W,1m 95.0 dB