Speaker - Jensen® Vintage Alnico, 12", P12R, 25W

Jensen
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Speaker - Jensen® Vintage Alnico, 12", P12R, 25W

$124.74
In stock

The smallest powered AlNiCo 12” in the range, the P12R is the classic choice for the lower powered combo amps of the tweed era. It was very common in Fender®, Epiphone® and Ampeg® amps until the early ‘60s. The P12R is bright and colorful, has excellent cut and sparkle, and breaks up easily.

Guitarist Description: Straightforward, bright tone.

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

For more information about our Jensen® speakers, see our tech corner article on Jensen Speakers.

RoHS Compliant
SKU:
P-A-P12R
Item ID:
001975
Brand:
JensenJensen VintageAlnico
Size:
Part Numbers
ImpedanceOur Part NumberUPC/EANJensen Part Number
16 ΩP-A-P12R-168034028640322 ZJ06080
8 ΩP-A-P12R-88034028640339 ZJ06080
Product Measurements
Basket MaterialPressed Sheet Steel
Cone MaterialPaper
Depth5.4566 in.
Diameter12 in.
Diaphragm Area (SD)8 Ω version490.90 cm2
16 Ω version490.80 cm2
Dust Dome MaterialSolid Paper
Equivalent Acoustic Volume (VAS)8 Ω version54.00 liters
16 Ω version72.60 liters
Flux Density0.96 T
Force Factor (BxL)8 Ω version5.53 Wb/m
16 Ω version6.68 Wb/m
Inner Diameter10.9055 in.
Linear Displacement, maximum (XMAX)8 Ω version1.00 mm
16 Ω version0.75 mm
Losses Electrical Resistance (RES)8 Ω version39.00 Ω
16 Ω version58.00 Ω
Magnet Assembly Depth1.9488 in.
Magnet TypeAlnico
Magnetic Gap Depth6.00 mm
Mechanical Compliance (CMS)8 Ω version157.00 µm/N
16 Ω version214.00 µm/N
Mechanical Moving Mass (MMS)8 Ω version25.20 g
16 Ω version19.90 g
Mechanical Q Factor (QMS)8 Ω version13.07
16 Ω version12.53
Mounting Hole Bolt Circle Diameter11.5551 in.
Mounting Hole Diameter0.2559 in.
Musical Power50.00 W
Nominal Overall Diameter307.00 mm
Nominal Voice Coil Diameter25.00 mm
Outer Diameter12.0275 in.
Rated Power25.00 W
Reference Efficiency (nO)8 Ω version1.56 %
16 Ω version1.19 %
Resonance Frequency (ƒS)8 Ω version80.00 Hz
16 Ω version77.00 Hz
Sensitivity @ 1W, 1m8 Ω version93.70 dB
16 Ω version94.00 dB
Surround MaterialIntegrated Paper
Surround TreatmentNo
Total Q Factor (QTS)8 Ω version2.10
16 Ω version2.20
Voice Coil DC Resistance (Re)8 Ω version6.05 Ω
16 Ω version12.00 Ω
Voice Coil Diameter1 in.
Voice Coil FormerKapton
Voice Coil Inductance @ 1 kHZ (LE)8 Ω version0.50 mH
16 Ω version0.84 mH
Voice Coil Winding Depth8.00 mm
Voice Coil Winding TypeCopper
Packaging Information
Packaging Dimensions13.3858 in. × 13.3858 in. × 7.874 in.
Weight (Packaging)4.55 lbs.

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Specifications, Files, and Documents

Sound Samples:

PDF: Specification Sheet Specification Sheet194.75 KB
PNG: Terminal Dimensions Terminal Dimensions21.21 KB

Questions and Answers

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Asked by Anonymous on December 17th, 2018.
BradWbr
December 18th, 2018
Staff Member
With a Deluxe Reverb's power rated at 22W, and this speaker being rated at 25W, it is possible to use, but we also encourage you to consider going with a speaker that is around double the amp's wattage, such as the P12N. https://www.amplifiedparts.com/products/speaker-jensen-vintage-12-alnico-p12n-50-watts-no-bell

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