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

Product Measurements

Diameter: 12 in.
Voice Coil Diameter: 1 in.
Depth: 5.4566 in.
Outer Diameter: 12.0275 in.
Inner Diameter: 10.9055 in.
Mounting Hole Bolt Circle Diameter: 11.5551 in.
Magnet Assembly Depth: 1.9488 in.
Mounting Hole Diameter: 0.2559 in.
Nominal Overall Diameter: 307.00 mm
Nominal Voice Coil Diameter: 25.00 mm
Flux Density: 0.96 T
Voice Coil Winding Depth: 8.00 mm
Magnetic Gap Depth: 6.00 mm
Magnet Type: Alnico
Voice Coil Winding Type: Copper
Voice Coil Former: Kapton
Cone Material: Paper
Surround Material: Integrated Paper
Dust Dome Material: Solid Paper
Basket Material: Pressed Sheet Steel
Surround Treatment: No
Voice Coil DC Resistance (Re): 12.00 Ω
Resonance Frequency (ƒS): 77.00 Hz
Mechanical Q Factor (QMS): 12.53
Total Q Factor (QTS): 2.20
Mechanical Moving Mass (MMS): 19.90 g
Mechanical Compliance (CMS): 214.00 µm/N
Force Factor (BxL): 6.68 Wb/m
Equivalent Acoustic Volume (VAS): 72.60 liters
Linear Displacement, maximum (XMAX): 0.75 mm
Reference Efficiency (nO): 1.19 %
Diaphragm Area (SD): 490.80 cm2
Losses Electrical Resistance (RES): 58.00 Ω
Voice Coil Inductance @ 1 kHZ (LE): 0.84 mH
Rated Power: 25.00 W
Musical Power: 50.00 W
Sensitivity @ 1W, 1m: 94.00 dB