Basket Material | Pressed Sheet Steel | ||
Cone Material | Paper | ||
Diaphragm Area | 490.9 cm^2 | ||
Electrical Q Factor | 8 Ω version | P-A-JP12-40BB8 | 1.5 |
16 Ω version | P-A-JP12-40BB16 | 1.85 | |
Equivalent Acoustic Volume | 8 Ω version | P-A-JP12-40BB8 | 34.6 lt. |
16 Ω version | P-A-JP12-40BB16 | 39 lt. | |
Flux Density | 1.28 T | ||
Force Factor | 8 Ω version | P-A-JP12-40BB8 | 8.2 Wb/m |
16 Ω version | P-A-JP12-40BB16 | 10.06 Wb/m | |
Magnet | Reinforced Alnico | ||
Magnet Weight | 11 oz. | ||
Magnetic Gap Depth | 0.24 in. | ||
Mechanical Compliance | 8 Ω version | P-A-JP12-40BB8 | 102 µm/N |
16 Ω version | P-A-JP12-40BB16 | 114 µm/N | |
Mechanical Moving Mass | 8 Ω version | P-A-JP12-40BB8 | 28.7 g |
16 Ω version | P-A-JP12-40BB16 | 27.4 g | |
Mechanical Q Factor | 8 Ω version | P-A-JP12-40BB8 | 14.29 |
16 Ω version | P-A-JP12-40BB16 | 13.97 | |
Musical Power | 80 W | ||
Nominal Impedance | 8 Ω version | P-A-JP12-40BB8 | 8 Ω |
16 Ω version | P-A-JP12-40BB16 | 16 Ω | |
Nominal Overall Diameter | 12 in. | ||
Nominal Voice Coil Diameter | 1.26 in. | ||
Rated Power | 40 W | ||
Resonance Frequency | 8 Ω version | P-A-JP12-40BB8 | 93.2 Hz |
16 Ω version | P-A-JP12-40BB16 | 90.1 Hz | |
Sensitivity @ 1W, 1m | 8 Ω version | P-A-JP12-40BB8 | 96 dB |
16 Ω version | P-A-JP12-40BB16 | 95.2 dB | |
Surround Material | Integrated Paper | ||
Surround Treatment | Yes | ||
Total Q Factor | 8 Ω version | P-A-JP12-40BB8 | 1.36 |
16 Ω version | P-A-JP12-40BB16 | 1.63 | |
Voice Coil DC Resistance | 8 Ω version | P-A-JP12-40BB8 | 5.9 Ω |
16 Ω version | P-A-JP12-40BB16 | 12 Ω | |
Voice Coil Former | Kapton | ||
Voice Coil Inductance @ 1kHz | 8 Ω version | P-A-JP12-40BB8 | 0.4 mH |
16 Ω version | P-A-JP12-40BB16 | 0.72 mH | |
Voice Coil Winding | Copper | ||
Voice Coil Winding Depth | 0.35 in. |
Packaging Dimensions | 12.598 in. × 12.598 in. × 7.874 in. | |
Weight (Packaging) | 8.3 lbs. |
P-A-JP12-40BB8 - 8 Ω version | Basket Material | Pressed Sheet Steel |
Cone Material | Paper | |
Diaphragm Area | 490.9 cm^2 | |
Electrical Q Factor | 1.5 | |
Equivalent Acoustic Volume | 34.6 lt. | |
Flux Density | 1.28 T | |
Force Factor | 8.2 Wb/m | |
Magnet | Reinforced Alnico | |
Magnet Weight | 11 oz. | |
Magnetic Gap Depth | 0.24 in. | |
Mechanical Compliance | 102 µm/N | |
Mechanical Moving Mass | 28.7 g | |
Mechanical Q Factor | 14.29 | |
Musical Power | 80 W | |
Nominal Impedance | 8 Ω | |
Nominal Overall Diameter | 12 in. | |
Nominal Voice Coil Diameter | 1.26 in. | |
Rated Power | 40 W | |
Resonance Frequency | 93.2 Hz | |
Sensitivity @ 1W, 1m | 96 dB | |
Surround Material | Integrated Paper | |
Surround Treatment | Yes | |
Total Q Factor | 1.36 | |
Voice Coil DC Resistance | 5.9 Ω | |
Voice Coil Former | Kapton | |
Voice Coil Inductance @ 1kHz | 0.4 mH | |
Voice Coil Winding | Copper | |
Voice Coil Winding Depth | 0.35 in. | |
P-A-JP12-40BB16 - 16 Ω version | Basket Material | Pressed Sheet Steel |
Cone Material | Paper | |
Diaphragm Area | 490.9 cm^2 | |
Electrical Q Factor | 1.85 | |
Equivalent Acoustic Volume | 39 lt. | |
Flux Density | 1.28 T | |
Force Factor | 10.06 Wb/m | |
Magnet | Reinforced Alnico | |
Magnet Weight | 11 oz. | |
Magnetic Gap Depth | 0.24 in. | |
Mechanical Compliance | 114 µm/N | |
Mechanical Moving Mass | 27.4 g | |
Mechanical Q Factor | 13.97 | |
Musical Power | 80 W | |
Nominal Impedance | 16 Ω | |
Nominal Overall Diameter | 12 in. | |
Nominal Voice Coil Diameter | 1.26 in. | |
Rated Power | 40 W | |
Resonance Frequency | 90.1 Hz | |
Sensitivity @ 1W, 1m | 95.2 dB | |
Surround Material | Integrated Paper | |
Surround Treatment | Yes | |
Total Q Factor | 1.63 | |
Voice Coil DC Resistance | 12 Ω | |
Voice Coil Former | Kapton | |
Voice Coil Inductance @ 1kHz | 0.72 mH | |
Voice Coil Winding | Copper | |
Voice Coil Winding Depth | 0.35 in. |
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