Specification Sheet - P15N No Bell
15" - 50 W Vintage Alnico Loudspeaker
General Characteristics | ||
---|---|---|
Nominal Overall Diameter | 385 mm | 15 in |
Nominal Voice Coil Diameter | 38 mm | 1.5 in |
Magnet Weight | 826 g | 29 oz |
Overall Weight | 3.9 kg | 8.6 lbs |
Flux Density | 1.26 T | |
Voice Coil Winding Depth | 10 mm | 0.39 in |
Magnetic Gap Depth | 8 mm | 0.31 in |
Thiele-Small Parameters |
8Ω
|
16Ω
|
||
---|---|---|---|---|
Voice Coil DC Resistance | RE | 6.22 | 12 | Ω |
Resonance Frequency | ƒS | 77.9 | 67 | Hz |
Mechanical Q Factor | QMS | 6.8 | 5.74 | |
Total Q Factor | QTS | 1.22 | 1.08 | |
Mechanical Moving Mass | MMS | 53.9 | 42.9 | g |
Mechanical Compliance | CMS | 78 | 132 | µm/N |
Force Factor | BxL | 10.49 | 13.16 | Wb/m |
Equivalent Acoustic Volume | VAS | 62.6 | 105.3 | lt. |
Maximum Linear Displacement | XMAX | ±1 | ±1 | mm |
Reference Efficiency | nO | 2.62 | 2.32 | % |
Diaphragm Area | SD | 754.8 | 754.7 | cm2 |
Losses Electrical Resistance | RES | 50 | 55 | Ω |
Voice Coil Inductance @ 1kHz | LE | 0.9 | 1.28 | mH |
Electrical Q Factor | QES | 1.49 | 1.33 |
Constructive Characteristics | ||
---|---|---|
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 | |
Surround Treatment | No |