Specification Sheet - 12" Electric Lightning 70
12" - 70 W Jet Series Loudspeaker
| General Characteristics | ||
|---|---|---|
| Nominal Overall Diameter | 307 mm | 12 in |
| Nominal Voice Coil Diameter | 50 mm | 2 in |
| Magnet Weight | 1450 g | 51 oz |
| Overall Weight | 4.5 kg | 9.92 lbs |
| Flux Density | 1.15 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 | 6.33 | 11.94 | Ω |
| Resonance Frequency | ƒS | 95 | 93 | Hz |
| Mechanical Q Factor | QMS | 14.77 | 14.5 | |
| Total Q Factor | QTS | 0.67 | 0.88 | |
| Mechanical Moving Mass | MMS | 29.9 | 28.3 | g |
| Mechanical Compliance | CMS | 94 | 103 | µm/N |
| Force Factor | BxL | 12.7 | 14.56 | Wb/m |
| Equivalent Acoustic Volume | VAS | 32 | 35.3 | lt. |
| Maximum Linear Displacement | XMAX | ±1 | ±1 | mm |
| Reference Efficiency | nO | 3.76 | 2.92 | % |
| Diaphragm Area | SD | 490.9 | 490.9 | cm2 |
| Losses Electrical Resistance | RES | 133.3 | 185.7 | Ω |
| Voice Coil Inductance @ 1kHz | LE | 0.6 | 0.8 | mH |
| Electrical Q Factor | QES | 0.70 | 0.94 | |
| Constructive Characteristics | ||
|---|---|---|
| Magnet | Ferrite | |
| Voice Coil Winding | Aluminum | |
| Voice Coil Former | Kapton | |
| Cone Material | Paper | |
| Surround Material | Integrated Paper | |
| Dust Dome Material | Non-treated Cloth | |
| Basket Material | Pressed Sheet Steel | |
| Surround Treatment | Yes | |
| Electrical Characteristics |
8Ω
|
16Ω
|
||
|---|---|---|---|---|
| Nominal Impedance | 8 | 16 | Ω | |
| Rated Power | 70 | 70 | W | |
| Musical Power | 140 | 140 | W | |
| [email protected],1m | 99 | 98.1 | dB | |
Product Dimensions
