Specification Sheet - C12N
12" - 50 W Vintage Ceramic Loudspeaker
| General Characteristics | ||
|---|---|---|
| Nominal Overall Diameter | 307 mm | 12 in |
| Nominal Voice Coil Diameter | 38 mm | 1.5 in |
| Magnet Weight | 810 g | 29 oz |
| Overall Weight | 3.3 kg | 7.28 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 |
4Ω
|
8Ω
|
16Ω
|
||
|---|---|---|---|---|---|
| Voice Coil DC Resistance | RE | 6.5 | 6.05 | 12.5 | Ω |
| Resonance Frequency | ƒS | 113.3 | 113 | 110 | Hz |
| Mechanical Q Factor | QMS | 6.55 | 7.52 | 6.84 | |
| Total Q Factor | QTS | 0.82 | 1.02 | 1.06 | |
| Mechanical Moving Mass | MMS | 29.4 | 29.9 | 25.6 | g |
| Mechanical Compliance | CMS | 67 | 66 | 83 | µm/N |
| Force Factor | BxL | 8.6 | 10.46 | 13.35 | Wb/m |
| Equivalent Acoustic Volume | VAS | 22.8 | 22.6 | 28 | lt. |
| Maximum Linear Displacement | XMAX | ±1.5 | ±1 | ±1 | mm |
| Reference Efficiency | nO | 3.4 | 3.48 | 2.8 | % |
| Diaphragm Area | SD | 490.9 | 490.9 | 490.9 | cm2 |
| Losses Electrical Resistance | RES | 23.2 | 42.5 | 70 | Ω |
| Voice Coil Inductance @ 1kHz | LE | 0.58 | 0.9 | 1.55 | mH |
| Electrical Q Factor | QES | 0.94 | 1.18 | 1.25 | |
| Constructive Characteristics | ||
|---|---|---|
| Magnet | Ferrite | |
| 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 | |
| Electrical Characteristics |
4Ω
|
8Ω
|
16Ω
|
||
|---|---|---|---|---|---|
| Nominal Impedance | 4 | 8 | 16 | Ω | |
| Rated Power | 50 | 50 | 50 | W | |
| Musical Power | 100 | 100 | 100 | W | |
| Sensitivity@1W,1m | 98.4 | 97.7 | 97.5 | dB | |
Product Dimensions
