1” voice coil aluminium former Ferrite magnet Cone waterproof treatment 88.1dB sensitivity General Product type Cone driver Brand Sica Reference 4E1CS Product code Z001802C Informations Nominal impedance 4 ohm Dimensional category 4 inch Frequency coverage type Midbass, Midrange, High midrange Manufacturer sensitivity 89.1 dB Calculated sensitivity 88.57 dB Nominal power handling 60 W Max power […]
- 1” voice coil aluminium former
- Ferrite magnet
- Cone waterproof treatment
- 88.1dB sensitivity
General |
|
| Product type | Cone driver |
| Brand | Sica |
| Reference | 4E1CS |
| Product code | Z001802C |
Informations |
|
| Nominal impedance | 4 ohm |
| Dimensional category | 4 inch |
| Frequency coverage type | Midbass, Midrange, High midrange |
| Manufacturer sensitivity | 89.1 dB |
| Calculated sensitivity | 88.57 dB |
| Nominal power handling | 60 W |
| Max power handling | 120 W |
| Bandwidth | 120÷10000 Hz |
Fundamental parameters |
|
| Sd | 44.1 cm² |
| Mms | 3.1 gr |
| Cms | 501 µm/N |
| Le | 0.08 mH |
| Re | 3.47 ohm |
| BL | 3.73 T.m |
Small signal parameters |
|
| Fs | 127.7 Hz |
| Qes | 0.62 |
| Qms | 1.86 |
| Qts | 0.47 |
| Vas | 1.4 L |
Datas |
|
| Flux density | 1.1 T |
| Xmax | ±1.3 mm |
| EBP | 206 Hz |
| Fs / Qts | 272 Hz |
| Vas * Qts² | 0.31 L |
| Efficiency | 0.44 % |
| Calculated efficiency | 0.46 % |
| Weight | ~1 kg |
Dimensions |
|
| Voice coil diameter | 1 inch |
| External dimensions | 104 | 104 mm |
| Baffle cutout diameter | 90.2 mm |
| Depth | 58.3 mm |
| Front thickness | 5.8 mm |
| Depth after front | 52.5 mm |
| Diamètre aimant (mm) | 86 mm |
Shape & Materials |
|
| Front chape | Non cylindrical |
| Magnet type | Ferrite |
| Basket masterial | Acier |
| Winding material | Aluminium |
| Voice coil former | Aluminium |
| Surround shape | One roll |
| Surround material | Cloth |
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