SPM-411SF 4 Inch Midrange
- 0.76 INCH ROUND COPPER VOICE COIL
- 90 dB/SPL SENSITIVITY
- 50 WATT RMS
- 500 - 11000 Hz FREQUENCY RESPONSE
GENERAL SPECIFICATIONS
| Nominal diameter | 4 inch |
|---|---|
| Nominal impedance | 8 Ω |
| Magnet weight | 11 oz |
| Power rating | 30W RMS |
| Peak power | 50W |
| Sensitivity | 90 dB |
| Frequency range | 500~11000 Hz |
| Voice coil diameter | 0.76 inch |
| basket material | Steel |
| Magnet material | Ferrite |
| Coil material | Round Copper |
| Former material | Aluminum |
| Cone material | Paper |
| Surround material | Foam |
SMALL SIGNAL PARAMETERS
| DC resistance(Re) | 7.3 |
|---|---|
| Resonance frequency(Fs) | 500 Hz |
| Moving mass(Mms) | |
| Compliance(Cms) | |
| Force factor(BL) | |
| Mechanical Q-factor(Qms) | |
| Electrical Q-factor(Qes) | |
| Total Q-factor(Qts) | |
| Equivalent air volume(Vas) | |
| Voice coil Inductance(Le) | |
| Diaphragm area(Sd) |
Frequency Response
Impedence Curve
Dimensions
