1. Nominal Diameter 4"/ (105 x 105 mm)
2. Power Handling 20 watts
3. Sensitivity 89 dB
4. Frequency Response 135 Hz - 18 kHz
5. Voice Coil Diameter 1.0"/ 25 mm
6. Ferrite Magnet 10 Oz
7. Pressed Steel Chassis type
8. Applications as mid high range woofer for PA speaker
SPECIFICATIONS |
Model No. | 4SA25-1 |
Nominal Diameter | 4"/ (105 x 105 mm) |
RMS Power | 20 watts |
MAX Power | 40 watts |
Sensitivity (1w/1m) | 89 dB |
Frequency Range | 135 Hz - 18 kHz |
Voice Coil Diameter | 1.0"/ 25 mm |
Available Impedances | 4 / 8 Ω |
Magnet Size | 10 Oz |
Magnet Material | Ferrite |
Chassis type | Pressed Steel |
Voice Coil Material | Copper clad aluminium |
Former Material | Kapton |
Dust Dome Material | Aluminium |
Suspension Material | Polycotton |
Surround Material | PU |
Cone Material | Paper |
| |
THIELE SMALL PARAMETERS |
Fs | 125 Hz |
Qes | 1.31 |
Qms | 6.38 |
Qts | 1.09 |
Vas | 1.41 L |
Sd | 0.0053 m2 |
η0 | 0.20% |
Mms | 4.44 g |
BI | 4.07 Txm |
Cms | 0.36 mm/N |
Rms | 0.55 WM |
Le1k | 0.12 mH |
| |
MOUNTING & DIMENSIONS & WEIGHT |
Overall Diameter | 5.20"/ 132 mm |
Bolt Circle Diameter | 4.39"/ 111.5mm |
Baffle Cut-out Diameter | 3.58"/ 91 mm |
Overall Depth | 2.83"/ 72 mm |
Net Weight | 0.70 kgs / 1.54 lbs |