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STWF-3-8PACK
Key Features
Description
The ASTONE STWF-3 is a 3" full range replacement driver for compact line array or column speakers; it is compatible with the ASTONE PA speakers and speakers of other brands which need a 3" driver. The driver comes with 8-ohm impedance and has a frequency range of 150 Hz - 20 kHz. It is built in a steel chassis and has a paper cone with cloth edge. With 30W RMS, 60W peak power handling capability, the STWF-3 delivers superb sound performance. |
Specifications
Details
| Model |
STWF-3 |
Resonance | 150Hz |
| Nominal Basket Diameter | 3" |
Frequency Response |
150Hz - 20kHz |
| Nominal Impedance | 8Ω | Sensitivity | 92±3dB |
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Power Rating |
30W RMS | Magnet Weight | 8oz |
| Peak Power | 60W Peak | Voice Coil Diameter | 0.8" VC |
Thiele & Small Parameters
| Resonant Frequency (fs) | 159Hz | Compliance Equivalent Volume (Vas) |
0.982 L |
| DC Resistance (Re) | 5.2Ω | Mechanical Compliance of Suspension (Cms) | 0.712 mm/N |
| Mechanical Q (Qms) |
2.15 |
BL Product (BL) | 3.295 Tm |
| Electromagnetic Q (Qes) | 0.673 | Diaphragm Mass Inc. Airload (MMs) | 1.404 g |
| Total Q (Qts) | 0.513 | Surface Area of Cone (Sd) | 31.17 cm2 |
Mounting Information
| Efficiency Bandwidth |
236 |
Baffle Hole Diameter | 2.75", 70mm |
| Sealed | 1.07 liters / 0.038 cu.ft. | Installation Position Diameter | 3.46", 88mm |
| Vented | 2.28 liters / 0.08 cu.ft. | Mounting Holes Diameter | 4- 0.14"x0.16", 3.5x4.2mm |
| Overall Diameter | 3x3", 77x77mm | Net Weight | -- |
| Depth | 1.71", 43mm |
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Materials of Construction
| Coil Construction | Round copper | Cone Composition | Paper cone |
| Coil Former | Kapton | Cone Edge Composition | Cloth edge |
| Magnet Composition | Ferrite | Dust Cap Composition | Paper cap |
| Basket Materials | Steel |
Dimension & Weight
| Product Width (in.) | 3.0" (each) | Package Width (in.) | 7.6" (4-Pack); 7.6" (8-Pack) |
| Product Height (in.) | --" | Package Height (in.) | 4.9" (4-Pack); 4.9" (8-Pack) |
| Product Depth (in.) | 1.7" (each) | Package Depth (in.) | 3.9" (4-Pack); 7.9" (8-Pack) |
| Product Weight (lb.) | 2.7 lbs (4-Pack) | Package Weight (lb.) | 3.3 lbs (4-Pack) ; 6.6 lbs (8-Pack) |
Warranty/Certifications
| Manufacturer Warranty | 1 year |