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STLF-18AS
Key Features
Description
The ASTONE STLF-18AS is a 18" universal replacement woofer for PA/DJ speakers; it is compatible with the ASTONE PA subwoofers and subwoofers of other brands which need a 18" low-frequency driver. The woofer comes with 8-ohm impedance and has a frequency range of 32 Hz - 2 kHz. It is built in a cast aluminum chassis and has a paper cone with cloth edge. With 750W RMS, 1500W peak power handling capability, the STLF-18AS delivers massive and deep bass and makes a great replacement woofer for your 18-inch PA subwoofers. |
Specifications
Details
| Model |
STLF-18AS |
Resonance | 32Hz |
| Nominal Basket Diameter | 18" |
Frequency Response |
32Hz - 800Hz |
| Nominal Impedance | 8Ω | Sensitivity | 100±3dB |
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Power Rating |
750W RMS | Magnet Weight | 145oz |
| Peak Power | 1500W Peak | Voice Coil Diameter | 4" VC |
Thiele & Small Parameters
| Resonant Frequency (fs) | 30.3Hz | Compliance Equivalent Volume (Vas) | 245.2 liters |
| DC Resistance (Re) | 4.8Ω | Mechanical Compliance of Suspension (Cms) | 113.8 mm/N |
| Mechanical Q (Qms) |
11.61 |
BL Product (BL) | 27.1 Tm |
| Electromagnetic Q (Qes) |
0.347 |
Diaphragm Mass Inc. Airload (MMs) | 242.37 g |
| Total Q (Qts) | 0.337 | Surface Area of Cone (Sd) | 1232 cm2 |
Mounting Information
| Efficiency Bandwidth |
87 |
Baffle Hole Diameter | 16.55", 420mm |
| Sealed | 73.86 liters / 2.61 cu.ft. | Installation Position Diameter | 17.32", 440mm |
| Vented | 209.5 liters / 7.40 cu.ft. | Mounting Holes Diameter | 8-0.31" x 0.39", 8mm x 10mm |
| Overall Diameter | 18.3", 462mm | Net Weight | 33.66lbs, 15.3kg |
| Depth | 8.64", 219.5mm |
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Materials of Construction
| Coil Construction | Round copper | Cone Composition | Paper cone |
| Coil Former |
TIL |
Cone Edge Composition | Cloth edge |
| Magnet Composition | Ferrite | Dust Cap Composition | Paper cap |
| Basket Materials |
Die Cast Aluminum |
Dimension & Weight
| Product Width (in.) | ∅18.3" | Package Width (in.) | 20.7" |
| Product Height (in.) | 8.6" | Package Height (in.) | 11.9" |
| Product Depth (in.) | --" | Package Depth (in.) | 20.7" |
| Product Weight (lb.) | 33.7 lbs | Package Weight (lb.) | 40.0 lbs |
Warranty/Certifications
| Manufacturer Warranty | 1 year |