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/ STLF-18AS | 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets
STLF-18AS | 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets
![Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - 8-Ohm](http://www.soundtown.com/cdn/shop/products/STLF-18AS_18-inch_750W_Cast_Aluminum_Frame_Woofer_Low_Frequency_Driver-8-Ohm_1024x1024.jpg?v=1632178814)
![Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - 145 oz magnet](http://www.soundtown.com/cdn/shop/products/STLF-18AS_18-inch_750W_Cast_Aluminum_Frame_Woofer_Low_Frequency_Driver-145_oz_Magnet_1024x1024.jpg?v=1632178826)
![Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - TIL Coil Former](http://www.soundtown.com/cdn/shop/products/STLF-18AS_18-inch_750W_Cast_Aluminum_Frame_Woofer_Low_Frequency_Driver-TIL_Coil_Former_1024x1024.jpg?v=1632178839)
![Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - 4" Voice Coil](http://www.soundtown.com/cdn/shop/products/STLF-18AS_18-inch_750W_Cast_Aluminum_Frame_Woofer_Low_Frequency_Driver-4-inch_VC_1024x1024.jpg?v=1632178856)
![Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - Features: aluminum demodulating ring, 145 oz Y35 magnet, 4" voice coil with fiberglass former](http://www.soundtown.com/cdn/shop/files/STLF-18AS_18-inch_750W_Cast_Aluminum_Frame_Woofer_Low_Frequency_Driver-Features_1024x1024.jpg?v=1695674162)
![Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - Size & Dimensions, Mounting Information, Recommended Enclosure Volume](http://www.soundtown.com/cdn/shop/products/STLF-18AS_18-inch_750W_Cast_Aluminum_Frame_Woofer_Low_Frequency_Driver-Dimensions_1024x1024.jpg?v=1695674162)
![Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - SPL vs Frequency Graph Curve](http://www.soundtown.com/cdn/shop/products/STLF-18AS_18-inch_750W_Cast_Aluminum_Frame_Woofer_Low_Frequency_Driver-SPL_vs_Freq_Curve_1024x1024.jpg?v=1695674162)
![Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - Impedance vs. Freq Graph](http://www.soundtown.com/cdn/shop/products/STLF-18AS-18-inch-750W-Cast-Aluminum-Frame-Woofer-Low-Frequency-Driver-Impedance-vs-Freq_1024x1024.jpg?v=1695674162)
- DESCRIPTION
- FEATURES
- SPECIFICATIONS
- REVIEWS
DESCRIPTION
The Sound Town STLF-18AS is a 18" universal replacement woofer for PA/DJ speakers; it is compatible with the Sound Town 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.
FEATURES
- 18" cast aluminum frame
- 750W RMS, 1500W peak power handling at 8-ohm
- 32 Hz - 800 Hz frequency response
- 4" voice coil and one 145 oz. magnet produces super sound
SPECIFICATIONS
Model | STLF-18AS |
Resonance | 32Hz |
Nominal Basket Diameter | 18" | Frequency Response |
32Hz - 800Hz |
Nominal Impedance | 8Ω | Sensitivity | 100±3dB |
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 |
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 |
REVIEWS