$219.99

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.

  • 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

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

Sound Town STLF-18AS 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - SPL vs. Frequency Graph Curve

Details

Model STLF-18AS
Resonance 32Hz
Nominal Basket Diameter 18" Frequency Response
32Hz - 800Hz
Nominal Impedance 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
   


Shipping Weight & Dimensions

Shipping Weight 40.0 lbs Shipping Dimensions 20.7 x 20.7 x 11.9“ (inches)

 
Warranty/Certifications

Manufacturer Warranty 1 year