$194.99

The Sound Town STLF-18120DR 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 35 Hz - 2 kHz. It is built in a cast aluminum chassis and has a paper cone with cloth edge. With 500W RMS, 1000W peak power handling capability, the STLF-18120DR delivers massive and deep bass and makes a great replacement woofer for your 18-inch PA subwoofers.

  • 18" cast aluminum frame
  • 500W RMS, 1000W peak power handling at 8-ohm
  • 35 Hz - 2 kHz frequency response
  • 4" voice coil and one 120 oz magnet produce super sound

Sound Town STLF-18120DR 18" 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - Size & Dimensions, Mounting Information, Recommended Enclosure Volume

Sound Town STLF-18120DR 18" 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement for PA/DJ Subwoofer Cabinets - SPL vs Frequency Curve

Details

Model STLF-18120DR
Resonance 35Hz
Nominal Basket Diameter 18" Frequency Response
35Hz - 2kHz
Nominal Impedance Sensitivity 98±3dB
Power Rating
500W RMS Magnet Weight 120oz
Peak Power 1000W Peak Voice Coil Diameter 4" VC


Thiele & Small Parameters

Resonant Frequency (fs) 35Hz Compliance Equivalent Volume (Vas) 230.73 liters
DC Resistance (Re) 7.0Ω Mechanical Compliance of Suspension (Cms) 97.945 mm/N
Mechanical Q (Qms) 1.726
BL Product (BL) 27.32 Tm
Electromagnetic Q (Qes) 0.472 Diaphragm Mass Inc. Airload (MMs) 247.92 g
Total Q (Qts) 0.371 Surface Area of Cone (Sd) 1288 cm2


Mounting Information

Efficiency Bandwidth 68
Baffle Hole Diameter 16.85", 428mm
Sealed 87.06 liters / 3.07 cu.ft. Installation Position Diameter 17.6", 442mm
Vented 163.64 liters / 5.78 cu.ft. Mounting Holes Diameter 8-0.244", 6.2mm
Overall Diameter 18.2", 462mm Net Weight 25.1lbs, 11.25kg
Depth 8.13", 206.6mm


Materials of 
Construction

Coil Construction Round copper Cone Composition Paper cone
Coil Former Aluminum Cone Edge Composition Cloth edge
Magnet Composition Ferrite Dust Cap Composition Paper cap
Basket Materials Die Cast Aluminum
   


Shipping Weight & Dimensions

Shipping Weight 33.0 lbs Shipping Dimensions 21.9 x 21.9 x 12.2“ (inches)

 
Warranty/Certifications

Manufacturer Warranty 1 year