$144.99
The Sound Town STLF-1804-4 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 4-ohm impedance and has a frequency range of 34 Hz - 2 kHz. It is built in a pressed steel chassis and has a paper cone with cloth edge. With 450W RMS, 900W peak power handling capability, the STLF-1804-4 delivers massive and deep bass and makes a great replacement woofer for your 18-inch PA subwoofers.

  • 18" pressed steel frame
  • 450W RMS, 900W peak power handling at 4-ohm
  • 34 Hz - 2 kHz frequency response
  • 4" voice coil and one 100 oz magnet to produce super sound

Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - size and dimensions, mounting information, recommended enclosure volume

Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - SPL vs. Frequency Graph

Details

Model STLF-1804-4
Resonance 34Hz
Nominal Basket Diameter 18" Frequency Response
34Hz - 2kHz
Nominal Impedance Sensitivity 98dB
Power Rating
450W RMS Magnet Weight 100oz
Peak Power 900W Peak Voice Coil Diameter 4" VC


Thiele & Small Parameters

Resonant Frequency (fs) 34Hz Compliance Equivalent Volume (Vas) 161.63 liters
DC Resistance (Re) 3.6Ω Mechanical Compliance of Suspension (Cms) 68.61 mm/N
Mechanical Q (Qms) 3.201 BL Product (BL) 16.855 Tm
Electromagnetic Q (Qes) 0.755 Diaphragm Mass Inc. Airload (MMs) 243.73 g
Total Q (Qts) 0.611 Surface Area of Cone (Sd) 1288 cm2


Mounting Information

Efficiency Bandwidth 51
Baffle Hole Diameter 16.5", 420mm
Sealed 367.3 liters / 12.96 cu.ft. Installation Position Diameter 17.6", 448mm
Vented 489.8 liters / 17.26 cu.ft. Mounting Holes Diameter 8-0.24"x0.35", 6x9mm
Overall Diameter 18.0", 458mm Net Weight 20.8lbs, 9.34kg
Depth 7.52", 191mm


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 Steel    


Shipping Weight & Dimensions

Shipping Weight  25.5 lbs  Shipping Dimensions 19.3" x 19.3" x 9.3"

 
Warranty/Certifications

Manufacturer Warranty 1 year