Home / Collections / LIVE SOUND / STLF-1804-4 | 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm

STLF-1804-4 | 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm

Sound Town
Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - Side View
Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - Front
Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - 34 Hz
Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - Back View
Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - Mounting Info, Size, Dimensions
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 Freq Graph Specifications

$134.99 $199.99
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.

Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - SPECIFICATIONS
  • Extra large 4“ ASV high temperature voice coil provides high SPL with low distortion.
    Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - Extra large 4“ ASV high temperature voice coil provides high SPL with low distortion.

  • 18-inches pressed steel chassis with paper cone and cloth edge delivers massive and deep bass 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 - 18-inches pressed steel chassis with paper cone and cloth edge
  • 100oz Y35 ferrite magnet provides high sensitivity (100+-2dB).
     Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - 100oz Y35 ferrite magnet

  • Durable connex dual spider system provides better damping to improve the efficiency of the raw speaker.
     Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - Durable connex dual spider system

  • 450W RMS, 900W peak power handling at 4-ohm
  • 34 Hz - 2 kHz frequency response

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

Sound Town STLF-1804-4 18" 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement for PA/DJ Subwoofer, 4-ohm - Impedance vs. Freq Graph
Details
Model STLF-1804-4
 Resonance 34Hz
Nominal Basket Diameter 18" Frequency Response
 34Hz - 2kHz
Nominal Impedance 4Ω 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    


Dimension & Weight

Product Width (in.) ∅18.0" Package Width (in.) 19.3"
Product Height (in.) 7.5" Package Height (in.) 9.3"
Product Depth (in.) --" Package Depth (in.) 19.3"
Product Weight (lb.) 20.8 lbs Package Weight (lb.) 25.5 lbs

 
Warranty/Certifications

Manufacturer Warranty 1 year