$41.99 $49.99

The Sound Town STLF-830 is a 8” universal replacement driver for PA/DJ woofers. It is compatible with Sound Town PA speakers and compatible with other brand speakers with a 8” woofer. The driver comes with 8-ohm impedance and has a frequency range of 65-5K Hz with a sensitivity of 91dB. It has a built-in pressed steel chassis and has a paper cone with cloth edge. With 120W RMS power handling capability, the STLF-830 delivers superb sound and makes a great replacement woofer for your PA/DJ cabinet.

  • 8” Pressed Steel Frame
  • 1.5” Voice Coil and 30-oz Magnet Produces Superb Sound
  • 120W RMS Power Handling Capability

Sound Town STLF-830 8" Raw Woofer Speaker, 120 Watts Pro Audio PA DJ Replacement Low Frequency Driver - Size Dimensions

Sound Town STLF-830 8" Raw Woofer Speaker, 120 Watts Pro Audio PA DJ Replacement Low Frequency Driver - SPL vs. Frequency Graph


Model STLF-830 Resonance 89Hz
Nominal Basket Diameter 8" Frequency Response
Nominal Impedance Sensitivity 91±3dB
Power Rating
120W RMS Magnet Weight 30 OZ
Peak Power 240W Peak Voice Coil Diameter 1.5" VC

Thiele & Small Parameters

Resonant Frequency (fs) 89Hz Compliance Equivalent Volume (Vas) 10.76 Ltr
DC Resistance (Re) 6.5Ω Mechanical Compliance of Suspension (Cms) 117 mm/N
Mechanical Q (Qms) 8.11
BL Product (BL) 5.825 Tm
Electromagnetic Q (Qes) 2.928 Diaphragm Mass Inc. Airload (MMs) 27.3 g
Total Q (Qts) 2.151 Surface Area of Cone (Sd) 254.5 cm2

Mounting Information

Overall Diameter 8.0", 203mm Mounting Holes Diameter 4-0.2"x024", 4-5x6 mm
Depth 3.5", 88 mm Net Weight 3.2 lbs, 1.45 kg
Baffle Hole Diameter 5.6",142 mm Shipping Weight 16.1 lbs, 7.3 kg (4Pcs)
Installation Position Diameter 6.2", 158mm    

Materials of Contruction

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 Pressed Steel    

Dimension & Weight

Product Width (in.) ∅8.0" Package Width (in.) 8.7"
Product Height (in.) --" Package Height (in.) 5.4"
Product Depth (in.) 3.4" Package Depth (in.) 9.0"
Product Weight (lb.) 3.2 lbs Package Weight (lb.) 3.7 lbs



Manufacturer Warranty 1 year