Refurbished Condition: 100% testing and function is in good condition while outside box worn out and small cosmetic dents. cosmetic damages will vary, including but not limited to, damaged or cracked, bent ears, scratches, dents, etc.

The Sound Town STLF-1590 is a 15” universal replacement driver for PA/DJ woofers. It is compatible with Sound Town PA speakers and compatible with other brand speakers with a 15” woofer. The driver comes with 8-ohm impedance and has a frequency range of 45-3K Hz with a sensitivity of 96dB. It has a built-in pressed steel chassis and has a paper cone with cloth edge. With 300W RMS power handling capability, the STLF-1590 delivers superb sound and makes a great replacement woofer for your PA/DJ cabinet.

  • 15” Pressed Steel Frame
  • 3” Voice Coil and 90-oz Magnet Produces Superb Sound
  • 300W RMS Power Handling Capability

Sound Town STLF-1570 15" Raw Woofer Speaker, 300 Watts Pro Audio PA DJ Replacement Low Frequency Driver - SPL vs. Frequency Graph

Sound Town STLF-1570 15" Raw Woofer Speaker, 300 Watts Pro Audio PA DJ Replacement Low Frequency Driver - Impedance vs. Freq Graph


Model STLF-1590 Resonance 45Hz
Nominal Basket Diameter 15" Frequency Response
Nominal Impedance Sensitivity 95±3dB
Power Rating
300W RMS Magnet Weight 90 OZ
Peak Power 600W Peak Voice Coil Diameter 3.0" VC

Thiele & Small Parameters

Resonant Frequency (fs) 45Hz Compliance Equivalent Volume (Vas) 204.8 Ltr
DC Resistance (Re) 6.3Ω Mechanical Compliance of Suspension (Cms) 175 mm/N
Mechanical Q (Qms) 5.99 BL Product (BL) 12.87 Tm
Electromagnetic Q (Qes) 0.890 Diaphragm Mass Inc. Airload (MMs) 96.8 g
Total Q (Qts) 0.778 Surface Area of Cone (Sd) 908 cm2

Mounting Information

Overall Diameter 15.3", 388 mm Mounting Holes Diameter 8-0.27"x0.4", 8-7x10 mm
Depth 6.4", 162 mm Net Weight 11.9 lbs, 5.4 kg
Baffle Hole Diameter 13.9",353 mm Shipping Weight 15.2 lbs, 6.9 kg
Installation Position Diameter 14.6", 372mm    

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 Pressed Steel    

Dimension & Weight

Product Width (in.) ∅15.2" Package Width (in.) 17.3"
Product Height (in.) --" Package Height (in.) 8.3"
Product Depth (in.) 6.1" Package Depth (in.) 16.1"
Product Weight (lb.) 11.9 lbs Package Weight (lb.) 15.2 lbs


Manufacturer Warranty 180 Days (6 Months)