STLF-21500A |
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The Sound Town STLF-21500A is a 21” replacement driver for high power subwoofer cabinets. It is compatible with Sound Town subwoofers and compatible with other brand speakers with a 21” high power subwoofer. The subwoofer comes with an 8-ohm impedance and has a frequency range of 32-2K Hz with a sensitivity of 108dB. It has a built-in cast aluminum chassis with 5” voice coil and 200 oz magnet. It has a paper cone with cloth edge. With 1000W RMS power handling capability, the STLF-21500A delivers a massive and deep bass and makes a great replacement woofer for your 21-inch high power subwoofer cabinets. |
Features
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Specifications    |
| Model | STLF-21500A | Resonance | 32Hz |
| Nominal Basket Diameter | 21" | Frequency Response | 32Hz - 800Hz |
| Nominal Impedance | 8Ω | Sensitivity | 96±3dB |
| Power Rating | 1000W RMS | Magnet Weight | 200oz |
| Peak Power | 2000W Peak | Voice Coil Diameter | 5" VC |
Thiele & Small Parameters
| Resonant Frequency (fs) | 32Hz | Compliance Equivalent Volume (Vas) | 1567 liters |
| DC Resistance (Re) | 7.4 Ω | Mechanical Compliance of Suspension (Cms) | 354.5 mm/N |
| Mechanical Q (Qms) | 1.069 | BL Product (BL) | 20.1 Tm |
| Electromagnetic Q (Qes) | 0.348 | Diaphragm Mass Inc. Airload (MMs) | 165.0 g |
| Total Q (Qts) | 0.262 | Surface Area of Cone (Sd) | 1765 cm2 |
Mounting Information
| Overall Diameter | 21.3", 542 mm | Mounting Holes Diameter | 8-0.275", 8-7 mm |
| Depth | 9.4", 236 mm | Net Weight | 43.1 lbs, 19.6 kg |
| Baffle Hole Diameter | 19.3", 491 mm | Shipping Weight | 46.4 lbs, 21.1 kg |
| Installation Position Diameter | 20.5", 520 mm | -- | -- |
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 | -- | -- |
Dimensions & Weight
| Product Width (in.) | ∅21.3" | Package Width (in.) | 23.8" |
| Product Height (in.) | --" | Package Height (in.) | 11.6" |
| Product Depth (in.) | 9.3" | Package Depth (in.) | 23.6" |
| Product Weight (lb.) | 43.1 lbs | Package Weight (lb.) | 46.4 lbs |
| Manufacturer Warranty | 1 Year |
Contact Us
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