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STLF-18120A
Key Features
Description
The ASTONE STLF-18120A is an 18” universal replacement driver for PA/DJ woofers. It is compatible with ASTONE PA speakers (subwoofers) and compatible with other brand speakers with an 18” subwoofer. The subwoofer comes with an 8-ohm impedance and has a frequency range of 35-2K Hz with a sensitivity of 100dB. It has a built-in cast aluminum chassis and has a paper cone with cloth edge. With 500W RMS power handling capability, the STLF-18120A delivers a massive and deep bass, and makes a great replacement woofer for your 18-inch PA/DJ speakers or subwoofer cabinets. |
Specifications
Details
| Model | STLF-18120A | Resonance | 36Hz |
| Nominal Basket Diameter | 18" |
Frequency Response |
36Hz-2KHz |
| Nominal Impedance | 8Ω | Sensitivity | 98±3dB |
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Power Rating |
500W RMS | Magnet Weight | 120 OZ |
| Peak Power | 1000W Peak | Voice Coil Diameter | 4.0" VC |
Thiele & Small Parameters
| Resonant Frequency (fs) | 36Hz | Compliance Equivalent Volume (Vas) | 253.6 Ltr |
| DC Resistance (Re) | 7.2Ω | Mechanical Compliance of Suspension (Cms) | 93.1 mm/N |
| Mechanical Q (Qms) | 3.268 | BL Product (BL) | 15.181 Tm |
| Electromagnetic Q (Qes) | 1.083 | Diaphragm Mass Inc. Airload (MMs) | 111.86 g |
| Total Q (Qts) | 0.813 | Surface Area of Cone (Sd) | 1385 cm2 |
Mounting Information
| Overall Diameter | 18.8", 478 mm | Mounting Holes Diameter | 8-0.26"x0.31", 8-6.5x8 mm |
| Depth | 7.5", 190 mm | Net Weight | 37.4 lbs, 17.0 kg |
| Baffle Hole Diameter | 16.85", 428 mm | Shipping Weight | 40.7 lbs, 18.5 kg |
| Installation Position Diameter | 18.1", 460mm |
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 |
Dimension & Weight
| Product Width (in.) | ∅18.7" | Package Width (in.) | 20.9" |
| Product Height (in.) | --" | Package Height (in.) | 10.2" |
| Product Depth (in.) | 7.6" | Package Depth (in.) | 20.9" |
| Product Weight (lb.) | 37.4 lbs | Package Weight (lb.) | 40.7 lbs |
Warranty/Certifications
| Manufacturer Warranty | 1 year |