DS18 SLC-12S 12-Inch Single 4 OHMS Subwoofer Owner’s Manual
- June 5, 2024
- DS18
Table of Contents
SLC-12S 12-Inch Single 4 OHMS Subwoofer
Owner’s Manual

SLC-12S

Specifications
Nominal Diameter………………………………………………………………… 12″
Nominal Impedance ………………………………………………………….. 4 ohms
RMS Power Handling ……………………………………………………….. 250 Watts
MAX Power Handling ……………………………………………………….. 500 Watts
Sensitivity (1w/1m) ……………………………………………………………… 90dB
Frequency Response……………………………………………………….. 25Hz-4.2KHz
Recommended Lo Pass Crossover…………………………. 90Hz
Motor
Voice Coil Diameter…………………………………………………………… 2” / 50.8mm
Voice Coil Former Material …………………………………………… Aluminum
Winding Material …………………………………………………………………. CCAW
Cone Material……………………………………………………………………….. Paper
Dust Cap Material……………………………………………………………….. Paper
Surround Material……………………………………………………………….. Foam
Basket Material …………………………………………………………………… Steel
Basket Color/Finish…………………………………………………………… Glossy Black
Magnet Material……………………………………………………………………. Ferrite
Magnet Weight…………………………………………………………………….. 45 Oz
Thiele & Small Parameters
| Equivalent Volume | Vas………. 32.8 L |
|---|---|
| Excursion (one way) | Xmax………. 17 mm |
| Free Air Resonance | Fs…………. 41 Hz |
| Mechanical Factor | Qms………. 4.611 |
| Electrical Factor | Qes……….. 1.116 |
| Total Factor | Qts………… 0.898 |
| Moving Mass | Mms…….. 174.993 g |
| Compliance | Cms………. 0.049 mm/H |
| Bl Factor | BI………… 12.946 |
| Voice Coil Inductance | Le……….. 1.018 mH |
| Diaphragm Area | Sd………… 530.93 cm2 |
| Dc Resistance | Re………… 3.4 ohms |
| Efficiency Bandwith Product | EBP……….. 36.73 |
Measurement
Overall Diameter………………………………………….. 12.44″ / 316mm
Overall Depth………………………………………………. 6.42″ / 163mm
Front Mount Baffle Cutout…………………………….. 10.9″ / 277mm
Mounting Depth…………………………………………….. 5.47″ / 139mm
Motor Diameter…………………………………………… 5.94″ / 151mm
FOR MORE INFORMATION
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References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>