DS18 PSW12.4S

4Ω

Shallow Subwoofer

Nominal diameter	12″ / 310 mm
Resonance	31 Hz
Q factor	0.57
Sensitivity	84.6 dB
Program Power	1200 W

DS18 PSW12.4S Shallow Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 84.6dB
Frequency response 20 - 600Hz

Thiele & Small parameters

Resonance frequency (free air) fS 31Hz
Mechanical quality factor QMS 4.14
Electrical quality factor QES 0.66
Total quality factor QTS 0.57

Large signal parameters

Power handling P 600W
Program power Pmax 1200W

Voice Coil

Nominal impedance Z 4Ω
DC resistance RE 3.1Ω
Inductance (1kHz) LE 1.6mH
VC Diameter 76.2mm
Winding material Copper
Former material Aluminum

Magnet

Force factor Bl 15N/A
Motor constant Bl/√RE 8.52N/√W
Diameter 203mm
Weight 1.928kg
Material Ferrite

Diaphragm

Effective diameter 255mm
Effective area SD 511cm²
Moving mass MMS 245g
Moving mass (without air load) MMD 237g
Material Water Resistant PPI

Suspensions

Stiffness KMS 9.71N/mm
Compliance CMS 103µm/N
Equivalent volume to the compliance VAS 38.8L
Mechanical resistance RMS 11.5N·s/m
Surround material Rubber

Dimensions

Nominal diameter 12″
310mm
Overall diameter 310mm
Baffle cutout diameter 270mm
Overall depth 100mm
Flange thickness 16mm
Mounting depth 84mm
Volume occupied by the driver 0.95L
Frame material Steel

DS18 PSW12.4S Dimensions

Export this driver to a simulation software:

Closed Box Simulator·

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fS	30.4 Hz
SD	528 cm²
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fS	31 Hz
SD	511 cm²
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