Eighteen Sound 15W750 16Ω

16Ω

Subwoofer

Nominal diameter	15″ / 380 mm
Resonance	40 Hz
Q factor	0.42
Sensitivity	95.9 dB
Linear excursion	± 8 mm
Program Power	1200 W

Eighteen Sound 15W750 16Ω Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
Frequency response 50 - 4300Hz

Thiele & Small parameters

Resonance frequency (free air) fS 40Hz
Mechanical quality factor QMS 7.70
Electrical quality factor QES 0.44
Total quality factor QTS 0.42

Large signal parameters

Maximum linear excursion (one way) xmax 8mm
Air volume displaced at xmax VD 680cm³
Power handling P 600W
Program power Pmax 1200W

Voice Coil

Nominal impedance Z 16Ω
DC resistance RE 10.3Ω
Inductance (1kHz) LE 1.27mH
VC Diameter 75mm

Magnet

Force factor Bl 23.5N/A
Motor constant Bl/√RE 7.34N/√W
Material Ferrite

Diaphragm

Effective diameter 329mm
Effective area SD 850cm²
Moving mass MMS 94g
Moving mass (without air load) MMD 76.5g
Material Weather protected

Suspensions

Stiffness KMS 5.95N/mm
Compliance CMS 168µm/N
Equivalent volume to the compliance VAS 182L
Mechanical resistance RMS 3.07N·s/m

Dimensions

Nominal diameter 15″
380mm
Overall diameter 393mm
Baffle cutout diameter 354mm
Overall depth 184mm
Flange thickness 13mm
Mounting depth 171mm
Volume occupied by the driver (estimated) 4.3L
Net weight 7.9kg

Eighteen Sound 15W750 16Ω SPL

Eighteen Sound 15W750 16Ω Dimensions

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