Eighteen Sound 12NTLW3500 8Ω

8Ω

Subwoofer

Nominal diameter	12″ / 300 mm
Resonance	53 Hz
Q factor	0.33
Sensitivity	94.5 dB
Linear excursion	± 8.3 mm
Program Power	1800 W

Eighteen Sound 12NTLW3500 8Ω Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 94.5dB
Frequency response 50 - 3000Hz

Thiele & Small parameters

Resonance frequency (free air) fS 53Hz
Mechanical quality factor QMS 8.00
Electrical quality factor QES 0.35
Total quality factor QTS 0.33

Large signal parameters

Maximum linear excursion (one way) xmax 8.3mm
Air volume displaced at xmax VD 441cm³
Power handling P 900W
Program power Pmax 1800W

Voice Coil

Nominal impedance Z 8Ω
DC resistance RE 5.1Ω
Inductance (1kHz) LE 0.46mH
VC Diameter 88mm

Magnet

Force factor Bl 19.5N/A
Motor constant Bl/√RE 8.63N/√W
Material Neodymium

Diaphragm

Effective diameter 260mm
Effective area SD 531cm²
Moving mass MMS 80g
Moving mass (without air load) MMD 71.4g

Suspensions

Stiffness KMS 8.85N/mm
Compliance CMS 113µm/N
Equivalent volume to the compliance VAS 45L
Mechanical resistance RMS 3.33N·s/m

Dimensions

Nominal diameter 12″
300mm
Overall diameter 310mm
Baffle cutout diameter 282mm
Overall depth 193mm
Flange thickness 13mm
Mounting depth 180mm
Volume occupied by the driver (estimated) 2.7L
Net weight 4.7kg

Eighteen Sound 12NTLW3500 8Ω SPL

Eighteen Sound 12NTLW3500 8Ω Dimensions

Export this driver to a simulation software:

Closed Box Simulator·

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