Eighteen Sound 12NTLW2500 8Ω

8Ω

Subwoofer

Nominal diameter	12″ / 310 mm
Resonance	60 Hz
Q factor	0.38
Sensitivity	96 dB
Linear excursion	± 7.6 mm
Program Power	1000 W

Eighteen Sound 12NTLW2500 8Ω Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 96dB
Frequency response 55 - 4500Hz

Thiele & Small parameters

Resonance frequency (free air) fS 60Hz
Mechanical quality factor QMS 8.40
Electrical quality factor QES 0.39
Total quality factor QTS 0.38

Large signal parameters

Maximum linear excursion xmax 7.6mm
Air volume displaced at xmax VD 404cm³
Power handling P 500W
Program power Pmax 1000W

Voice Coil

Nominal impedance Z 8Ω
DC resistance RE 5.0Ω
Inductance (1kHz) LE 0.44mH
VC Diameter 64mm
Winding height HVC 19.7mm

Magnet

Force factor Bl 17.4N/A
Motor constant Bl/√RE 7.78N/√W
Air gap height HAG 9mm

Diaphragm

Effective diameter 260mm
Effective area SD 531cm²
Moving mass MMS 62g
Moving mass (without air load) MMD 53.4g

Suspensions

Stiffness KMS 8.93N/mm
Compliance CMS 112µm/N
Equivalent volume to the compliance VAS 45L
Mechanical resistance RMS 2.78N·s/m

Dimensions

Nominal diameter 12″
310mm
Overall diameter 310mm
Baffle cutout diameter 283mm
Overall depth 175mm
Flange thickness 13mm
Mounting depth 162mm
Volume occupied by the driver (estimated) 2.2L
Net weight 3.6kg

Eighteen Sound 12NTLW2500 8Ω SPL

Eighteen Sound 12NTLW2500 8Ω Dimensions

Export this driver to a simulation software:

Closed Box Simulator·

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