Fi Car Audio BL-NEO 18 D2

2x1Ω
2x2Ω

Subwoofer

Nominal diameter18″ / 470 mm
Resonance32.9 Hz
Q factor0.34
Sensitivity92.7 dB
Linear excursion± 24 mm
Program Power3500 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 92.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 32.9Hz
  • Mechanical quality factor QMS 7.01
  • Electrical quality factor QES 0.36
  • Total quality factor QTS 0.34

Large signal parameters

  • Maximum linear excursion xmax 24mm
  • Air volume displaced at xmax VD 2904cm³
  • Power handling P 1750W
  • Program power Pmax 3500W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 2.8Ω
  • Inductance (1kHz, in series, estimated) LE 3.19mH

Magnet

  • Force factor (in series) Bl 24.4N/A
  • Motor constant Bl/√RE 14.6N/√W

Diaphragm

  • Effective diameter 393mm
  • Effective area SD 1210cm²
  • Moving mass MMS 371g
  • Moving mass (without air load) MMD 341g

Suspensions

  • Stiffness KMS 15.9N/mm
  • Compliance CMS 63µm/N
  • Equivalent volume to the compliance VAS 129L
  • Mechanical resistance RMS 10.9N·s/m

Dimensions

  • Nominal diameter 18
  • 470mm
  • Overall diameter 470mm
  • Baffle cutout diameter 425mm
  • Mounting depth 248mm
  • Volume occupied by the driver 7.36L


Similar subwoofers to Fi Car Audio BL-NEO 18 D2

Fi Car Audio BTL3 18 D1 Subwoofer

Fi Car Audio BTL3 18 D1

2 x 1 Ω
18 Subwoofer
fS32.4 Hz
SD1210 cm²
QTS0.34
xmax34 mm
SPL1W92.6 dB
Bl/√RE14.9
Pmax5000 W