Fi Car Audio BTL-NEO12 D1

2x1Ω
2x2Ω

Subwoofer

Nominal diameter12″ / 318 mm
Resonance33.9 Hz
Q factor0.25
Sensitivity87.6 dB
Linear excursion± 34 mm
Program Power5000 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 87.6dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 33.9Hz
  • Mechanical quality factor QMS 6.15
  • Electrical quality factor QES 0.26
  • Total quality factor QTS 0.25

Large signal parameters

  • Maximum linear excursion xmax 34mm
  • Air volume displaced at xmax VD 1632cm³
  • Power handling P 2500W
  • Program power Pmax 5000W

Voice Coil

  • Nominal impedance Z 2 x 1Ω
  • DC resistance (in series) RE 1.8Ω
  • Inductance (1kHz, in series, estimated) LE 1.69mH

Magnet

  • Force factor (in series) Bl 20.1N/A
  • Motor constant Bl/√RE 15N/√W

Diaphragm

  • Effective diameter 247mm
  • Effective area SD 480cm²
  • Moving mass MMS 279g
  • Moving mass (without air load) MMD 271g

Suspensions

  • Stiffness KMS 12N/mm
  • Compliance CMS 83.3µm/N
  • Equivalent volume to the compliance VAS 24.9L
  • Mechanical resistance RMS 9.66N·s/m

Dimensions

  • Nominal diameter 12
  • 318mm
  • Overall diameter 318mm
  • Baffle cutout diameter 283mm
  • Mounting depth 286mm
  • Volume occupied by the driver 5.38L


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