Fi Car Audio BL18v3.1 D1

Name: BL18v3.1 D1
Brand: Fi Car Audio

2x1Ω

2x2Ω

Subwoofer

18″ / 470 mm

Nominal diameter

34 Hz

Resonance

0.4

Q factor

93 dB

Sensitivity

± 20 mm

Linear excursion

3500 W

Program Power

Sensitivity (1W, 1m, infinite baffle)

SPL_1W

92.8

Thiele & Small parameters

Resonance frequency (free air)

f_S

33.6

Mechanical quality factor

Q_MS

8.21

Electrical quality factor

Q_ES

0.42

Total quality factor

Q_TS

0.40

Large signal parameters

Maximum linear excursion

x_max

20.0

Air volume displaced at x_max

V_D

2420

cm³

Power handling

1750

Program power

P_max

3500

Voice Coil

Nominal impedance

2 x 1

DC resistance (in series)

R_E

1.4

Inductance (1kHz, in series, estimated)

L_E

0.68

Magnet

Force factor (in series)

15.5

N/A

Motor constant

Bl/√R_E

13.1

N/√W

Diaphragm

Effective diameter

393

Effective area

S_D

1210

cm²

Moving mass

M_MS

338

Moving mass (without air load)

M_MD

308.2

Suspensions

Stiffness

K_MS

14.31

N/mm

Compliance

C_MS

µm/N

Equivalent volume to the compliance

V_AS

136

Mechanical resistance

R_MS

8.69

N·s/m

Dimensions

Nominal diameter

″

470

Overall diameter

470

Baffle cutout diameter

425

Mounting depth

248

Volume occupied by the driver

7.36

Export this driver to a simulation software:

Similar subwoofers to Fi Car Audio BL18v3.1 D1

Fi Car Audio BL18v3.1 D22 x 2 Ω

18″Subwoofer

f_S

34 Hz

S_D

1210 cm²

Q_TS

0.40

x_max

20.0 mm

SPL_1W

93 dB

Bl/√R_E

P_max

3500 W

Eighteen Sound 18NLW4100 8Ω8 Ω

18″Subwoofer

f_S

31 Hz

S_D

1225 cm²

30 - 800 Hz

Q_TS

0.34

x_max

15.0 mm

SPL_1W

93 dB

Bl/√R_E

P_max

3000 W

Fi Car Audio SP3 18 D12 x 1 Ω

18″Subwoofer

f_S

32 Hz

S_D

1210 cm²

Q_TS

0.41

x_max

34.0 mm

SPL_1W

92 dB

Bl/√R_E

P_max

5000 W