Rockford Fosgate T3-BMW-SUB

Name: T3-BMW-SUB
Brand: Rockford Fosgate

Subwoofer

8″ / 203 mm

Nominal diameter

38 Hz

Resonance

0.49

Q factor

87 dB

Sensitivity

± 7 mm

Linear excursion

300 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

87.0

Thiele & Small parameters

Resonance frequency (free air)

f_S

38.0

Mechanical quality factor

Q_MS

2.26

Electrical quality factor

Q_ES

0.63

Total quality factor

Q_TS

0.49

Large signal parameters

Maximum linear excursion

x_max

7.0

Air volume displaced at x_max

V_D

170

cm³

Power handling

150

Program power

P_max

300

Voice Coil

Nominal impedance

DC resistance

R_E

3.7

Inductance (1kHz)

L_E

0.61

VC Diameter

Magnet

Force factor

7.1

N/A

Motor constant

Bl/√R_E

3.69

N/√W

Diaphragm

Effective diameter

176

Effective area

S_D

243

cm²

Moving mass

M_MS

36.2

Moving mass (without air load)

M_MD

33.6

Suspensions

Stiffness

K_MS

2.06

N/mm

Compliance

C_MS

485

µm/N

Equivalent volume to the compliance

V_AS

40.6

Mechanical resistance

R_MS

3.82

N·s/m

Dimensions

Nominal diameter

″

203

Baffle cutout diameter

195

Mounting depth

Volume occupied by the driver (estimated)

0.85

Datasheet

Export this driver to a simulation software:

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