Rockford Fosgate P2D4-12

Name: P2D4-12
Brand: Rockford Fosgate

2x2Ω

2x4Ω

Subwoofer

12″ / 305 mm

Nominal diameter

27 Hz

Resonance

0.54

Q factor

87 dB

Sensitivity

± 13.3 mm

Linear excursion

800 W

Program Power

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Specifications

Sensitivity (1W, 1m, infinite baffle)

SPL_1W

86.6

Thiele & Small parameters

Resonance frequency (free air)

f_S

27.2

Mechanical quality factor

Q_MS

6.30

Electrical quality factor

Q_ES

0.59

Total quality factor

Q_TS

0.54

Large signal parameters

Maximum linear excursion

x_max

13.3

Air volume displaced at x_max

V_D

758

cm³

Power handling

400

Program power

P_max

800

Voice Coil

Nominal impedance

2 x 4

DC resistance (in series)

R_E

6.4

Inductance (1kHz, in series)

L_E

5.5

VC Diameter

Magnet

Force factor (in series)

18.9

N/A

Motor constant

Bl/√R_E

7.47

N/√W

Weight

2.06

Diaphragm

Effective diameter

269

Effective area

S_D

570

cm²

Moving mass

M_MS

193.4

Moving mass (without air load)

M_MD

184.3

Suspensions

Stiffness

K_MS

5.65

N/mm

Compliance

C_MS

177

µm/N

Equivalent volume to the compliance

V_AS

81.5

Mechanical resistance

R_MS

5.25

N·s/m

Dimensions

Nominal diameter

″

305

Baffle cutout diameter

285

Mounting depth

162

Volume occupied by the driver

2.41

Datasheet

Export this driver to a simulation software:

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f_S

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S_D

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Bl/√R_E

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