Acoustic Elegance TD12M-4

Name: TD12M-4
Brand: Acoustic Elegance

4Ω

8Ω

Subwoofer

12″ / 305 mm

Nominal diameter

38 Hz

Resonance

0.25

Q factor

97 dB

Sensitivity

± 6 mm

Linear excursion

1000 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

97.1

Frequency response

35 - 2000

Thiele & Small parameters

Resonance frequency (free air)

f_S

38.1

Mechanical quality factor

Q_MS

2.99

Electrical quality factor

Q_ES

0.29

Total quality factor

Q_TS

0.25

Large signal parameters

Maximum linear excursion

x_max

6.0

Maximum excursion before damage

x_lim

10.0

Air volume displaced at x_max

V_D

319

cm³

Power handling

500

Program power

P_max

1000

Voice Coil

Nominal impedance

DC resistance

R_E

3.2

Inductance (1kHz)

L_E

0.2

Magnet

Force factor

11.91

N/A

Motor constant

Bl/√R_E

6.66

N/√W

Diaphragm

Effective diameter

260

Effective area

S_D

531

cm²

Moving mass

M_MS

Moving mass (without air load)

M_MD

41.5

Suspensions

Stiffness

K_MS

2.86

N/mm

Compliance

C_MS

350

µm/N

Equivalent volume to the compliance

V_AS

140

Mechanical resistance

R_MS

4.0

N·s/m

Dimensions

Nominal diameter

″

305

Volume occupied by the driver (estimated)

2.4

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f_S

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S_D

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S_D

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