VISATON FR 9.15 - 4 Ohm

Name: FR 9.15 - 4 Ohm
Brand: VISATON

Full-range

4x6″/ 90x150 mm

Nominal size

120 Hz

Resonance

1.82

Q factor

91 dB

Sensitivity

± 1 mm

Linear excursion

30 W

Program Power

Sensitivity (1W, 1m, infinite baffle)

SPL_1W

91.4

Frequency response

75 - 16000

Thiele & Small parameters

Resonance frequency (free air)

f_S

120

Mechanical quality factor

Q_MS

8.90

Electrical quality factor

Q_ES

2.29

Total quality factor

Q_TS

1.82

Large signal parameters

Maximum linear excursion

x_max

1.0

Maximum excursion before damage

x_lim

1.5

Air volume displaced at x_max

V_D

7.9

cm³

Power handling

Program power

P_max

Voice Coil

Nominal impedance

DC resistance

R_E

3.5

Inductance (1kHz)

L_E

0.3

VC Diameter

Winding height

H_VC

Magnet

Flux density

0.9

Force factor

2.3

N/A

Motor constant

Bl/√R_E

1.23

N/√W

Air gap height

H_AG

Diaphragm

Effective diameter

100

Effective area

S_D

cm²

Moving mass

M_MS

4.6

Moving mass (without air load)

M_MD

4.3

Suspensions

Stiffness

K_MS

3.05

N/mm

Compliance

C_MS

328

µm/N

Equivalent volume to the compliance

V_AS

2.9

Mechanical resistance

R_MS

0.39

N·s/m

Dimensions

Nominal size

4 x 6

″

90 x 150

Mounting baffle cutout

87 x 146

Volume occupied by the driver (estimated)

0.1

Net weight

0.277

Datasheet

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S_D

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