accuton AS168-9-470

Name: AS168-9-470
Brand: accuton

Woofer

7″ / 168 mm

Nominal diameter

27 Hz

Resonance

0.35

Q factor

84 dB

Sensitivity

± 8 mm

Linear excursion

500 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

84.4

Thiele & Small parameters

Resonance frequency (free air)

f_S

27.0

Mechanical quality factor

Q_MS

4.35

Electrical quality factor

Q_ES

0.38

Total quality factor

Q_TS

0.35

Large signal parameters

Maximum linear excursion

x_max

8.0

Air volume displaced at x_max

V_D

129

cm³

Power handling

250

Program power

P_max

500

Voice Coil

Nominal impedance

DC resistance

R_E

9.0

Inductance (1kHz)

L_E

1.0

VC Diameter

Winding material

Copper Clad Aluminium

Former material

Titanium

Magnet

Force factor

12.1

N/A

Motor constant

Bl/√R_E

4.03

N/√W

Diameter

135

Height

Diaphragm

Effective diameter

143

Effective area

S_D

161

cm²

Moving mass

M_MS

Moving mass (without air load)

M_MD

34.6

Material

Aluminium-Sandwich

Suspensions

Stiffness

K_MS

1.03

N/mm

Compliance

C_MS

970

µm/N

Equivalent volume to the compliance

V_AS

35.5

Mechanical resistance

R_MS

1.4

N·s/m

Dimensions

Nominal diameter

″

168

Overall diameter

168

Baffle cutout diameter

148

Overall depth

118

Flange thickness

Mounting depth

102

Volume occupied by the driver (estimated)

0.82

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