Audes 75W87-8

Name: 75W87-8
Brand: Audes

4Ω

8Ω

Woofer

8″ / 203 mm

Nominal diameter

36 Hz

Resonance

0.31

Q factor

88 dB

Sensitivity

± 4.5 mm

Linear excursion

200 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

88.1

Frequency response

40 - 1000

Thiele & Small parameters

Resonance frequency (free air)

f_S

36.0

Mechanical quality factor

Q_MS

1.99

Electrical quality factor

Q_ES

0.37

Total quality factor

Q_TS

0.31

Large signal parameters

Maximum linear excursion

x_max

4.5

Air volume displaced at x_max

V_D

cm³

Power handling

130

Program power

P_max

200

Voice Coil

Nominal impedance

DC resistance

R_E

6.4

Inductance (1kHz)

L_E

1.1

VC Diameter

Winding height

H_VC

Magnet

Force factor

11.1

N/A

Motor constant

Bl/√R_E

4.39

N/√W

Air gap height

H_AG

Weight

1.36

Diaphragm

Effective diameter

163

Effective area

S_D

209

cm²

Moving mass

M_MS

32.2

Moving mass (without air load)

M_MD

Suspensions

Stiffness

K_MS

1.61

N/mm

Compliance

C_MS

620

µm/N

Equivalent volume to the compliance

V_AS

38.2

Mechanical resistance

R_MS

3.64

N·s/m

Dimensions

Nominal diameter

″

203

Volume occupied by the driver (estimated)

1.4

Net weight

3.2

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f_S

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S_D

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Q_TS

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S_D

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S_D

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