Wavecor WF120BD03/07

Name: WF120BD03/07
Brand: Wavecor

4Ω GF

4Ω P 8Ω GF 8Ω P

Mid-range

4.75″ / 121 mm

Nominal diameter

70 Hz

Resonance

0.37

Q factor

86 dB

Sensitivity

100 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

85.7

Frequency response

70 - 4000

Thiele & Small parameters

Resonance frequency (free air)

f_S

70.0

Mechanical quality factor

Q_MS

6.00

Electrical quality factor

Q_ES

0.40

Total quality factor

Q_TS

0.37

Large signal parameters

Power handling

Program power

P_max

100

Voice Coil

Nominal impedance

DC resistance

R_E

3.2

Inductance (1kHz)

L_E

0.09

VC Diameter

Winding height

H_VC

Magnet

Force factor

4.5

N/A

Motor constant

Bl/√R_E

2.52

N/√W

Air gap height

H_AG

Weight

0.43

Diaphragm

Effective diameter

Effective area

S_D

cm²

Moving mass

M_MS

6.6

Moving mass (without air load)

M_MD

6.2

Suspensions

Stiffness

K_MS

0.97

N/mm

Compliance

C_MS

1030

µm/N

Equivalent volume to the compliance

V_AS

4.25

Mechanical resistance

R_MS

0.42

N·s/m

Dimensions

Nominal diameter

4.75

″

121

Volume occupied by the driver (estimated)

0.41

Net weight

1.04

Datasheet

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