Hertz Mille ML 1800.3 LEGEND

Name: ML 1800.3 LEGEND
Brand: Hertz

Woofer

7″ / 180 mm

Nominal diameter

60 Hz

Resonance

0.5

Q factor

88 dB

Sensitivity

± 4 mm

Linear excursion

400 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

87.9

Frequency response

38 - 6000

Thiele & Small parameters

Resonance frequency (free air)

f_S

60.0

Mechanical quality factor

Q_MS

7.22

Electrical quality factor

Q_ES

0.53

Total quality factor

Q_TS

0.50

Large signal parameters

Maximum linear excursion

x_max

4.0

Maximum excursion before damage

x_lim

10.0

Air volume displaced at x_max

V_D

cm³

Power handling

200

Program power

P_max

400

Voice Coil

Nominal impedance

DC resistance

R_E

3.2

Inductance (1kHz)

L_E

0.35

VC Diameter

Magnet

Force factor

7.8

N/A

Motor constant

Bl/√R_E

4.36

N/√W

Diameter

Height

Material

Neodymium

Diaphragm

Effective diameter

149

Effective area

S_D

169

cm²

Moving mass

M_MS

27.5

Moving mass (without air load)

M_MD

25.9

Material

Pressed-pulp cone with cotton fibres

Suspensions

Stiffness

K_MS

3.33

N/mm

Compliance

C_MS

300

µm/N

Equivalent volume to the compliance

V_AS

12.2

Mechanical resistance

R_MS

1.44

N·s/m

Dimensions

Nominal diameter

″

180

Overall diameter

184

Baffle cutout diameter

160

Overall depth

Flange thickness

Mounting depth

Volume occupied by the driver (estimated)

0.62

Net weight

1.71

Datasheet

Export this driver to a simulation software:

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S_D

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S_D

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S_D

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SPL_1W

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Bl/√R_E

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