Kartesian Mid120_vHE

Name: Mid120_vHE
Brand: Kartesian

Mid-range

4.5″ / 120 mm

Nominal diameter

104 Hz

Resonance

0.41

Q factor

90 dB

Sensitivity

± 2 mm

Linear excursion

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

90.0

Frequency response

180 - 3000

Thiele & Small parameters

Resonance frequency (free air)

f_S

104

Mechanical quality factor

Q_MS

2.30

Electrical quality factor

Q_ES

0.50

Total quality factor

Q_TS

0.41

Large signal parameters

Maximum linear excursion

x_max

2.0

Air volume displaced at x_max

V_D

cm³

Voice Coil

Nominal impedance

DC resistance

R_E

5.6

Inductance (1kHz)

L_E

0.09

Magnet

Force factor

5.12

N/A

Motor constant

Bl/√R_E

2.16

N/√W

Diaphragm

Effective diameter

Effective area

S_D

cm²

Moving mass

M_MS

3.6

Moving mass (without air load)

M_MD

3.3

Suspensions

Stiffness

K_MS

1.54

N/mm

Compliance

C_MS

651

µm/N

Equivalent volume to the compliance

V_AS

2.8

Mechanical resistance

R_MS

1.02

N·s/m

Dimensions

Nominal diameter

4.5

″

120

Overall diameter

120

Baffle cutout diameter

Overall depth

Flange thickness

Mounting depth

Volume occupied by the driver (estimated)

0.14

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