Dayton Audio Signature SIG120-4

Name: SIG120-4
Brand: Dayton Audio

Woofer

5″ / 123 mm

Nominal diameter

75 Hz

Resonance

0.43

Q factor

86 dB

Sensitivity

± 4 mm

Linear excursion

80 W

Program Power

Sensitivity (1w, 1m, infinite baffle)

SPL_1W

86.1

Frequency response

75 - 8500

Thiele & Small parameters

Resonance frequency (free air)

f_S

74.6

Mechanical quality factor

Q_MS

4.84

Electrical quality factor

Q_ES

0.47

Total quality factor

Q_TS

0.43

Large signal parameters

Maximum linear excursion

x_max

4.0

Air volume displaced at x_max

V_D

cm³

Power handling

Program power

P_max

Voice Coil

Nominal impedance

DC resistance

R_E

3.7

Inductance (1kHz)

L_E

0.22

VC Diameter

Winding material

Copper

Former material

Glass fiber

Magnet

Force factor

5.0

N/A

Motor constant

Bl/√R_E

2.6

N/√W

Material

Ferrite

Diaphragm

Effective diameter

Effective area

S_D

cm²

Moving mass

M_MS

6.7

Moving mass (without air load)

M_MD

6.4

Material

Aluminum

Suspensions

Stiffness

K_MS

1.47

N/mm

Compliance

C_MS

680

µm/N

Equivalent volume to the compliance

V_AS

3.1

Mechanical resistance

R_MS

0.65

N·s/m

Surround material

Rubber

Dimensions

Nominal diameter

″

123

Overall diameter

123

Baffle cutout diameter

Overall depth

Volume occupied by the driver (estimated)

0.2

Frame material

Cast Aluminium

Datasheet

Export this driver to a simulation software:

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Wavecor MR120BD014 Ω

4.75″Mid-range

f_S

70 Hz

S_D

50 cm²

200 - 4000 Hz

Q_TS

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x_max

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SPL_1W

86 dB

Bl/√R_E

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Morel HYBRID MW 44 Ω

4″Woofer

f_S

82 Hz

S_D

64 cm²

50 - 4200 Hz

Q_TS

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x_max

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SPL_1W

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Bl/√R_E

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P_max

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Tang Band W4-1757SB6 Ω

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f_S

75 Hz

S_D

57 cm²

75 - 20000 Hz

Q_TS

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x_max

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SPL_1W

87 dB

Bl/√R_E

1.91

P_max

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