Goldwood GW-S525/4

Name: Goldwood GW-S525/4
Brand: Goldwood

4Ω

8Ω

Woofer

5.25″ / 145 mm

Nominal diameter

73 Hz

Resonance

0.88

Q factor

84 dB

Sensitivity

± 2 mm

Linear excursion

130 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 84.2; dB
Frequency response: 40 - 6000; Hz
Resonance frequency (free air)
f_S: 72.9; Hz
Mechanical quality factor
Q_MS: 3.79
Electrical quality factor
Q_ES: 1.15
Total quality factor
Q_TS: 0.88
Maximum linear excursion
x_max: 2.0; mm
Air volume displaced at x_max
V_D: 17; cm³
Power handling
P: 70; W
Program power
P_max: 130; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.6; Ω
Inductance (1kHz)
L_E: 0.3; mH
VC Diameter: 25; mm
Winding material: Aluminum
Force factor
Bl: 3.9; N/A
Motor constant
Bl/√R_E: 2.05; N/√W
Weight: 0.425; kg
Effective diameter: 102; mm
Effective area
S_D: 82; cm²
Moving mass
M_MS: 10.5; g
Moving mass (without air load)
M_MD: 9.9; g
Material: Poly
Stiffness
K_MS: 2.22; N/mm
Compliance
C_MS: 451; µm/N
Equivalent volume to the compliance
V_AS: 4.3; L
Mechanical resistance
R_MS: 1.27; N·s/m
Surround material: Rubber
Nominal diameter: 5.25; ″
: 145; mm
Overall diameter: 145; mm
Baffle cutout diameter: 113; mm
Mounting depth: 57; mm
Volume occupied by the driver (estimated): 0.4; L
Net weight: 1.021; kg
Frame material: Stamped Steel

Datasheet

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Goldwood GW-S525/4

Woofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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