Goldwood GW-8PC/4

Name: Goldwood GW-8PC/4
Brand: Goldwood

4Ω

8Ω

Subwoofer

8″ / 203 mm

Nominal diameter

44 Hz

Resonance

0.45

Q factor

88 dB

Sensitivity

± 4.5 mm

Linear excursion

330 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 87.6; dB
Frequency response: 25 - 2800; Hz
Resonance frequency (free air)
f_S: 44.2; Hz
Mechanical quality factor
Q_MS: 5.98
Electrical quality factor
Q_ES: 0.49
Total quality factor
Q_TS: 0.45
Maximum linear excursion
x_max: 4.5; mm
Air volume displaced at x_max
V_D: 93; cm³
Power handling
P: 165; W
Program power
P_max: 330; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.7; Ω
Inductance (1kHz)
L_E: 1.2; mH
VC Diameter: 38; mm
Winding material: Aluminum
Force factor
Bl: 8.73; N/A
Motor constant
Bl/√R_E: 4.54; N/√W
Weight: 0.85; kg
Effective diameter: 162; mm
Effective area
S_D: 206; cm²
Moving mass
M_MS: 36.3; g
Moving mass (without air load)
M_MD: 34.1; g
Material: Poly-Mica
Stiffness
K_MS: 2.8; N/mm
Compliance
C_MS: 357; µm/N
Equivalent volume to the compliance
V_AS: 21.3; L
Mechanical resistance
R_MS: 1.69; N·s/m
Surround material: Rubber
Nominal diameter: 8; ″
: 203; mm
Overall diameter: 203; mm
Baffle cutout diameter: 181; mm
Mounting depth: 94; mm
Volume occupied by the driver (estimated): 0.68; L
Net weight: 1.674; kg
Frame material: Die Cast Aluminum

Datasheet

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Goldwood GW-8PC/4

Subwoofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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