Goldwood GW-215/40/8

Name: Goldwood GW-215/40/8
Brand: Goldwood

Woofer

15″ / 381 mm

Nominal diameter

31 Hz

Resonance

1.09

Q factor

93 dB

Sensitivity

± 3.5 mm

Linear excursion

300 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 92.7; dB
Frequency response: 20 - 2500; Hz
Resonance frequency (free air)
f_S: 30.5; Hz
Mechanical quality factor
Q_MS: 5.15
Electrical quality factor
Q_ES: 1.38
Total quality factor
Q_TS: 1.09
Maximum linear excursion
x_max: 3.5; mm
Air volume displaced at x_max
V_D: 288; cm³
Power handling
P: 150; W
Program power
P_max: 300; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 7.2; Ω
Inductance (1kHz)
L_E: 0.84; mH
VC Diameter: 38; mm
Winding material: Aluminum
Force factor
Bl: 9.93; N/A
Motor constant
Bl/√R_E: 3.71; N/√W
Weight: 1.134; kg
Effective diameter: 324; mm
Effective area
S_D: 823; cm²
Moving mass
M_MS: 68; g
Moving mass (without air load)
M_MD: 51.5; g
Material: Poly
Stiffness
K_MS: 3.65; N/mm
Compliance
C_MS: 274; µm/N
Equivalent volume to the compliance
V_AS: 261; L
Mechanical resistance
R_MS: 2.53; N·s/m
Surround material: Rolled Foam
Nominal diameter: 15; ″
: 381; mm
Overall diameter: 381; mm
Baffle cutout diameter: 356; mm
Mounting depth: 137; mm
Volume occupied by the driver (estimated): 1.0; L
Net weight: 2.438; kg
Frame material: Stamped Steel

Datasheet

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Goldwood GW-215/40/8

Woofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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