Goldwood GW-1248

Name: Goldwood GW-1248
Brand: Goldwood

Woofer

12″ / 305 mm

Nominal diameter

33 Hz

Resonance

1.0

Q factor

87 dB

Sensitivity

± 3 mm

Linear excursion

290 W

Program Power

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Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 87.0; dB
Frequency response: 18 - 4500; Hz
Resonance frequency (free air)
f_S: 33.3; Hz
Mechanical quality factor
Q_MS: 3.30
Electrical quality factor
Q_ES: 1.30
Total quality factor
Q_TS: 1.00
Maximum linear excursion
x_max: 3.0; mm
Air volume displaced at x_max
V_D: 158; cm³
Power handling
P: 150; W
Program power
P_max: 290; W
Nominal impedance
Z: 8; Ω
DC resistance
R_E: 7.1; Ω
Inductance (1kHz)
L_E: 0.6; mH
VC Diameter: 51; mm
Winding material: Aluminum
Force factor
Bl: 10.0; N/A
Motor constant
Bl/√R_E: 3.75; N/√W
Weight: 1.134; kg
Effective diameter: 259; mm
Effective area
S_D: 526; cm²
Moving mass
M_MS: 88.2; g
Moving mass (without air load)
M_MD: 79.8; g
Material: Poly-Mica
Stiffness
K_MS: 3.85; N/mm
Compliance
C_MS: 260; µm/N
Equivalent volume to the compliance
V_AS: 104; L
Mechanical resistance
R_MS: 5.59; N·s/m
Surround material: Butyl Rubber
Nominal diameter: 12; ″
: 305; mm
Overall diameter: 305; mm
Baffle cutout diameter: 286; mm
Mounting depth: 123; mm
Volume occupied by the driver (estimated): 0.91; L
Net weight: 2.189; kg
Frame material: Stamped Steel

Datasheet

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Goldwood GW-1248

Woofer

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Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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