Goldwood GW-1558

8Ω

Subwoofer

Nominal diameter	15″ / 391 mm
Resonance	31 Hz
Q factor	0.63
Sensitivity	96.1 dB
Linear excursion	± 2 mm
Program Power	300 W

Goldwood GW-1558 Subwoofer

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 96.1dB
Frequency response 28 - 4400Hz

Thiele & Small parameters

Resonance frequency (free air) fS 31Hz
Mechanical quality factor QMS 3.70
Electrical quality factor QES 0.76
Total quality factor QTS 0.63

Large signal parameters

Maximum linear excursion (one way) xmax 2mm
Air volume displaced at xmax VD 175cm³
Power handling P 200W
Program power Pmax 300W

Voice Coil

Nominal impedance Z 8Ω
DC resistance RE 5.3Ω
Inductance (1kHz) LE 0.103mH
VC Diameter 63.5mm
Winding material Aluminum

Magnet

Force factor Bl 9.8N/A
Motor constant Bl/√RE 4.26N/√W
Weight 1.417kg

Diaphragm

Effective diameter 333mm
Effective area SD 873cm²
Moving mass MMS 70.5g
Moving mass (without air load) MMD 52.6g
Material Polymer

Suspensions

Stiffness KMS 2.68N/mm
Compliance CMS 374µm/N
Equivalent volume to the compliance VAS 400L
Mechanical resistance RMS 3.71N·s/m

Dimensions

Nominal diameter 15″
391mm
Overall diameter 391mm
Baffle cutout diameter 356mm
Mounting depth 159mm
Volume occupied by the driver (estimated) 1.2L
Net weight 2.835kg
Frame material Stamped Steel

Goldwood GW-1558 SPL & Impedance

Export this driver to a simulation software:

Closed Box Simulator·

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