Goldwood GW-215/4
4Ω
8ΩWoofer
15″ / 381 mm
Nominal diameter
30 Hz
Resonance
1.86
Q factor
92 dB
Sensitivity
± 3.5 mm
Linear excursion
250 W
Program Power
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- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.9
- dB
- Frequency response
- 22 - 3000
- Hz
- Resonance frequency (free air)
- fS
- 29.6
- Hz
- Mechanical quality factor
- QMS
- 7.89
- Electrical quality factor
- QES
- 2.44
- Total quality factor
- QTS
- 1.86
- Maximum linear excursion
- xmax
- 3.5
- mm
- Air volume displaced at xmax
- VD
- 288
- cm³
- Power handling
- P
- 135
- W
- Program power
- Pmax
- 250
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.6
- Ω
- Inductance (1kHz)
- LE
- 0.4
- mH
- VC Diameter
- 38
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 5.08
- N/A
- Motor constant
- Bl/√RE
- 2.67
- N/√W
- Weight
- 0.567
- kg
- Effective diameter
- 324
- mm
- Effective area
- SD
- 823
- cm²
- Moving mass
- MMS
- 94.4
- g
- Moving mass (without air load)
- MMD
- 77.9
- g
- Material
- Poly
- Stiffness
- KMS
- 3.27
- N/mm
- Compliance
- CMS
- 306
- µm/N
- Equivalent volume to the compliance
- VAS
- 292
- L
- Mechanical resistance
- RMS
- 2.23
- N·s/m
- Surround material
- Rolled Foam
- Nominal diameter
- 15
- ″
- 381
- mm
- Overall diameter
- 381
- mm
- Baffle cutout diameter
- 356
- mm
- Mounting depth
- 130
- mm
- Volume occupied by the driver (estimated)
- 0.96
- L
- Net weight
- 2.325
- kg
- Frame material
- Stamped Steel
Available on (affiliate link)
Specifications
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
Speakerbench.jpg.webp)