Goldwood GW-4028/S
Woofer
4″ / 111 mm
Nominal diameter
83 Hz
Resonance
0.7
Q factor
83 dB
Sensitivity
± 1.8 mm
Linear excursion
70 W
Program Power
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- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 82.9
- dB
- Frequency response
- 70 - 10000
- Hz
- Resonance frequency (free air)
- fS
- 83.1
- Hz
- Mechanical quality factor
- QMS
- 2.40
- Electrical quality factor
- QES
- 1.00
- Total quality factor
- QTS
- 0.70
- Maximum linear excursion
- xmax
- 1.8
- mm
- Air volume displaced at xmax
- VD
- 8.9
- cm³
- Power handling
- P
- 40
- W
- Program power
- Pmax
- 70
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 7.1
- Ω
- Inductance (1kHz)
- LE
- 0.4
- mH
- VC Diameter
- 25
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 4.8
- N/A
- Motor constant
- Bl/√RE
- 1.8
- N/√W
- Weight
- 0.454
- kg
- Effective diameter
- 79
- mm
- Effective area
- SD
- 50
- cm²
- Moving mass
- MMS
- 6
- g
- Moving mass (without air load)
- MMD
- 5.7
- g
- Material
- Poly-Mica
- Stiffness
- KMS
- 1.65
- N/mm
- Compliance
- CMS
- 606
- µm/N
- Equivalent volume to the compliance
- VAS
- 2.1
- L
- Mechanical resistance
- RMS
- 1.31
- N·s/m
- Surround material
- Rubber
- Nominal diameter
- 4
- ″
- 111
- mm
- Overall diameter
- 111
- mm
- Baffle cutout diameter
- 102
- mm
- Mounting depth
- 70
- mm
- Volume occupied by the driver (estimated)
- 0.5
- L
- Net weight
- 1.247
- 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
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