Goldwood GW-212/4
4Ω
8ΩWoofer
12″ / 305 mm
Nominal diameter
36 Hz
Resonance
1.2
Q factor
91 dB
Sensitivity
± 2.5 mm
Linear excursion
240 W
Program Power
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- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 90.8
- dB
- Frequency response
- 28 - 4000
- Hz
- Resonance frequency (free air)
- fS
- 35.8
- Hz
- Mechanical quality factor
- QMS
- 6.07
- Electrical quality factor
- QES
- 1.50
- Total quality factor
- QTS
- 1.20
- Maximum linear excursion
- xmax
- 2.5
- mm
- Air volume displaced at xmax
- VD
- 130
- cm³
- Power handling
- P
- 120
- W
- Program power
- Pmax
- 240
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.6
- Ω
- Inductance (1kHz)
- LE
- 0.5
- mH
- VC Diameter
- 38
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 4.94
- N/A
- Motor constant
- Bl/√RE
- 2.6
- N/√W
- Weight
- 0.567
- kg
- Effective diameter
- 257
- mm
- Effective area
- SD
- 519
- cm²
- Moving mass
- MMS
- 45
- g
- Moving mass (without air load)
- MMD
- 36.7
- g
- Material
- Poly
- Stiffness
- KMS
- 2.28
- N/mm
- Compliance
- CMS
- 440
- µm/N
- Equivalent volume to the compliance
- VAS
- 167
- L
- Mechanical resistance
- RMS
- 1.67
- N·s/m
- Surround material
- Rolled Foam
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 305
- mm
- Baffle cutout diameter
- 286
- mm
- Mounting depth
- 121
- mm
- Volume occupied by the driver (estimated)
- 0.89
- L
- Net weight
- 2.155
- 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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