Goldwood GW-215/40/8
Woofer
15″ / 381 mm
Nominal diameter
31 Hz
Resonance
1.09
Q factor
93 dB
Sensitivity
± 3.5 mm
Linear excursion
300 W
Program Power
- Parts Express
- $$
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.7
- dB
- Frequency response
- 20 - 2500
- Hz
- Resonance frequency (free air)
- fS
- 30.5
- Hz
- Mechanical quality factor
- QMS
- 5.15
- Electrical quality factor
- QES
- 1.38
- Total quality factor
- QTS
- 1.09
- Maximum linear excursion
- xmax
- 3.5
- mm
- Air volume displaced at xmax
- VD
- 288
- cm³
- Power handling
- P
- 150
- W
- Program power
- Pmax
- 300
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 7.2
- Ω
- Inductance (1kHz)
- LE
- 0.84
- mH
- VC Diameter
- 38
- mm
- Winding material
- Aluminum
- Force factor
- Bl
- 9.93
- N/A
- Motor constant
- Bl/√RE
- 3.71
- N/√W
- Weight
- 1.134
- kg
- Effective diameter
- 324
- mm
- Effective area
- SD
- 823
- cm²
- Moving mass
- MMS
- 68
- g
- Moving mass (without air load)
- MMD
- 51.5
- g
- Material
- Poly
- Stiffness
- KMS
- 3.65
- N/mm
- Compliance
- CMS
- 274
- µm/N
- Equivalent volume to the compliance
- VAS
- 261
- L
- Mechanical resistance
- RMS
- 2.53
- N·s/m
- Surround material
- Rolled Foam
- Nominal diameter
- 15
- ″
- 381
- mm
- Overall diameter
- 381
- mm
- Baffle cutout diameter
- 356
- mm
- Mounting depth
- 137
- mm
- Volume occupied by the driver (estimated)
- 1.0
- L
- Net weight
- 2.438
- kg
- Frame material
- Stamped Steel