Woofer
7″ / 178 mm
Nominal diameter
29 Hz
Resonance
0.31
Q factor
86 dB
Sensitivity
± 5.5 mm
Linear excursion
160 W
Program Power
![Wavecor WF182BD09/11 Woofer](/Wavecor/WF182BD09/Wavecor_WF182BD09_(Photo_1).png)
![Wavecor WF182BD09/11 Woofer](/Wavecor/WF182BD09/Wavecor_WF182BD09_(Photo_2).png)
![Wavecor WF182BD09/11 Woofer](/Wavecor/WF182BD09/Wavecor_WF182BD09_(Photo_3).png)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.6
- dB
- Frequency response
- 28 - 2500
- Hz
- Resonance frequency (free air)
- fS
- 28.5
- Hz
- Mechanical quality factor
- QMS
- 9.10
- Electrical quality factor
- QES
- 0.32
- Total quality factor
- QTS
- 0.31
- Maximum linear excursion
- xmax
- 5.5
- mm
- Air volume displaced at xmax
- VD
- 72
- cm³
- Power handling
- P
- 80
- W
- Program power
- Pmax
- 160
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.2
- Ω
- Inductance (1kHz)
- LE
- 0.1
- mH
- VC Diameter
- 39
- mm
- Winding height
- HVC
- 16
- mm
- Force factor
- Bl
- 6.5
- N/A
- Motor constant
- Bl/√RE
- 3.63
- N/√W
- Air gap height
- HAG
- 5
- mm
- Weight
- 0.725
- kg
- Effective diameter
- 129
- mm
- Effective area
- SD
- 131
- cm²
- Moving mass
- MMS
- 23.4
- g
- Moving mass (without air load)
- MMD
- 22.2
- g
- Stiffness
- KMS
- 0.75
- N/mm
- Compliance
- CMS
- 1330
- µm/N
- Equivalent volume to the compliance
- VAS
- 32.4
- L
- Mechanical resistance
- RMS
- 0.46
- N·s/m
- Nominal diameter
- 7
- ″
- 178
- mm
- Volume occupied by the driver (estimated)
- 0.8
- L
- Net weight
- 1.95
- kg
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Wavecor WF182BD09/11 SPL & Impedance](/Wavecor/WF182BD09/Wavecor_WF182BD09_(Frequency_response_+_Impedance).png)
![Wavecor WF182BD09/11 Dimensions](/Wavecor/WF182BD09/Wavecor_WF182BD09_(Dimensions).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)